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What is the formula for density of a gas?
What is the formula for density of a gas?
- Density = temperature × volume
- Density = pressure × volume
- Density = volume/mass
- Density = mass/volume (correct)
At STP, the volume of 1 mole of a gas is:
At STP, the volume of 1 mole of a gas is:
- 25.4 L
- 20.4 L
- 22.4 L (correct)
- 24.4 L
According to Dalton’s law of partial pressures, the total pressure exerted by a mixture of gases is equal to:
According to Dalton’s law of partial pressures, the total pressure exerted by a mixture of gases is equal to:
- The minimum partial pressure of the component gases
- The average of the partial pressures of the component gases
- The maximum partial pressure of the component gases
- The sum of the partial pressures of the component gases (correct)
When collecting a gas over water, the collected gas is referred to as 'wet' gas because it also contains:
When collecting a gas over water, the collected gas is referred to as 'wet' gas because it also contains:
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Applying Dalton’s law of partial pressures, what can be used to determine the pressure of a collected gas over water?
Applying Dalton’s law of partial pressures, what can be used to determine the pressure of a collected gas over water?
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