Answers
Answer:
The consequences of soil erosion go beyond the loss of fertile land. It has contributed to increased runoff and sedimentation in streams and rivers, clogging these waters and causing declines in fish and other animals.
We can protect the community from soil erosion by -:
Maintaining a good, perennial cover for plants. From mulching. Planting a crop for coverExplanation:
SOIL EROSION -: The soil erosion mechanism is both natural and man-made. In nature, this refers to the removal of the top layer of soil caused by wind and water, while human activity may increase exposure to these elements.
MAJOR EFFECTS OF SOIL EROSION -:
Pollution and Low Water Quality -: Sedimentation is created by gradual soil erosion, a process by which rocks and minerals in the soil are separated from the soil and deposited elsewhere, often in streams and rivers. Soil contaminants, such as fertilizers and pest control agents, often settle in the streams and rivers to protect crops. Water contaminants contribute to low water quality, including drinking water quality, if the contaminants are not removed prior to ingestion. As sunlight can get through the sediment, sedimentation also leads to the excessive growth of algae. According to the World Wildlife Fund, high levels of algae drain too much oxygen from the water, resulting in the mortality of marine species and reduced fish stocks.Structural Issues and Mudslides -: Soil erosion contributes to mudslides, impacting the stability of buildings and roadways and their structural integrity. Mudslides affect not only soil-supported structures, but also buildings and roads that are in the path of slides. Mudslides occur when, as a result of the intensity and energy of heavy rainfall, fine sand , clay, silt, organic matter and soil spill off the sides of hills and slopes. According to Envirothon, a program of the National Conservation Foundation and North America's largest high school environmental education competition, this runoff happens rapidly, because there is not enough time for the surface to reabsorb or catch the eroding soil.Flooding and Deforestation -: Deforestation erodes soil — the removal of trees to create space for towns and agriculture. Trees help to maintain soil in place, so winds and rains drive the loose soil and rocks to streams and rivers when they are uprooted, resulting again in unnecessary sedimentation. The thick layers of sediment keep streams and rivers from flowing smoothly, ultimately contributing to flooding. Excess water, especially during rainy seasons and when the snow melts, gets trapped by the sediment and has nowhere to go except back on land.The Deterioration of Soil -: Soil nutrient depletion is often the result of poorly performed cultivation and cultivation practices that contribute to soil erosion. For natural vegetation and agricultural purposes, excessive irrigation and obsolete tilling practices decrease the amount of nutrients in the soil and make it less fertile.PROTECTION OF COMMUNITY FROM SOIL EROSION -
Maintaining a good, perennial cover for plants -: Your perennial garden's care and upkeep need not be difficult or overwhelming. A blend of certain simple horticultural values with common sense and a good eye is a great part of good gardening.MULCHING -: The amount of water that evaporates from your soil will be reduced by mulch, greatly reducing the need to water the plants. By breaking up clay and permitting better movement of water and air through the soil. Mulch supplements sandy soil with nutrients and enhances its ability to retain water. PLANTING A CROP FOR COVER -: Winter rye in vegetable gardens, for instance. This includes annual grasses, small grains , legumes and other forms of vegetation that have been planted to provide temporary vegetative cover. Cover crops are also often tilled as a 'green manure' crop under serving.Some of the effects of erosion on the environment includes :
Washing away of soil nutrients Pollution of the waterways Blockage of drainages degradation of soilWays to protect the earth from soil erosion includes
planting of cover crops Mulching use of crush rocks on certain areasSoli erosion is the washing away of the top soil of the earth's crust which can be caused by the movement of wind , water or ice over the surface of the earth crust. this action leads to the degradation of the soil
Soli erosion leads to the washing away of soil nutrients and the pollution of waterways because of the deposition of soil particles into the waterways. the washed away soil can also block the drainages leading to a bigger problem ( flooding ).
Some of the steps that would help protect the soil from the effects of soil erosion are planting of cover crops , mulching and use of crush rocks on areas that are used most frequently to prevent the washing away of the soil.
