explain the two driving forces acting on an ion for its movement in or out of a cell.considering only these two forces,under what circumstance will na move out of a cell and k move into a cell against their concentration gradients?*

Answer:

NH3

Explanation:

The formula for ammonia gas is NH3. Its appearance is a colorless gas.

Ammonia gas is formed by the balanced chemical reaction between nitrogen and hydrogen elements. The balanced chemical equation for the formation of ammonia gas is as follows:

                       N2+3H => 2NH3

So, Nitrogen and Hydrogen are present in the ration of 2:6 or 1:3.

Answer:

lol

Explanation: lol

A) If, the pressure is 10.0 atm, the temperature in the 2.50 L container filled with 175 g of argon is approximately 57.3 K. B) If the temperature is 225 K, the pressure in the 2.50 L container filled with 175 g of argon is approximately 79.1 atm.

Firstly, we can use the ideal gas law equation;

PV = nRT

Where;

P = pressure (in atm)

V = volume (in liters)

n = number of moles of gas

R = ideal gas constant (0.0821 L·atm/mol·K)

T = temperature (in Kelvin)

Given;

V = 2.50 L

m (mass of argon) = 175 g

P = 10.0 atm

First, we need to calculate the number of moles of argon using the given mass and the molar mass of argon.

The molar mass of argon will be approximately 39.95 g/mol.

Number of moles (n) = mass/molar mass

n = 175 g / 39.95 g/mol

n ≈ 4.38 mol

Now, we rearrange the ideal gas law equation to solve for temperature (T);

T = PV / (nR)

Substituting the given values, we have:

T = (10.0 atm) × (2.50 L) / (4.38 mol × 0.0821 L·atm/mol·K)

Calculating this expression, we find;

T ≈ 57.3 K

Therefore, if the pressure is 10.0 atm, the temperature in the 2.50 L container filled with 175 g of argon is approximately 57.3 K.

Given;

T = 225 K

To find the pressure (P), we rearrange the ideal gas law equation as follows;

P = nRT / V

Substituting the given values, we have:

P = (4.38 mol × 0.0821 L·atm/mol·K × 225 K) / (2.50 L)

Calculating this expression, we find:

P ≈ 79.1 atm

Therefore, if the temperature is 225 K, the pressure in the 2.50 L container filled with 175 g of argon is approximately 79.1 atm.

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--The given question is incomplete, the complete question is

"A 2.50-L container is filled with 175 g argon. a. If the pressure is 10.0 atm, what is the temperature? b. If the temperature is 225 K, what is the pressure? "--

just bring the numbers up and down so there are the same numbers of each element on each side.

on this one i would bring the O2 on the left to 1, bring the right side to 2 so there are 2 oxygens on each side, and because the right side now has 4 hydrogens when you brought up the oxygen, bring the number in front of H2 on the left to 2.

the answer should be 2,1,2

The balanced chemical equation should obey the law of conservation of mass that the number of atoms of each element on both sides should be equal.

2H₂  +  O₂ →  2H₂O

The chemical equation of reaction in which the number of atoms of each element is equal on either side of the arrow is known as a balanced chemical equation.

A chemical equation is the expression of a chemical reaction in terms of symbols and coefficients of the substances. A chemical equation contains reactants participating and products forming in the chemical reaction.

The given chemical equation of the formation of water from hydrogen gas and oxygen gas is:

H₂  +  O₂ →  H₂O

To balance the above equation multiply the hydrogen gas on the reactant side by 2 and multiply the water by 2 on the product side.

2H₂  +  O₂ →  2H₂O

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Answer:

The answer is

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

\(volume = \frac{mass}{density} \)

From the question

mass of substance = 28.6 g

density = 3.91 g/cm³

The volume is

\(volume = \frac{28.6}{3.91} \\ = 7.31457800\)

We have the final answer as

Hope this helps you

Answer:

1120 mm Hg

plus give brainliest

Answer:

The volume would be 56 L of gas

Explanation:

Answer:

50.37L or 50.4L

Explanation;

= ( 22.4 dm³ × 2.25 moles ) ÷ 1 mole

                                            = 50.4 dm³                   1dm³ = 1 L

An increase in temperature will shift the position of the equilibrium toward the products.

In an exothermic reaction, heat is released as a product. According to Le Chatelier's principle, when a system at equilibrium is subjected to a change in temperature, it will shift in a direction that opposes the change. Since the reaction is already exothermic in the forward direction, an increase in temperature represents an external addition of heat. To counteract this increase in temperature, the equilibrium will shift in the endothermic direction, which is towards the products.

