During which two minutes time period is the temperature of water changing faster?!

Answer:

Atoms are at their most stable when their outermost energy level is either empty of electrons or filled with electrons.

Answer:

The temperature will drop 4°C.

Explanation:

Note that this question is describing temperature change in response to the time of the day. Ideally, mornings to afternoons are usually hotter while evenings are colder.

According to this question, the temperature rises by 4°C from 10:00 a.m. to 12:00 p.m. it also rises another 3°C from 2:00 p.m. to 4:00 p.m but starts dropping by 2°C from 2:00pm to 4:00pm. This shows that between the hours of 10:00am - 2:00pm, the temperature increases as a result of the heat from sun. However, towards the evening period, the temperature reduces because the sun is getting shadowed by the moon.

Hence, based on this analogy, the most reasonable prediction about how the temperature will change from. 4:00am to 6:00am is that The temperature will drop 4°C.

Answer:

theres no options?

Explanation:

To determine the amount of water that boils away, we need to know the initial temperature of the solutions and calculate the amount of heat generated by the reaction and the heat required to raise the temperature of the solution and water to their boiling points.

The given chemical equation represents a neutralization reaction between hydrochloric acid (HCl) and potassium hydroxide (KOH) to form water (\(H_{2}O\)) and potassium chloride (KCl).

The reaction is exothermic, and the enthalpy change is -57.3 kJ/mol, indicating that heat is released during the reaction.

When 20 mL of 10 M HCl is mixed with 17 mL of 10 M KOH, they react completely to form water and KCl. The reaction generates heat, causing the temperature of the solution to increase.

However, some of the water produced may boil away if the temperature exceeds its boiling point.

To determine how much water boils away, we need to calculate the amount of heat generated by the reaction and compare it to the heat required to raise the temperature of the solution and the water to their boiling points.

Without knowing the initial temperature of the solutions, it is difficult to estimate how much water would boil away. However, we can assume that if the temperature of the solution reaches 100 ∘C, then all the water produced will boil away.

In summary, to determine the amount of water that boils away, we need to know the initial temperature of the solutions and calculate the amount of heat generated by the reaction and the heat required to raise the temperature of the solution and water to their boiling points.

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Answer:

8

Explanation:

Answer:

Explanation:

To convert the above value into atm we use the following conversion

We have

If 760 mmHg = 1 atm

7220 mmHg =

\( \frac{7220 \times 1}{760} = \frac{7220}{760} = \frac{19}{2} \\ \)

We have the final answer as

Hope this helps you

Environmental modifications can be considered "any equipment that changes the environment for everyone who shares space with the patient" (Dutton, 1995, p178).

These modifications aim to provide access, promote independence, safety, energy conservation, work simplification, and joint protection. Some examples of environmental modifications include:

1. Fixed toilet frames: These provide support for individuals who have difficulty sitting or standing when using the toilet.
2. Raised toilet seats: These make it easier for individuals with limited mobility to sit down and stand up from the toilet.
3. Grab rails: Installed near stairs, in bathrooms, or other areas where extra support is needed, grab rails help individuals maintain their balance and prevent falls.
4. Car adaptations: These can include hand controls, wheelchair lifts, and other modifications that make it easier for individuals with disabilities to operate or access a vehicle.
5. Ramps: Ramps provide a gradual incline, allowing wheelchair users and others with mobility impairments to access buildings and other areas with elevation changes.
6. Widening doorways: By increasing the width of doorways, individuals using wheelchairs, walkers, or other mobility aids can easily pass through.
7. Walk-in showers: These showers have a low or no threshold, making it easier for individuals with mobility impairments to enter and exit the shower area.

These are just a few examples of environmental modifications that can improve the quality of life for individuals with various physical limitations and disabilities.

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Answer:

don't no answer

Explanation:

d don't no answer

Answer:

I think that the previous answer will help you with this one, Newton´s laws explain it because of the action-reaction law, the resulting forces will be balanced or overloaded in one object, depending of the mass acceleration/speed or force applied to one object.

