The volume of a sample of a gas is 1.0 liter at STP. If the pressure remains constant and the temperature is raised to 546 K, the new volume of the gas will be

A gas occupies 1.0 L at STP. If the temperature is raised to 546 K, the volume increases to 2.0 L.

The volume of a sample of a gas is 1.0 L (V₁) at standard temperature (T₁ = 273.15 K) and standard pressure (1 atm).

If the pressure remains constant and the temperature is raised to 546 K (T₂), we can calculate the new volume (V₂) using Charles' law.

A gas occupies 1.0 L at STP. If the temperature is raised to 546 K, the volume increases to 2.0 L.

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2 L is the new volume

Explanation:

We can apply the Ideal Gases Law to solve the problem.

At STP, we kwow that 1 mol of gas occupy a volume of 22.4 L

Then, how many moles do we have in 1 L?

Let's do it by a rule of three:

(1L . 1 mol) / 22.4L = 0.0446 moles

These moles are at 1 atm and 273 K of temperature, so let's change our conditions.

P . V = n . R .T

1 atm . V = 0.0446 mol . 0.082 L.atm/mol K . 546 K

V = 2 L

If we pay attention, we can notice that, if we double temperature, we double the volume.

a. energy is absorbed in the reaction.

if in a given reaction the energy of products is greater than the energy of reactants it means that reaction is endothermic and during the reaction, the energy is absorbed by reactants. in an endothermic reaction, the products have more stored chemical energy than the reactants. and in this reaction the reactants are more stable than products before the compounds with less energy are always more stable.