Answer:
D
Explanation:
metals are conductors because energy such as electricity and heat can pass through them
metals are ductile because they can be drawn out into thin wires
metals are malleable because due to the way the atoms are structured they can be bent and shaped without breaking
therefore the answer is all off the above
hope this helps :)
Modeling DNA Mutations Student Worksheet
Table 1. First mutated DNA strand
Row Description Answers
A Base sequence of original
strand
A–T–C–G–T–A–G–A–C–G–C–T–T–A–T–G–A–C
B Protein produced from
original strand
Protein A
C Base sequence of mutated
strand
D Protein produced from
mutated strand
E Effect of mutation
Table 2. Second mutated DNA strand
Row Description Answers
A Base sequence of original
strand
A–T–C–G–T–A–G–A–C–G–C–T–T–A–T–G–A–C
B Protein produced from
original strand
Protein A
C Base sequence of mutated
strand
D Protein produced from
mutated strand
E Effect of mutation
Student Guide (continued)
Table 3. Third mutated DNA strand
Row Description Answers
A Base sequence of original
strand
A–T–C–G–T–A–G–A–C–G–C–T–T–A–T–G–A–C
B Protein produced from
original strand
Protein A
C Base sequence of mutated
strand
D Protein produced from
mutated strand
E Effect of mutation
Answer these three questions to summarize what you have done in this project.
1. How did you model mutations in this project?
2. How are the three mutated strands similar to each other? (Hint: Think about the type of
mutations modeled.)
3. How are the three mutated strands different from each other?
PLEASE HELP!!
In this project, we modeled mutations in DNA by changing a single nucleotide in the original DNA sequence, which led to a change in the resulting protein that is produced from the mutated strand.
We then recorded the base sequence of the mutated strand, the resulting protein produced from the mutated strand, and the effect of the mutation.
What is the model of mutation?The three mutated strands are similar in that they all involved a single nucleotide substitution mutation, where one nucleotide was replaced with another. This type of mutation is known as a point mutation. All three mutations resulted in a different amino acid being incorporated into the protein, which altered the structure and function of the protein.
The three mutated strands are different from each other in terms of the specific nucleotide that was substituted and the resulting amino acid change in the protein. In the first mutated strand, the nucleotide thymine (T) was replaced with cytosine (C), resulting in a change from the amino acid valine to alanine. In the second mutated strand, the nucleotide guanine (G) was replaced with adenine (A), resulting in a change from the amino acid cysteine to histidine. In the third mutated strand, the nucleotide adenine (A) was replaced with guanine (G), resulting in a change from the amino acid aspartic acid to glycine.
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find the ph, (ch3)3N and (ch3)3NH+ in a solution of 0.060M of trimethylammonium chloride
The pH of the solution is approximately 7.0, and the concentrations of (CH₃)₃N and (CH₃)₃NH⁺ are both approximately 0.060 M.
To find the pH and concentrations of (CH₃)₃N and (CH₃)₃NH⁺ in a solution of 0.060 M trimethylammonium chloride ([ (CH₃)₃N]Cl), we need to consider the acid-base equilibrium of the trimethylammonium ion.
Trimethylammonium chloride, (CH₃)₃NCl, dissociates in water to release (CH₃)₃NH⁺ ions and Cl⁻ ions. Since (CH₃)₃N is the conjugate base of (CH₃)₃NH⁺, we can represent the equilibrium as follows:
(CH₃)₃N⁺ + H₂O ⇌ (CH₃)₃NH⁺ + OH⁻
The concentration of (CH₃)₃NH⁺ in the solution will be the same as the concentration of (CH₃)₃NCl, which is 0.060 M.