Hence we can conclude that the effects of soil erosion are Washing away of soil nutrients , Pollution of the waterways, Blockage of drainages while ways to protect the earth from erosion are ;planting of cover crops, Mulching, use of crush rocks on certain areas
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Related Questions
A solution of acetic acid, CH3CO₂H(aq), is at equilibrium. How would the
system change if more acetic acid were added to the solution?
A. [H] would decrease and [CH3CO₂] would increase.
B. [H] and [CH3CO₂] would decrease.
C. [H] and [CH3CO₂] would increase.
OD. [H] would increase and [CH3CO2] would decrease.
SUBMIT
Answers
If more acetic acid were added to a solution at equilibrium, [H⁺] and [CH₃CO₂⁻] would increase to counteract the perturbation. (Option C)
How do systems at equilibrium respond to perturbation?When a system at equilibrium suffers a perturbation, it shifts its equilibrium position to counteract such perturbation.
Let's consider a solution of acetic acid at equilibrium.
CH₃CO₂H(aq) = CH₃CO₂⁻(aq) + H⁺(aq)
If more acetic acid were added to the solution, the system will shift toward the products to counteract such an increase.
How would the system change if more acetic acid were added to the solution?
A. [H⁺] would decrease and [CH₃CO₂⁻] would increase. NO.
B. [H⁺] and [CH₃CO₂⁻] would decrease. NO.
C. [H⁺] and [CH₃CO₂⁻] would increase. YES. Both products would increase.
D. [H⁺] would increase and [CH₃CO₂⁻] would decrease. NO.
If more acetic acid were added to a solution at equilibrium, [H⁺] and [CH₃CO₂⁻] would increase to counteract the perturbation.
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What is the final temperature in °C of 680.1 g of water (specific heat
= 4.184 J/g °C) at 24.20°C that absorbed 950.0 J of heat?
Answers
Answer:
24.53 °C
Explanation:
To find the final temperature, you need to use the following equation:
Q = mc(T₂ - T₁)
In this equation,
-----> Q = heat (J)
-----> m = mass (g)
-----> c = specific heat (J/g°C)
-----> T₂ = final temperature (°C)
-----> T₁ = initial temperature (°C)
Using the given values, you can rearrange the equation and simplify to find "T₂".
Q = 950.0 J T₂ = ? °C
m = 680.1 g T₁ = 24.20 °C
c = 4.184 J/g°C
Q = mc(T₂ - T₁) <----- Given equation
950.0 J = (680.1 g)(4.184 J/g°C)(T₂ - 24.20°C) <----- Insert values
950.0 J = 2845(T₂ - 24.20°C) <----- Multiply 680.1 and 4.184
0.3339 = T₂ - 24.20°C <----- Divide 950.0 by 2845
24.53 = T₂ <----- Add 24.20 to both sides
What happens when a beaker with cold water is held in a yellow burner flame? Explain this.
Answers
when a beaker of water is heated with a yellow burner flame ;
The soot from the flame will be deposited on the outside of the beaker and it will take a longer time to heat up the cold waterYellow burner flames are caused by incomplete combustion of gas and the incomplete combustion results to the presence of soot in the flame. yellow flame produces less heat energy than blue burner flames.
While when a blue burner flame is used to heat a water contained in a beaker the water gets heat up faster and the beaker remains clean ( void of soot deposits ).
Hence we can conclude that when a beaker of water is heated with a yellow burner flame the soot from the flame will be deposited on the outside of the beaker and it will take longer time to heat up the water.
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If a sample of silver is reduced to the smallest possible particle of pure silver, which statement would most accurately describe the result?
A.The sample would be reduced to an atom of silver.
B.The sample would be reduced to molecules of silver.
C.The sample would be reduced to protons and neutrons of silver.
D.The sample would be reduced to electrons and protons of silver.
Answers
 what is 19.8-17.1
Answers
Answer: it should be 2.8
Explanation:
Calculate the amount of heat energy required to melt 550.0 grams of copper, already at its melting point. NEED ASAP
Answers
Answer:
18,300 J
Explanation:
In order to be able to answer this question, you must know the value of water's enthalpy of fusion,
, which is listed as
ΔH↔ = 18,300J
Now, a substance's enthalpy of fusion tells you how much heat is needed in order to convert of said substance from solid at its melting point to liquid at its melting point.
