Question

A vessel contains 1.6 g of Oxygen gas at STP (273.15K, 1 atm pressure). The gas

is now transferred to another vessel at constant temperature, where pressure

becomes half of the original pressure. Determine: (6)

(i) volume of the new vessel.

(ii) number of molecules of Oxygen.

b. What is “rate of reaction”? How is it affected by surface area and temperature?

Explain in detail. ​

Answer 1

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