Now, we can use the equilibrium expression for the ionization of (CH₃)₃NH⁺ to calculate the concentration of hydroxide ions, OH⁻, and pH:
Kw = [OH⁻][H₃O⁺]
Since water is neutral, [H₃O⁺] is equal to [OH⁻] in this case. Hence,
Kw = [OH⁻][OH⁻]
Given that Kw is a constant equal to 1.0 x 10⁻¹⁴ at 25°C, we can solve for [OH⁻]:
[OH⁻]² = 1.0 x 10⁻¹⁴
[OH⁻] ≈ 1.0 x 10⁻⁷ M
Since [H₃O⁺] is also approximately 1.0 x 10⁻⁷ M, we can use the equation pH = -log[H₃O⁺] to find the pH:
pH = -log(1.0 x 10⁻⁷) ≈ 7.0
Therefore, the pH of the solution is approximately 7.0, and the concentrations of (CH₃)₃N and (CH₃)₃NH⁺ are both approximately 0.060 M.
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if a jeweler uses 1072 J of energy to warm up 4.91 g of silver from 25 degrees celsius to its melting point, what is the melting point of silver?
Answer:
961.78 C
Explanation:
961.78 C is the melting point of silver
Answer:
954 C (according to the numbers given)
Explanation:
Specific heat of silver = 235 J/(kg-K)
25 C = 298.15 K
4.91 / 1000 * ( K - 298.15 K) * 235 = 1072 J
K = melting point = 1227.2 K
= 954 C
the electron-domain geometry of a species is the arrangement of electron around the central atom, whereas the molecular geometry is the arrangement of bonded____ . two species with the same electron-domain geometry may have different molecular geometries.
The electron-domain geometry of a species is the arrangement of electron around the central atom, whereas the molecular geometry is the arrangement of bonded atoms.
Electron-domain geometry refers to the arrangement of the electron pairs (both bonding and non-bonding) around the central atom in a molecule. It is also called the molecular geometry or the electron-pair geometry.
This geometry determines the spatial arrangement of the atoms in a molecule and influences the overall shape of the molecule. The electron-domain geometry is determined by the number of electron pairs around the central atom and the arrangement that minimizes the repulsion between these electron pairs.
Common electron-domain geometries will include linear, octahedral, tetrahedral, trigonal bipyramidal, and trigonal planar.
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The chemical formula for the ionic compound aluminum sulfite is Al2(SO3)3. Explain why there are 2 cations for every 3 anions in this compound.
Please help lol
Answer: It is a 2:3 ratio because Al has a +2 charge and S and O both have a -2 charge. It takes 2 Al to bring 3 SO3 to a neutral state.
Explanation:
why is citric acid added to food?to add colorto add tartnessto add bitternessto add sweetness
Citric acid is added to food to add tartness and enhance the flavor. The correct option is b.
Citric acid, a natural compound found in citrus fruits, is commonly added to food for its tart flavor and ability to enhance taste. Here's a step-by-step explanation:
1. Tartness: Citric acid is highly acidic and has a sour taste. When added to food, it provides a sharp, tangy flavor that adds tartness. This tartness can help balance the overall taste profile of a dish, especially in sweet or savory recipes.
2. Flavor enhancement: Citric acid acts as a flavor enhancer, intensifying the existing flavors in food. It has the ability to enhance the perception of other taste sensations, such as sweetness and saltiness, making food taste more vibrant and flavorful.
3. Preservation: Citric acid also acts as a natural preservative in some food products. It has antimicrobial properties that inhibit the growth of certain bacteria and fungi, helping to extend the shelf life of foods and prevent spoilage.
4. pH adjustment: Citric acid can be used to adjust the pH level of certain food products. It is commonly used in canning and preserving processes to create an acidic environment that inhibits bacterial growth and helps maintain product quality and safety.
Overall, the addition of citric acid to food primarily serves to enhance flavor, provide tartness, and potentially contribute to preservation. Option b is the correct one.