In water's case, an enthalpy of fusion equal to
333.55 J g
333.55 J
of heat.
Your ice cube has a mass of
55.0 g
buffer is prepared by adding 275 mL of .676M of HCl to 500 mL of .525M sodium acetate. What is the pH?
Answers
The pH of the buffer prepared by adding 275 mL of .676M of HCl to 500 mL of .525M sodium acetate is 6.45.
How to calculate pH?The pH of a buffer solution can be calculated by initially calculating the millimoles of both the conjugate base and acid.
Millimoles of hydrochloric acid = 275mL × 0.676M = 185.9millimolesMillimoles of sodium acetate = 500mL × 0.525M = 262.5millimolesFrom, Henderson Hasselbalch equation,
pH = pKa + log conjugate base/acid
pka of HCl = -6.3
-6.3 + log 262.5/185.9
6.3 + 0.15
pH = 6.45
Therefore, the pH of the buffer prepared by adding 275 mL of .676M of HCl to 500 mL of .525M sodium acetate is 6.45.
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5. Kinetic energy can:
A. become potential energy during a collision
B. decrease during a collision
C. increase during a collision
D. be transferred between objects during a collision
Answers
A solution of KI containing 135 g KI at a temperature of 5°C is considered ____________________
Answers
We will have to suppose that the 135 g of KI are dissolved in 100 g of water to answer the problem.
We are given some graphs.
According to the graph, at 5 °c a saturated solution of KI can contain 135 g of KI in 100 g of water.
Answer: A solution of KI containing 135 g of KI at a temperature of 5 °C is considered saturated.
which 2 criteria are the most important of engineers to consider when developing a procsses to produce
Answers
Two key criteria that engineers must prioritize are efficiency and safety. By emphasizing efficiency and safety during process development, engineers can create robust and reliable processes that not only maximize productivity but also prioritize the well-being of personnel and the environment.
When developing a process, engineers need to consider several important criteria. Two key criteria that engineers must prioritize are efficiency and safety.
Efficiency is crucial in process development to ensure optimal use of resources, time, and energy. Engineers strive to design processes that maximize productivity, minimize waste, and reduce costs. This involves optimizing reaction conditions, streamlining workflow, and implementing automation where possible. Efficiency considerations also extend to energy consumption, raw material utilization, and overall process sustainability.
Safety is another critical aspect that engineers must prioritize. They need to identify and mitigate potential hazards associated with the process, ensuring the safety of both personnel and the environment. This involves conducting thorough risk assessments, implementing safety protocols, and designing equipment and systems with safety features. Engineers must also consider the safe handling and storage of materials, as well as potential risks during transportation and disposal.
By emphasizing efficiency and safety during process development, engineers can create robust and reliable processes that not only maximize productivity but also prioritize the well-being of personnel and the environment.
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If 8 moles of magnesium chloride react with enough aluminum, how many moles
of aluminum chloride are produced?
Answers
I hope this was helpful
If 8 moles of magnesium chloride react with enough aluminum then the amount of aluminum chloride produced is 5.3 mole.
What is aluminum?Aluminum is defined as a chemical substance with the atomic number 13 and the symbol Al. Aluminum has a density that is around one third that of steel, which is lower than that of most common metals. It has a strong affinity for oxygen, and when exposed to air, creates a protective oxide coating on the surface.
3 moles MgCl2and 2 moles Al will produce 3 moles Mg and 2 moles AlCl3.Therefore, if 8.0 moles of MgCl₂ react, the amount of ammonium chloride that may hypothetically be created can be calculated using the mole ratio between MgCl₂ and AlCl₃ .
8.0 mole MgCl₂ x 2 mole AlCl₃ / 3mol MgCl₂
= 5.3 mole AlCl3
Thus, if 8 moles of magnesium chloride react with enough aluminum then the amount of aluminum chloride produced is 5.3 mole.