This shift helps to absorb the excess heat and restore equilibrium. Therefore, the increase in temperature will shift the position of the equilibrium toward the products.

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Answer:

A). Trial 1, because the average rate of the reaction is lower.

Explanation:

The first sentence elaborates that 'trial 1 had a lower level of concentration of the reactant that eventually led the reaction's average rate to fall.'

A trial having a higher level of concentration of a specific reactant will cause the concentration's average rate to rise. As per the graph provided, trial 2's average reaction rate is higher which shows that its concentration is greater and more reactive. However, the opposite happens in trial 1 where the amount of reactant is lesser in the concentration that leads the concentration to possess a lower rate of reaction. Thus, option A is the correct answer.

Answer:

B.

Explanation: hope this helps

Benzene

Answer:

that is impossible. the atomic number can only go up each group

Formation of phosphate derivatives activates monosaccharides and gives polysaccharide formation a favorable free energy change. The correct option is (a)

A monosaccharide is a single sugar molecule that is used as the primary source of energy for the human body.

Polysaccharides are complex carbohydrates composed of multiple monosaccharide units. They can be branched or linear and are primarily found in plant cells.

A compound that is derived from another is known as a derivative. It's formed by replacing a group or part of a molecule with another, resulting in the formation of a new chemical entity.
For example, a functional group, such as an amino group, hydroxyl group, or carboxyl group, can be attached to the basic structure of a molecule to create a derivative.

Inorganic phosphates and phosphoric acid are found in phosphate derivatives. The phosphate group is connected to the sugar, giving rise to a phosphoester bond.

Phosphate derivatives play a significant role in polysaccharide formation. They activate monosaccharides and provide a favorable free energy change. They also assist in the synthesis of glycosidic bonds. Because of the presence of the phosphoester bond, these polysaccharides are referred to as phosphopolysaccharides. The phosphates in phosphopolysaccharides also help to regulate certain biochemical processes within the body.

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In the given reaction  ₉₆²⁴⁶Cm + ₆¹²C ---> 4 ¹on + X  it shows an example of an artificial transmutation reaction.

An artificial transmutation reaction may resemble this. The method of causing nuclear reactions by blasting atomic nuclei with high-energy particles like ions or neutrons is referred to as artificial transmutation.

In this instance, the transmutation is induced by bombarding the carbon nucleus (C) with additional particles or a high-energy beam, resulting in the production of the following products: Element X and 4 1on (Helium-4)

Blasting an element with a basic particle, an element can be artificially transmuted into a different element.

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Answer:

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

\(n = \frac{N}{L} \\\)

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

\(n = \frac{2.41 \times {10}^{24} }{6.02 \times {10}^{23} } \\ = 4.00322...\)

We have the final answer as

Hope this helps you

LiCl is 89.8 g dissolved.

NaNO3 has the highest solubility.

The amount of a substance that can dissolve in a specific solvent at a specific temperature and pressure is referred to as its solubility. Experimentally, the solubility of a material can be determined by combining it with a fixed amount of solvent in a known amount and then measuring the concentration of the solute in the resulting solution.

In order to measure a substance's solubility, units such as grams of solute per liter of solvent (g/L) or moles of solute per liter of solvent (mol/L) are typically used.

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Answer:

All atoms of chlorine (Cl) have 17 protons, but there are chlorine isotopes with 15 to 23 neutrons

Explanation:

Although all atoms of an element have the same number of protons, individual atoms may have different numbers of neutrons. These differing atoms are called isotopes.

hope it is useful mark it as brainlist answer

EVAP.1 - Evaporation: In a 3-effect-evaporation process, multiple evaporators are used in series to progressively concentrate a liquid solution by removing the solvent through evaporation.

Typically, the process involves three evaporators arranged in series, with the first evaporator operating at the lowest pressure and temperature, and the last evaporator operating at the highest pressure and temperature.

The vapor generated in the first evaporator is condensed and used as the heating medium in the second evaporator. Similarly, the vapor generated in the second evaporator is condensed and used as the heating medium in the third evaporator.

EVAP.2 - Preheating with Last Evaporator Vapor:

In a 3-effect-evaporation process, it is indeed possible to use the vapor generated in the last evaporator to preheat the incoming solution fed to the first evaporator. This is commonly known as "forward feed" or "forward flow" configuration.