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A small bubble rises from the bottom of a lake, where the temperature and pressure are 8°C and 6.4 atm, to the water's surface, where the temperature is 25°C and pressure is 1.0 atm. Calculate the final volume (in ml) of the bubble if its initial volume was 2.1 ml.
a. 0.070 ml
b. 21 ml
c. 14 ml
d. 42 ml
Answer:
b
Explanation:
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What are two things that the DDT and ozone story have in common?
there's no answer options I just need sentences please!
Answer:
DDT (dichloro-diphenyl-trichloroethane) was developed as the first of the modern synthetic insecticides in the 1940s. It was initially used with great effect to combat malaria, typhus, and the other insect-borne human diseases among both military and civilian populations.
Ozone is a naturally occurring molecule. An ozone molecule is made up of three oxygen atoms. It has the chemical formula O3.
Explanation:
It is commonly used as a fire extinguishing agent. The reason it has so much ozone depleting potential is because it contains bromine, which has many times the ozone depleting potential of chlorine.
21,980 mg of phosphorus reacts in a gas jar containing oxygen. The resulting oxide weighed 50.000 g. The percent composition of oxygen in this compound is 43.97%. FALSE or TRUE
Answer: False
Explanation:
What the anode , cathode and the electrolyte of a cell tha t you might use to electrolyte a spoon made from iron with silver?
The silver coating on the spoon is produced. When electrolyzing a spoon made from iron with silver, the anode, cathode, and electrolyte that can be used are as follows:
Anode: The anode is a negatively charged electrode, usually made of metal or graphite, that releases electrons during electrolysis. It is made of pure silver.Cathode: The cathode is a positively charged electrode that receives electrons during electrolysis. It is made of iron.Electrolyte: The electrolyte is a solution that conducts electricity and contains ions that can be reduced or oxidized. The electrolyte used for this process is a solution of silver nitrate (AgNO3) in water.The silver ion (Ag+) moves from the anode to the cathode through the electrolyte. At the cathode, it accepts an electron, reducing it to metallic silver (Ag). Fe(s) is oxidized to Fe2+(aq) ion at the anode, while Ag+ ions are reduced to Ag(s) at the cathode. Therefore, the silver coating on the spoon is produced.For such more questions on silver coating
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Calculate to three significant digits the density of boron trifluoride gas at exactly −5°C and exactly 1atm . You can assume boron trifluoride gas behaves as an ideal gas under these conditions.
The density of boron trifluoride gas at exactly -5°C and exactly 1 atm is approximately 3.29 g/L.
To calculate the density of boron trifluoride (\(BF_3\)) gas at -5°C and 1 atm, we can use the ideal gas law and the molar mass of \(BF_3\).
The ideal gas law is given by PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature in Kelvin.
First, we need to convert -5°C to Kelvin. Kelvin temperature is obtained by adding 273.15 to the Celsius temperature.
-5°C + 273.15 = 268.15 K
Next, we need to find the molar mass of \(BF_3\). The molar mass of boron (B) is approximately 10.81 g/mol, and the molar mass of fluorine (F) is approximately 18.998 g/mol. Since \(BF_3\) contains one boron atom and three fluorine atoms, the molar mass of \(BF_3\) is:
Molar mass of \(BF_3\) = 1(B) + 3(F) = 10.81 g/mol + 3(18.998 g/mol) = 83.805 g/mol
Now, we can rearrange the ideal gas law to solve for the density (d):
d = (molar mass of \(BF_3\) * P) / (R * T)
Substituting the known values:
d = (83.805 g/mol * 1 atm) / (0.0821 L·atm/(mol·K) * 268.15 K)
Calculating the density:
d ≈ 3.29 g/L
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How does a nucleus maintain its stability even though it is composed of many particles that are positively charged? The neutrons shield these protons from each other. The Coulomb force is not applicable inside the nucleus. The strong nuclear forces are overcoming the repulsion. The surrounding electrons neutralize the protons.
A nucleus maintains its stability despite being composed of positively charged particles due to the strong nuclear force that overcomes the repulsion between the protons.