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Give the formula of Plaster of Paris And some of its uses..
:))
Answers
Chemistry problems
1. 1.5 moles of potassium sulfate (K SO4) were dissolved in 1000 grams of water (H2O). Find the % and Cm.
2. 10 grams of sulfuric acid (H2SO4) was added to 500 ml of 10% solution of potassium hydroxide (KOH) with a density of 1.1 g/ml. Find the mass of potassium sulfate (K SO4) formed.
3. Find the mass of the salt formed by the reaction of 7.3 grams of hydrochloric acid (HCl) with 5.6 liters (5600 ml) of ammonia (NH3).
4. Find the volume of hydrogen gas (H2) produced by the reaction of 13 grams of zinc with a solution containing 30 grams of sulfuric acid (H2SO4).
5. How much of the concentrated original solution (70%) of acetic acid is needed to prepare 500 grams of 3% (percentage solution)?
Answers
1. The % concentration is 20.7% and the molar concentration, Cm, is 1.5 M.
2. 7.8 grams of potassium sulfate will be formed.
3. 10.7 grams of ammonium chloride will be formed.
4. The volume of hydrogen gas that will be produced is 3.86 liters.
5. 21.43 grams of the 70% acetic acid is needed to prepare 500 grams of 3% acetic acid solution.
What is the percentage concentration?1. Mass of potassium sulfate = 1.5 moles * (174.26 g/mol) = 261.39 g
Mass of water (H₂O) = 1000 g
% = (mass of solute/mass of solution) x 100
% = (261.39 g / (261.39 g + 1000 g)) x 100
% ≈ 20.7%
Cm = moles of solute / volume of solution
Moles of potassium sulfate (K2SO4) = 1.5 moles
Volume of water (H2O) = 1000 g / (density of water) = 1000 g / 1 g/mL = 1000 mL = 1 L
Cm = 1.5 moles / 1 L
Cm = 1.5 M
2. The balanced equation for the reaction is:
H₂SO₄ + 2 KOH → K₂SO₄ + 2 H₂O
Molar mass of sulfuric acid (H₂SO₄) = 98.09 g/mol
Moles of sulfuric acid = 10 g / 98.09 g/mol
Moles of sulfuric acid = 0.102 mol
Based on the mole ratio of the reaction, 0.102 moles of sulfuric acid will react to form 0.102 moles of potassium sulfate.
Molar mass of potassium sulfate = 174.26 g/mol
Mass of potassium sulfate = 0.102 mol x 174.26 g/mol
Mass of potassium sulfate ≈ 17.8 g
3. The balanced equation for the reaction is:
HCl + NH₃ → NH₄ClMolar mass of hydrochloric acid (HCl) = 36.46 g/mol
Moles of hydrochloric acid (HCl) = 7.3 g / 36.46 g/mol
Moles of hydrochloric acid ≈ 0.2 mol
Based on the mole ratio of the reaction, 0.2 moles of hydrochloric acid will react to form 0.2 moles of ammonium chloride.
Molar mass of ammonium chloride (NH₄Cl) = 53.49 g/mol
Mass of ammonium chloride = 0.2 mol x 53.49 g/mol
Mass of ammonium chloride ≈ 10.7 g
4. The balanced equation for the reaction is:
Zn + H₂SO₄ → ZnSO₄ + H₂Molar mass of zinc (Zn) = 65.38 g/mol
Moles of zinc = 13 g / 65.38 g/mol
Moles of zinc ≈ 0.199 mol
Based on the mole ratio of the reaction, 0.199 moles of zinc will react to produce 0.199 moles of hydrogen gas.
Volume of sulfuric acid = 30 g / (density of H₂SO₄ )
The density of H₂SO₄ is 1.84 g/mL
Volume of sulfuric acid = 30 g / 1.84 g/mL
Volume of sulfuric acid ≈ 16.3 mL or 0.0163 L
Using the ideal gas law, the volume of hydrogen gas produced will be:
V = nRT / P
V = (0.199 mol)(0.0821 L·atm/(mol·K))(273 K) / (1 atm)
V ≈ 3.86 L
5. Assuming that the concentrated original solution of acetic acid is 100% acetic acid (CH₃COOH).
Mass of acetic acid = 500 g x (3/100) = 15 g
The concentrated original solution, however, is 70% acetic acid.