Explanation:

Answer:

mole

Explanation:

is a unit of amount of substance in the International System of Units, defined (since 2019) by fixing the Avogadro constant at the given value. Sometimes, the amount of substance is referred to as the chemical amount

1. SOCl2/pyridine

2. NH3

3. LiAlH4

4. H2O

SOCl2/pyridine is added to (S)-3-methyl-3-phenylpentanoic acid first in order to convert it to (5)-3-methyl-3-phenylpentanamine.

The carbonyl carbon is then reduced to an alkane by adding NH3 after which LiAlH4 is added. The mechanism is finished by the addition of water, which causes the product to form.

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Answer:

The correct answer is - 100 grams.

Explanation:

The solubility graph is a very useful tool because it tells you the amount of solute that can be dissolved per  100 mL  of water in order to have a saturated solution of potassium nitrate at a given temperature.

In order to find the solubility of the salt at  30 ∘ C , start from the  30 ∘ C

mark on the graph and move up until you intersect the curve. At the point of intersection, move left until you intersect the  y  axis and read off the value that you land on which is 200. However, it is for 100 ml so half the value you read:

200/2 = 100 gram .

So, solubility  ≈  100 g / 50 mL water

So, a saturated solution of solute will hold about  100 g  of dissolved solute, that is of dissociated solute, per 50 mL  of water at  30 ∘ C .

No, it is not true that new types of atoms are produced in chemical reaction.

A chemical reaction is a process that results in the chemical conversion of one group of chemical compounds into another.

Chemical reactions involve the rearrangement of atoms to form new substances, but atoms themselves are not created or destroyed in the process. This is known as law of conservation of mass, which states that the total mass of reactants in a chemical reaction is equal to the total mass of products.

Therefore, the types of atoms present in the reactants are also present in the products, just in different combinations and arrangements.

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Answer:

2.93×10^23

Explanation:

molecular formula of NaCl is 58.5

58.5gof NaCl=6.023×10^23

28.5g of NaCl= 6.023×10^23÷58.5×28.5

= 2.93×10^23

Answer:

D

Explanation:

Hope it helps

The result he hope for he should be happy with himself after following a strict diet and exercise routine.

Fitness is defined as to be able to go about one's everyday activities without difficulty, without getting exhausted, and with enough energy to spare for leisure. Body composition, flexibility, muscular strength, muscular endurance, and cardiorespiratory endurance are the five facets of physical fitness. Physical activity can strengthen your bones and muscles, help you maintain a healthy weight, increase your ability to carry out daily tasks, and improve your cognitive health.

Exercise is defined as a bodily action that maintains or improves physical health and wellness overall.  Exercise science is a field that investigates movement as well as the corresponding functional reactions and adaptations.

Thus, the result he hope for he should be happy with himself after following a strict diet and exercise routine.

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Answer: Diffusion is the movement of particles from a high to low particle concentration, while osmosis is the movement of water from a high to a low water concentration.

Explanation:

Both will conduct electricity.

Solution:

Both compounds are ionic compounds and in molten or in aqueous solution, both will provide the ions. Ions are conducting chemical species.

As we see the position of K, I, Cu, and Cl in the periodic table, we observe that -

K, Cu are metals

I, Cl are nonmetals.

So when compounds are formed by metals and nonmetals by electrostatic attraction force they are ionic compounds and they are conducting material.

Substances that are insoluble in water and do not conduct electricity are composed of non-metallic atoms. Metals are to the left of the line, non-metals are to the right of the line, and the elements immediately next to the line are semimetals. The physical and chemical properties of the atoms of an element depend on their electronic configuration.

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Answer:

Option A

Explanation:

The atomic number is the number of protons in the nucleus of an atom.

The correct answer is B) SO₂ < CO₂ < C₁O₂ in order of increasing bond angle.

