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ludmilkaskok [199]
3 years ago
8

A gas occupies 65 mL at a temperature of 92.4 °C. What is the volume at 87.6 °C?

Chemistry
1 answer:
Otrada [13]3 years ago
8 0

Answer:

64.15 mL.

Explanation:

  • We can use the general law of ideal gas: <em>PV = nRT.</em>

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 in mol.

R is the general gas constant,

T is the temperature of the gas in K.

  • If n and P are constant, and have two different values of V and T:

<em>V₁T₂ = V₂T₁</em>

<em></em>

V₁ = 65.0 mL, T₁ = 92.4°C + 273 = 365.4 K.

V₂ = ??? mL, T₂ = 87.6°C + 273 = 360.6 K.

<em>∴ V₂ = V₁T₂/T₁</em> = (65.0 mL)(360.6 K)/(365.4 K) = <em>64.15 mL.</em>

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