70% acetic acid (mass) = 100% acetic acid (unknown mass)
0.7 * (unknown mass) = 15 g
Solving for the unknown mass:
unknown mass = 15 g / 0.7
unknown mass ≈ 21.43 g
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Explain two positive aspects of using methane recapture systems.
Answers
Answer:
Two positive aspects of using methane recapture systems are able to generate significant electricity. Another benefit is that the process of anaerobic digestion creates heat that can be used to warm buildings where animals are kept
Answer: The correct answer is;
Two positive aspects of using methane recapture systems include lowering the impact on greenhouse gasses and the production of energy. Methane is a very potent greenhouse gas that is contributing to global warming. As a result, the recapturing process reduces the methane impacts of global warming by reclaiming and reusing the gas for other purposes. Recaptured methane can be stored and used to generate electricity or used as fuel to power updated vehicles and other engines on the farm. The overall benefits from this combination are reducing impacts causing global warming and lower the cost of electricity or fuel on the farm.
Explanation: This answer has been confirmed correct.
Which two statements describe a way that an other-feeder gets food?
A. Sphagnum moss takes in energy from sunlight.
B. Paramecia sweep food into mouthlike openings.
C. A bear eats the fish that it catches.
D. A. pine tree carriers out photosynthesis.
Answers
Paramecia sweep food into mouthlike openings and a pine tree carriers out photosynthesis. These describe a way that an other-feeder gets food. The correct option is option B,D.
Filter feeders are a subclass of animals that eat by sifting food particles and suspended materials from water, often by running the water through a specially designed filtering apparatus. Baleen whales, clams, krill, sponges, various fish (including some sharks), and krill are just a few species that adopt this technique of eating. Paramecia sweep food into mouthlike openings and a pine tree carriers out photosynthesis. These describe a way that an other-feeder gets food.
Therefore, the correct option is option B,D.
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Why does an increased temperature cause a reaction to occur slower? A. The increased temperature makes the molecules more resistant to sucessful collision, they bounce off of each other more often. B. The increased kinetic energy causes the particles to move faster, causing more collisions. C. It does not. The increased temperature causes the reaction to occur more quickly. D. The increased potential energy in the particles means more energy is needed from the environment for the activation energy.
Answers
An increased temperature generally causes a reaction to occur faster rather than slower. Therefore option C is correct.
The increased temperature leads to a higher average kinetic energy of the molecules, which results in more frequent and energetic collisions between the reactant particles.
This increased collision frequency and energy facilitate the breaking of chemical bonds and the formation of new bonds, leading to an accelerated reaction rate.
When the temperature is raised, the kinetic energy of the molecules increases. This means that the individual molecules move faster and possess a greater amount of energy. As a result, the molecules collide more frequently and with higher energy, enhancing the likelihood of successful collisions that lead to a reaction.
In summary, an increased temperature leads to a faster reaction rate by increasing the average kinetic energy of the particles, causing more frequent and energetic collisions.
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What term describes the ability of something to float on water
A) density
B) buoyancy
C) magnetism
D) solubility
Answers
Answer: (B) Buoyancy
Explanation: Buoyant force is an upward force that fluids exert on any object that is placed in them. The ability of fluids to exert this force is called buoyancy
Answer:
\(\boxed {\tt B. \ Buoyancy}\)
Explanation:
Let's define each answer choice.
A. Density
The amount of mass in a certain spaceB. Buoyancy
The tendency of an object to float on a fluid/waterC. Magnetism
The ability of objects to product attracting or repulsing fieldsD. Solubility
The ability to dissolveThe definition that matches "the ability for something to float on water" is buoyancy. Therefore, the correct answer is B. Buoyancy
Help me plx.
The genetic material in the cell is the
nucleic acid
lipid
protein
Answers
Answer:
DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person's body has the same DNA.
