Chapter 5 : States of Matter (3rd hour)
Authored by SITI NUR AYISSAH SANUDIN
Chemistry
11th - 12th Grade
Used 4+ times
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3 questions
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1.
OPEN ENDED QUESTION
5 mins • Ungraded
A mixture of gases contains 0.1 mol of CO2 and 0.3 mol of O2. Calculate the partial pressures of the gases if the total pressure is 760 mmHg at a certain temperature.
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2.
OPEN ENDED QUESTION
5 mins • Ungraded
A sample of gas at 5.88 atm contains 1.2 g CH4, 0.4 g H2 and 0.1 g He. Calculate the partial pressure of CH4, H2 and He in the mixture.
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3.
OPEN ENDED QUESTION
15 mins • Ungraded
Consider the reaction: 2KClO3 → 2KCl + 3O2.
A sample of 5.45 L of oxygen is collected over water at a total pressure of 735.5 torr at 25°C. How many grams of oxygen have been collected? (at 25°C, the vapour pressure of water is 23.8 torr)
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