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STALIN [3.7K]
2 years ago
12

A sample of gas occupies 7.80 liters at 425°C? What will be the volume of the gas at 35°C if the pressure does not change?

Chemistry
1 answer:
balandron [24]2 years ago
4 0
From ideal gas equation PV = nRT, V/T = nR/P ==> V/T = constant. Therefore V1/T1 = V2/T2 ==> 7.8/698 = V2/308. V = 3.44L {TEMPERATURE IN KELVIN = 273 + 425 AND 35 = 698 AND 308}
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Formula:

Q = m.c. ΔT

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ΔT  = 129 °C

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c = 499.2 j / 29.5 g. 129 °C

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c = 0.13 j/ g.°C

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