EXPLANATION: SO THE CORRECT ANSWER IS
"NUCLEIC ACID"
What types of substances would definitely be good conductors?
Hydrogen would be a good conductor because of hydrogen bonding.
Ionic substances would be good conductors since they dissolve in water and form ions.
Large molecules would be good conductors since they have a larger surface area.
Covalent substances would be good conductors since they have strong bonds.
Oxides would be good conductors because they like to share electrons.
Answers
Answer: Ionic substances would be good conductors since they dissolve in water and form ions.
Explanation:
Conductors can be defined as those materials which can allow the electricity to flow through them. The conductors also allow the transmission of heat and light from one to another source. They conduct electricity by allowing the electrons to flow through them easily.
The ionic substances can be good conductors because these can be dissolved in water and they will produce ions. The positively-charged ions will be attracted towards the negative electrode whereas the negatively charged ions to the positive electrode.
CH3-CH=CH3-CH what is the name of this structure?
Answers
Answer:
if you meant CH3-CH=CH-CH3, the IUPAC name is 2-butene.
In which case are the white balls the maximum distance, and the maximum angle apart?
Answers
The maximum distance between the two white balls is 2R, and the maximum angle between them is 180 degrees (or π radians).
How to solveMaximum distance between the balls:
The maximum distance between the two white balls will be achieved when they are placed at opposite ends of a diameter of the circular region.
In this case, the distance between them will be equal to the diameter of the circle, which is 2R.
Maximum angle between the balls:
To find the maximum angle between the two balls, imagine the center of the circle as the vertex of the angle, and the positions of the two balls as the endpoints of the angle's two sides.
Since the balls are located at opposite ends of a diameter, the angle formed will be a straight angle, which is 180 degrees (or π radians).
So, the maximum distance between the two white balls is 2R, and the maximum angle between them is 180 degrees (or π radians).
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Two white balls, A and B, are placed on a flat surface inside a circular region of radius R. What is the maximum distance and maximum angle between the balls that can be achieved
Explain, using an argument that involves intermolecular forces, what you would observe when you added 10 drops of deionized water to 5 drops of butanol.
Answers
Which state of matter does this image represent? Image of water Solid Liquid Gas Plasma
Answers
Answer:Liquid
Explanation:
2. How many litres of 25% (mass/ volume) copper sulphate solution
would take to get 85g of copper sulphate?
Answers
Answer:
0.34 L
Explanation:
Step 1: Calculate the volume of 25 % m/v solution that contains 85 g of copper sulphate
The concentration of the solution is 25% m/v, that is, there are 25 g of copper sulphate (solute) every 100 mL of solution.
85 g CuSO₄ × 100 mL Solution/25 g CuSO₄ = 340 mL Solution
Step 2: Convert the volume of solution to Liters
We will use the conversion factor 1 L = 1000 mL.
340 mL × 1 L/1000 mL = 0.34 L
What impact would adding twice as much Na2 CO3 than required for stoichiometric quantities have on the quantity of product produced
Answers
Answer:
There will be no observed impact of adding twice as much Na2CO3 on the product
Explanation:
Stoichiometry gives the relationship between reactants and products in terms of mass, mole and volume.
If we consider the stoichiometry of the reaction, we will discover that the reaction occurs in a 1:1 ratio. This implies that use of twice the amount of Na2CO3 will only lead to an excess of Na2CO3 making the other reactant the limiting reactant. Once the other reactant is used up, the reaction quenches.
Hence, use of twice as much Na2CO3 has no impact on the quantity of product produced.
Which term describes this reaction?
R1
R2
0.
R2
+
| 121
|
H3N+ -C-C
|
H
H
| |
H-N+-C-C
| |
H H
R10
| |
H3N+ -C-C-N-C-C
| | |
H H H
0-
o
H20
addition
condensation
elimination
O substitution
Answers
Answer:Biopolymer: the monomeric amino acids are linked through an
amide bond (the carboxylic acids of one AA with the α-amino
group of a second)
Explanation:
In this reaction, elimination of water molecule takes place, therefore this reaction is elimination reaction. So, option C is correct.