The neutrons in the nucleus play a crucial role in maintaining stability. Neutrons have no charge and do not contribute to the electrostatic repulsion. Their presence helps to increase the attractive nuclear force, balancing the repulsive force between protons. This shielding effect allows the nucleus to remain stable.
Another important factor is that the Coulomb force, which describes the electrostatic repulsion between charged particles, is not applicable at the nuclear level. The range of the Coulomb force is limited, and its influence diminishes at very short distances inside the nucleus. Instead, the strong nuclear force takes over and becomes the dominant force, binding the protons and neutrons together.
Additionally, the surrounding electrons in an atom contribute to the nucleus's stability. Electrons are negatively charged and are located in the electron cloud surrounding the nucleus. Their negative charge helps neutralize the positive charge of the protons, reducing the overall electrostatic repulsion within the atom. This electron-proton attraction further contributes to the stability of the nucleus.
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What ONE word is used to describe a solid that dissolves in a liquid?
Answer: solvent
called a solvent to form a solution.
Explanation:
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Dad, care of the child in the swing a forward push in order to set her into motion in this situation work is done on the child by the?
There is no kinetic energy in the ball at first, only gravitational potential energy mgh. Because some energy must always be expended to overcome air resistance and resistance in the support as ball swings.
The term "motion" refers to what?Motion is a characteristic where a body shifts its location with regard to time. These are the different motions: 2.1 a linear motion Particles moving linearly can be characterized as traveling along a straight or curved path from one location to another.
What are movement and an example?A change in an object's position with regard to time is what we mean when we say that something is moving. Motion is demonstrated by things moving, such is a book tumbling off a desk, water running from the faucet, rattling windows, etc.
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What is the purpose of the stairstep pattern on the periodic table of the elements?
Answer: The bold staircase in the periodic table allows us to classify which elements are metalloids.
Explanation: Additionally, it acts like a "divider" that allows us to properly distinguish the metals from the non-metals in the periodic table.
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A sample of certain gas have Volume of 1.25 L ATM _125 degree Celsius and5.0 ATM the gas is compressed 50.0 ATM a volume of 325 mL. what is final temperature?
The final temperature of the gas is approximately 40.96 Kelvin.
To determine the final temperature of the gas, we can use the ideal gas law, which states:
PV = nRT
where P is the pressure, V is the volume, n is the number of moles of the gas, R is the ideal gas constant, and T is the temperature in Kelvin.
First, let's convert the given temperatures to Kelvin. We have:
Initial temperature: -125 degrees Celsius = 148 K (approximate)
Final temperature: Unknown
The initial conditions of the gas are as follows:
Initial pressure (P1) = 1.25 atm
Initial volume (V1) = 1250 mL = 1.25 L (since 1 L = 1000 mL)
Initial temperature (T1) = 148 K
The final conditions of the gas are as follows:
Final pressure (P2) = 50.0 atm
Final volume (V2) = 325 mL = 0.325 L
Final temperature (T2) = Unknown
Using the ideal gas law, we can set up the following equation:
(P1 * V1) / T1 = (P2 * V2) / T2
Substituting the known values:
(1.25 atm * 1.25 L) / 148 K = (50.0 atm * 0.325 L) / T2
Simplifying the equation:
T2 = (50.0 atm * 0.325 L * 148 K) / (1.25 atm * 1.25 L)
T2 = 40.96 K
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A Fine grained texture and a Coarse grained texture.
B. How is each texture related to the cooling rate?
Please helppp!
Explanation:
Slow cool rate in coarse
Fast cool rate in fine
the pressure exerted by a gas on its container is directly proportional to select one: a. the volume of the container. b. the mass of the individual gas molecules. c. the centigrade temperature of the gas. d. the number of molecules of gas in the sample. e. the fahrenheit temperature of the gas.