The vapor from the last evaporator, which is at the highest temperature and pressure, can be condensed and used as a heat source for the incoming solution in the first evaporator. .

The preheating of the ingoing solution with the vapor from the last evaporator helps in achieving energy efficiency and overall process optimization. It allows for better heat integration within the system and reduces the overall energy consumption of the evaporation process.

In conclusion, in a 3-effect-evaporation process, it is possible to use the vapor generated in the last evaporator to preheat the ingoing solution fed to the first evaporator, thereby maximizing energy efficiency and optimizing the evaporation process.

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Answer:

X is oxygen and y is corban dioxide

Explanation:

glucose+oxygen=carbon dioxide+water+energy is the proces of cellular respiration

From the equation; there are three particles in solution.

The term freezing point is the temperature at which a liquid substance is converted to solid. We know that this is colligative property thus it depends on the number of particles in solution.

The dissolution of K₂S gives us;

K₂S(s) ----> 2K^+(aq)  + S^2-(aq)

This implies that there are three particles in solution.

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The precipitate in the reaction between MgCl2 (aq) and 2NaOH (aq) is Mg(OH)2 (s).

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Answer:

3

Explanation:

Answer:

30

Explanation:

I believe it's 30 because half of 24 is 12 and that is its half life. And as you know it took 30 minutes to get there.

Answer:

The balanced chemical equation for the combustion of propane is: C3H8(g)+5O2(g)→3CO2(g)+4H2O(g).

Explanation:

Answer:

chemical reaction if that is answer

Explanation:

The intermediates in the oxidation pathway from methane to carbon dioxide, with additional bonds to oxygen added at each stage, are methanol, formaldehyde, and formic acid.

The oxidation pathway involves a series of intermediate compounds where additional bonds to oxygen are added at each stage. The pathway can be summarized as follows:

1. Methane (CH₄): Methane is a hydrocarbon consisting of one carbon atom bonded to four hydrogen atoms. It is the initial compound in the oxidation pathway.

2. Methanol (CH₃OH): In the first step of oxidation, methane is converted to methanol by the addition of one oxygen atom. The reaction is catalyzed by enzymes called methane monooxygenases (MMOs) in certain bacteria and other microorganisms.

3. Formaldehyde (CH₂O): Methanol is further oxidized to formaldehyde by the addition of another oxygen atom. This reaction is catalyzed by enzymes known as formaldehyde dehydrogenases.

4. Formic Acid (HCOOH): Formaldehyde is oxidized to formic acid, also known as methanoic acid, by the addition of a third oxygen atom. This reaction is catalyzed by enzymes called formaldehyde dehydrogenases.

5. Carbon Dioxide (CO₂): Finally, formic acid undergoes complete oxidation, resulting in the formation of carbon dioxide and water. This reaction typically occurs in several steps, involving multiple enzyme-catalyzed reactions in organisms like humans, where formic acid is a metabolic intermediate.

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Answer:

I DONT KNOW SORRY

Explanation:

Answer:

Iodine-131 is more likely to undergo beta decay than positron decay.

A water-cooled condenser must have the water flowing over it continuously to function. The water must enter through the bottom port and exit through the top port for this to occur.

What is condenser?

A device or component used to condense vapor into liquid is a condenser (heat transfer). HVAC air coils are an example of specific sorts. Condenser (laboratory), a group of glassware used in laboratories to cool fluids.

The condenser's job is to take the high-pressure gas coming from the compressor and turn it into a liquid. By using the idea that heat will always travel from a warmer to a cooler substance, it accomplishes this.

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Answer:

Excellent question

Explanation:

In order to clarify the hypothesis it is important

Answer:

False

Explanation:

a human can't be measured in negatives

Answer:

pOH = 1.3, pH = 12.7

Explanation:

Since NaOH is a strong base, it will completely ionize; further, since it completely ionizes, our hydroxide concentration (a product of the ionization) will be the same as the given concentration of NaOH.

NaOH -> Na⁺ + OH⁻, [OH⁻] = 5.0 x 10^-2 M

pOH is the negative log of the hydroxide concentration, so plug our hydroxide concentration in:

pOH = -log[OH⁻] = -log[5.0 x 10^-2 M] = 1.3

Since pH + pOH = 14, we can plug in pOH and solve for pH:

pH + 1.3 = 14

pH = 14 - 1.3 = 12.7

Thus, our pOH = 1.3 and pH = 12.7.