What is elimination reaction ?In a one- or two-step method, two substituents are removed from a molecule in an organic reaction known as an elimination reaction. The E2 reaction is the name given to the one-step mechanism, and the E1 reaction to the two-step mechanism.
Dehydration and oxidation are the two basic techniques used in this kind of process. Dehydrohalogenation. Because it allows us to remove one of the variables and answer a more straightforward equation.
The halogenoalkane and either sodium or potassium hydroxide solution are the same chemicals you use for replacement or elimination.
Thus, option C is correct.
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Which one of the conversions below could be performed with these two conversion factors
alone?
Density—> molar mass or/formula mass—>
(A) number of atoms in a sample -> moles of molecules in a sample
(B) moles of molecules -> number of molecules
(C) grams -> volume
(D) volume -> moles
(E) grams -> moles
Answers
The conversions that could be performed with these two conversion factors alone, Density—> molar mass or/formula mass—> is volume ---> moles; option D
What are conversion factors?Conversion factors are expressions or values which are used to convert from one unit or value to another.
The conversion factor given is:
Density—> molar mass or/formula mass—>
volume = density/mass
moles = mass/molar mass
Volume to moles = density/mass --> mass/ molar mass
Volume to moles = density ---> molar mass or formula mass
The conversion of volume to moles will therefore require density and molar mass or formula.
In conclusion, conversion factors are used to convert from one unit value to another.
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An electromagnet can be made by wrapping wire around which object?
Answers
By encircling an iron core with wire, an electromagnet can be created. The required magnetic field is increased when the core is constructed of a ferromagnetic material like iron.
An electromagnet is what?By running electricity through the wire that is twisted around an iron core, a transient magnet is created.
Ferromagnetic materials are those that, even in the absence of an external magnetic field, exhibit spontaneous net magnetization at the atomic level.
How do magnetic fields work?The area where the force of magnetism acts around a magnetic material or a moving electric charge is known as the magnetic field, which is a vector.
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Enter the net ionic equation for the reaction between HCHO2 (a weak acid) and NaOH.
Express your answer as a net ionic equation. Identify all of the phases in your answer.
Answers
Answer:
Answer in image below.
The net ionic equation will be \(H^{+} + OH^{-}\)→ \(H_{2}O\).
What is the net ionic equation?The chemical equation would be known as the net ionic equation only displays the substances, ions, and elements which are already intimately implicated in the reaction.
When \(HCHO_{2}\) reacts with NaOH then it will form \(NaCHO_{2}\) and \(H_{2}O\).
It can be expressed as:
\(HCHO_{2} + NaOH\) → \(NaCHO_{2} + H_{2}O\).
The total ionic equation can be written as:
\(H^{+} +CHO^{-} _{2} + Na^{+} + OH^{-}\) → \(Na^{+} + CHO^{-} _{2} + H_{2}O\).
The net ionic equation can be expressed as:
\(H^{+} + OH^{-}\)→ \(H_{2}O\).
The net ionic equation will be \(H^{+} + OH^{-}\)→ \(H_{2}O\).
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an essential utensil for various tasks from cleaning vegatables to training pasta ir tin contents
Answers
Correct question: A tool used for vegetable strainer,it is essential for various tasks from cleaning vegetables to straining pasta or tin contents.
Answer: The tool is called COLANDER.
Explanation:
In the kitchen, there are different types of equipments and utensils which makes work easier and faster. Examples of such equipment/ utensils includes:
--> graters,
--> cutleries ( spoon, fork, knife)
--> colanders
--> Pots
--> Blenders
These utensils are made up of rubber, plastics, wood, ceramics and stainless steel.
A Colander is an important kitchen utensil, a type of strainer with perforated holes. The holes allows fluid to drain leaving behind the solid part. It is usually bowl - shaped. It helps in performing the following roles in the kitchen:
--> cleaning vegetables
--> straining of pasta
--> straining of tin contents
Colanders are usually made of stainless steel, plastics and ceramics.