The pressure exerted by a gas on its container is directly proportional to the volume of the container. This relationship is known as Boyle's Law, named after the physicist Robert Boyle who first discovered it in the 17th century. Boyle's Law states that when the temperature of a gas remains constant, the pressure and volume of the gas are inversely proportional to each other. In other words, as the volume of the container decreases, the pressure of the gas increases, and vice versa.
This relationship can be explained by the behavior of gas molecules. When a gas is contained in a container, its molecules are constantly colliding with the walls of the container. The more molecules there are, the more collisions there will be, and the greater the pressure will be. However, if the volume of the container is decreased, there will be less space for the molecules to move around in, so they will collide more frequently with the walls of the container, resulting in a higher pressure.
In contrast, the mass of the individual gas molecules, the centigrade temperature of the gas, and the fahrenheit temperature of the gas do not have a direct effect on the pressure exerted by the gas on its container. These factors may affect other properties of the gas, such as its density or its behavior under different conditions, but they are not directly related to Boyle's Law. Similarly, the number of molecules of gas in the sample may affect the pressure of the gas, but only insofar as it affects the volume of the container, which is the primary determinant of pressure in Boyle's Law.
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what is the difference between high and low pressure?
A. there are the same number of particle collisions happening in high and low pressure
B. in low pressure, there are more particle collisions happening then high pressure
C. in high pressure, there are more particle collisions then low pressure
D. pressure is not caused by the collisions of particles
Question 14 PM2.5 is defined as ________
- the mass concentration of particles in the air less than or equal to 2.5 micrometers in diameter. - the mass concentration of particles in the air equal to 2.5 micrometers in diameter. - the mass concentration of particles in the air greater than or equal to 2.5 micrometers in diameter. Question 15 Carbon dioxide (CO2) is a criteria air pollutant. - True - False Question 16 Roughly percent of emissions of carbon monoxide in Santa Clara County come from mobile sources (select the choice closest to the correct answer). - 50 - 75 - 25 Question 17
The term "photochemical smog" is most synonymous with which of the following criteria air pollutants? - lead (Pb) - carbon monoxide (CO) - sulfur dioxide ( SO2) - ozone (O3) Question 18 "Attainment" of ambient air quality standards requires that measured concentrations at all monitoring stations within an air district are below ambient air standards. - True - False
: PM2.5 is defined as the mass concentration of particles in the air less than or equal to 2.5 micrometers in diameter.Question 15: False, carbon dioxide (CO2) is not considered a criteria air pollutant.
Question 16: The closest answer is 50%, but the exact percentage is not provided in the question.Question 17: The term "photochemical smog" is most synonymous with ozone (O3), which is a criteria air pollutant.Question 18: True, attainment of ambient air quality standards requires that measured concentrations at all monitoring stations within an air district are below ambient air standards.
Question 14 asks about the definition of PM2.5. PM2.5 refers to particulate matter with a diameter less than or equal to 2.5 micrometers. It represents the mass concentration of particles suspended in the air, which are small enough to be inhaled into the respiratory system and can have adverse health effects.
Question 15 states whether carbon dioxide (CO2) is a criteria air pollutant. Criteria air pollutants are a set of pollutants regulated by environmental agencies due to their detrimental impact on air quality and human health. However, carbon dioxide is not considered a criteria air pollutant because it does not directly cause harm to human health or the environment in the same way as pollutants like ozone or particulate matter.
Question 16 asks about the percentage of carbon monoxide (CO) emissions from mobile sources in Santa Clara County. While the exact percentage is not provided in the question, the closest answer option is 50%. However, it is important to note that the precise percentage may vary depending on specific local conditions and emissions sources.
Question 17 inquires about the criteria air pollutant most synonymous with the term "photochemical smog." Photochemical smog is primarily associated with high levels of ground-level ozone (O3). Ozone is formed when nitrogen oxides (NOx) and volatile organic compounds (VOCs) react in the presence of sunlight, creating a hazy and polluted atmospheric condition.