The bond angles in these molecules are determined by their molecular geometry, which is influenced by the number of electron groups (bonded atoms or lone pairs) around the central atom.

In SO₂, the central sulfur atom has three electron groups, giving it a bent shape with bond angles of approximately 119 degrees.

In CO₂, the central carbon atom has two electron groups, giving it a linear shape with bond angles of 180 degrees.

In C₁O₂, the central chlorine atom has four electron groups, giving it a tetrahedral shape with bond angles of approximately 109.5 degrees.

Therefore, the bond angles increase in the order of SO₂ < CO₂ < C₁O₂.

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Answer:

Save Fuel, Save Earth

Fuel and time wait for none!

Be wise, don’t waste fuel

Save fuel, stop being cruel

Don’t contribute towards global warming

Care for future, save fuel

Hope That Helps!!!

Explanation:

Here are Best Slogans on Save Fuel.

-Towards a better future.

-Save to sustain.

-Save fuel for a better world.

-Make sure to keep some for the next generation.

-Our resources are limited.

-Save to expand.

-Saving fuel has no alternatives.

-Save money while saving fuels.

Answer:

Ok so I assume they gave u a reaction before asking this question. Look at that reaction and try to figure out what substances are changing in valency, if there is a substance(s) that doesn't change its valency then it's a spectator ion.

Answer:

100g gold ring - 58g gold.

Explanation:

Assuming that the 100% represents the 100g of the gold ring, with a mathematical rule of three we can calculate the 58% of gold:

So, in 100g of the gold ring, there are 58g of gold.

Yes, the elements that will be formed in a fusion reaction can be predicted by looking at the combining nuclides.

A nuclear reaction is one in which the nucleus of elements undergo rearrangement to form new nuclei and release energy.

Mass and charge of reactant and product nuclides are conserved in a nuclear reaction.

This implies that we can look at the reactant nuclides and predict the products of the nuclear fusion . This can be done by studying the combining nuclides and taking into cognizance, the balance of mass and charge on both sides of the nuclear reaction equation.

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Answer: Yes it is possible

Explanation: The element that is formed in a fusion can be predicted by looking at the combining elements or nuclides in this case it would be the hydrogen isotopes

Explanation:

colloid is a mixture in which one substance of microscopically dispersed insoluble particles are suspended throughout another substance. However, some definitions specify that the particles must be dispersed in a liquid,[1] and others extend the definition to include substances like aerosols and gels. The term colloidal suspension refers unambiguously to the overall mixture (although a narrower sense of the word suspension is distinguished from colloids by larger particle size). A colloid has a dispersed phase (the suspended particles) and a continuous phase (the medium of suspension). The dispersed phase particles have a diameter of approximately 1 nanometre to 1 micrometre.[

hope it helps.

Answer:

colloids are mixtures in which one or more substances are dispersed as relatively large solid particles or liquid droplets throughout a solid ,liquid or gaseous medium .The particles of a colloid remain and do not settle due to gravity ,and they are often electrically charged

In the structure of isoprene there are double bonds. Isoprene has 2 cis double bonds and 0 trans double bonds.

Based on the structure of isoprene, which is a repeating unit in rubber,

the correct statement is: Isoprene has 1 cis double bond and 1 trans double bond or 2 cis double bonds and 0 trans double bonds.

The polymer chain's double bonds may exhibit cis- or trans-isomerism. One double bond may stay in the chain after chain polymerization of a monomer having two conjugated double bonds, such as isoprene.

The organic component isoprene found in the bark of tropical and subtropical trees is naturally polymerized to form natural rubber. Latex is the milky-white liquid that comes from trees. Because of this, natural rubber is often referred to as latex.

2-Methyl-1,3-Butadiene, generally known as isoprene, is the monomer unit of natural rubber.

Natural rubber's structure is known as polyisoprene or cis-1,4-polyisoprene.

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