Chemistry - Ideal Gas Question with Solution | TestHub
ChemistryIdeal GasIdeal Gas Equation & problemsMedium2 minQB
ChemistryMediumsingle choice
Passage / Comprehension
Chemical explosions are characterised by the instantaneous release of large quantities of hot gases, which set up a shock wave of enormous pressure (up to 70,000 atm) and velocity (up to 32,000 km/h). For example, explosion of nitroglycerine (C3H5N3O9) releases four gases A, B, C and D.
n C3H5N3O9 → a A(g) + b B(g) + c C(g) + d D(g)
Assume that the explosion of 1 mol of nitroglycerine releases gases with a temperature of 1727°C and a volume of 2.9 l at 410.5 atm pressure.
How many moles of hot gases are released by the explosion of 0.04 mole of nitroglycerine?
Options:
Answer:
B
Solution:
Per mole of nitroglycerine, n = PV/RT = 410.5 × 2.9/(0.0821 × 2000) = 7.25 mol of gas. For 0.04 mol: 7.25 × 0.04 = 0.29 mol. Hence (b).
Stream:JEESubject:ChemistryTopic:Ideal GasSubtopic:Ideal Gas Equation & problems
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