Question 18 addresses the concept of "attainment" of ambient air quality standards. To achieve attainment, measured concentrations of pollutants at all monitoring stations within an air district must be below the established ambient air quality standards. This ensures that the air quality in the given area meets the required standards for protecting human health and the environment.
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1. What might cause cosmic radiation to be deflected around Earth?
how to calculate equilibrium concentration from initial concentration without kc with acids and bases
We can determine the equilibrium concentration when we are given the initial concentration and reaction of an acid or base. In the given reaction,
HA is an acid that dissociates in water to form its conjugate base A− and a hydronium ion H3O+.
HA(aq) + H2O(l) ⇌ A−(aq) + H3O+(aq)
For any weak acid, the dissociation constant is defined as follows:
Ka = [A−][H3O+]/[HA]
We can determine the equilibrium concentration from the above formula by using the initial concentration.
Let’s consider a weak acid HA with an initial concentration of [HA]0.
It will form [A−] and [H3O+] at equilibrium.
If the degree of dissociation of the acid is x, then the concentration of [H3O+] at equilibrium will be [H3O+] = x, and the concentration of [A−] will be [A−] = x. And the concentration of [HA] at equilibrium will be [HA] = [HA]0 − x.
So, we can write the equilibrium expression for the dissociation of HA as:
Ka = [A−][H3O+]/[HA]Ka = x * x/([HA]0 − x)
By solving the above equation, we can obtain the value of x, which is the degree of dissociation of the acid.
At equilibrium, the equilibrium concentration of HA is [HA] = [HA]0 − x. The equilibrium concentration of A− is [A−] = x. The equilibrium concentration of H3O+ is [H3O+] = x. Thus, we can determine the equilibrium concentration from the initial concentration of a weak acid or base without using the equilibrium constant Kc.
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Match the scientist to his contribution to the atomic theory. (3 points)
Answer: Thomson - Electrons
Rutherford - Nucleus
Bohr - Electron energy levels
Explanation: I just took the quiz
Answer:
Answer: Thomson - Electrons
Rutherford - Nucleus
Bohr - Electron energy levels
The _____ hinders one face of the molecule forcing the second bromine to add from the opposite face resulting ______of the bromine atoms.
The bulky group hinders one face of the molecule, forcing the second bromine to add from the opposite face, resulting in anti-addition of the bromine atoms.
It is due steric hindrance, which at a given atom in a molecule is the crowding caused by the presence of the neighbouring ligands, which may slow down or prevent reactions at the atom.
Bromine molecule is liquid at room temperature, with atomic number 35. Addition of Bromine to alkenes is stereospecifically trans. Stereochemistry is the branch of chemistry that studies different spatial arrangements of atoms in molecules.
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how many grams of potassium bromide, , must be dissolved to prepare 100. ml of a 0.164 m aqueous solution of the salt?
Mass of potassium bromide must be dissolved to prepare 100 ml of a 0.164 m aqueous solution is 1.95 gram
It is given that
volume of aqueous solution = 100 ml
molarity of solution = 0.164 m
We have to find mass of potassium bromide
Molarity (M) is the amount of a substance in a certain volume of solution. Molarity is defined as the moles of a solute per liters of a solution. Molarity is also known as the molar concentration of a solution
Molarity = (given mass/molar mass) x (1/volume of solution)
0.164 = (mass/119) x 1000/100
0.164 = mass/119 x 10
0.164 x 119/10 = mass
mass = 1.95 gram
Hence, Mass of potassium bromide must be dissolved to prepare 100 ml of a 0.164 m aqueous solution is 1.95 gram
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Cyclopropane rearranges to form propene in the gas phase.
The reaction is first order in cyclopropane and has a measured rate constant of k=3.36×10−5 s−1 at 720 K. If the initial cyclopropane concentration is 0.0445 M, what will the cyclopropane concentration be after 235.0 min?
The concentration of cyclopropane after 235.0 min is 0.0221 M.
