21. Boyles law states that pressure is directly related to volume when all other

Question

21. Boyles law states that pressure is directly related to volume when all other variables are held constant? t/f 22. The use of an Ambu bag illustrates Boyles law? t/f 23. Daltons law of partial pressures would apply to a cylinder of mixed gases (eg. Oxygen and 24. Considering ideal gases, if all other variables are held constant, increasing temperature will 25. Considering the Ideal gases, if all other variables are held constant, increasing temperature will 26. Given the Ideal gas law PV-nRT, we can predict that increasing the number of moles will cause carbon dioxide)? t/f cause a decrease in pressure (e.g. Gay-Lussac's law) t/f cause an increase in volume (e.g. Charles Law) t/f an increase in pressure, assuming all other variables are held constant? t/f

Explanation / Answer

Ans 21

False

Boyle's law states that

pressure of an ideal gas is inversely proportional to its volume when all other variables are held constant.

Ans 22

True

On pressing the ambu bag, pressure increases and volume decreases as the gas goes out.

Ans 23

True

Dalton law

Total pressure of the gas mixture = sum of partial pressures of the components present in the mixture.

Total pressure = partial pressure of O2 + partial pressure of CO2

Ans 24

False

Gey-Lussac's law states that pressure is directly proportional to its absolute temperature for all other variables are held constant.

Increase in temperature will increase in pressure.

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