Question

E. Calculate the following: -
2. A round bottom flask contains 200 ml of a gas at 27°C & 70 mm of Hg. Find the final pressure
when it is transferred in a conical flask of 75 ml capacity at a temperature of 57°C.
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Answer 1

Answer:

By the end of this section, you will be able to:

Use the ideal gas law to compute gas densities and molar masses

Perform stoichiometric calculations involving gaseous substances

State Dalton’s law of partial pressures and use it in calculations involving gaseous mixtures

The study of the chemical behavior of gases was part of the basis of perhaps the most fundamental chemical revolution in history. French nobleman Antoine Lavoisier, widely regarded as the “father of modern chemistry,” changed chemistry from a qualitative to a quantitative science through his work with gases. He discovered the law of conservation of matter, discovered the role of oxygen in combustion reactions, determined the composition of air, explained respiration in terms of chemical reactions, and more. He was a casualty of the French Revolution, guillotined in 1794. Of his death, mathematician and astronomer Joseph-Louis Lagrange said, “It took the mob only a moment to remove his head; a century will not suffice to reproduce