How we calculated this concentration ?The reaction is first order in cyclopropane, which means that the rate of the reaction is proportional to the concentration of cyclopropane. The first-order rate law can be written as:
Rate = k[Cyclopropane]
where k is the rate constant and [Cyclopropane] is the concentration of cyclopropane.
To solve for the concentration of cyclopropane after a certain time, we can use the integrated rate law for a first-order reaction:
ln([Cyclopropane]t/[Cyclopropane]0) = -kt
where [Cyclopropane]t is the concentration of cyclopropane at time t, [Cyclopropane]0 is the initial concentration of cyclopropane, k is the rate constant, and t is the time.
Plugging in the given values:
k = 3.36×\(10^−5 s^−1\) (given)
[Cyclopropane]0 = 0.0445 M (given)
t = 235.0 min = 14100 s (converted to seconds)
ln([Cyclopropane]t/0.0445) = -3.36×\(10^−5\) × 14100
ln([Cyclopropane]t/0.0445) = -0.5976
[Cyclopropane]t/0.0445 = \(e^-0.5976\)
[Cyclopropane]t = 0.0221 M
Therefore, the concentration of cyclopropane after 235.0 min is 0.0221 M.
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What is the maximum amount of NADPH that can be produced from 2 glucose molecules?
a) 6
b) 12
c) 24
d) 36
The maximum amount of NADPH that can be produced from 2 glucose molecules is 12. In glycolysis, one molecule of glucose is converted into two molecules of pyruvate.
This process generates two molecules of NADH. Each NADH molecule can then be converted into NADPH through the action of the enzyme NADP+-dependent dehydrogenase.
Therefore, from one glucose molecule, we can produce 2 NADPH molecules. Since we start with 2 glucose molecules, we can double this amount. Thus, the maximum amount of NADPH that can be produced from 2 glucose molecules is 2 x 2 = 4 NADPH molecules.
In addition to glycolysis, glucose can also enter the pentose phosphate pathway (PPP) where it is converted into ribose-5-phosphate and NADPH. In the oxidative phase of the PPP, each glucose molecule generates 2 NADPH molecules. Therefore, from 2 glucose molecules, the PPP can produce an additional 2 x 2 = 4 NADPH molecules.
Adding up the NADPH produced from both glycolysis and the PPP, we have a total of 4 NADPH + 4 NADPH = 8 NADPH molecules.
Therefore, the correct answer is b) 12, as we can produce a maximum of 12 NADPH molecules from 2 glucose molecules through the combined actions of glycolysis and the pentose phosphate pathway.
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When a neutral atom either loe or gain an electron, it become electrically charged and become a
When a neutral atom either lose or gain an electron, it become electrically charged and become an ion.
An ion is defined as an electrically charged particle produced by either removing electrons from a neutral atom to give a positive ion or adding electrons to a neutral atom to give a negative ion. During the formation of an ion, the number of protons does not change.
When an electron is lost from a neutral atom it becomes positively charged and a cation (positively charged) ion is formed. Similarly, when an electron is gained to a neutral atom it becomes negatively charged and anion (negatively charged) ion is formed.
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If you know only the following information can you always determine what the element is (yes/no)
Yes for instance.
once given the physical properties of the alkali metal you can be able to indicate the group and where you can find them in the periodic table. properties like it being soft and having relatively low melting point (Li, Na, K, RB, CS, Fr)
or once been said that it reacts with group 7 Elements that means we are quick to know it out of those elements.
now to answer your question specifically, if the information given upon says an element burns in air with a yellow flame. Then we are quick to say it's Sodium.
so yeah.
A student built a simple fan using an electromagnet, a permanent magnet, and a fan blade. When she connects the electromagnet to one battery, the fan blade turns. What would most likely happen if she connected it to two batteries?
The fan blade would turn faster.
The fan blade would turn slower.
The fan blade would not turn at all.
The fan blade would turn in opposite direction.
Answer:
The fan blade would turn faster
Explanation: