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natali 33 [55]
3 years ago
5

A 6.0 L sample of nitrogen gas contains 0.50 mole of a gas. If enough gas is added to make a total of 0.75 moles at the same pre

ssure and temperature, what is the resulting total volume of the gas?
2.3 L
4.8 L
7.5 L
9.0 L
Chemistry
1 answer:
Rus_ich [418]3 years ago
3 0

Answer:

9.0 L.

Explanation:

  • To solve this problem, we should use the general gas law of ideal gas:

PV = nRT.

where,

P is the pressure of the gas in (atm).

V is the volume of the gas in (L).

n is the no. of moles of the gas (mol).

R is the general constant for gases (R = 0.082 L.atm/mol.K).

T is the temperature of the gas in (K).

  • Since the P, T and R are constants, the variables are V and n.

<em>∴ V₁n₂ = V₂n₁.</em>

V₁ = 6.0 L & n₁ = 0.50 mol.

V₂ = ??? L & n₂ = 0.75 mol.

∴ V₂ = (V₁n₂) / (n₁) = (6.0 L)(0.75 mol) / (0.50 mol) = 9.0 L.

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Answer:

ΔG = -6.5kJ/mol at 500K

Explanation:

We can find ΔG of a reaction using ΔH, ΔS and absolute temperature with the equation:

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