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Chemistry Questions

The questions he gave us becasue we didn't learn it yet

QuestionAnswer
If the temperature of a fixed quantity and volume of gas changes, what also changes? Pressure
If the temperature of a fixed quantity of gas decreases and the pressure remains unchanged, ... Its volume decreases
Suppose the temperature of the air balloon is increased. If the pressure remains constant, what quantity must change? Volume
A sample of gas collected at 750. mm Hg occupies 250. mL. At constant temperature, what pressure does the gas exert if the volume increases to 300. mL? 625. mm Hg
Oxygen in nitrogen is an example of which solute-solvent combination? gas-gas
A metal solution is a(n)... Alloy
A substance whose water solution conducts a current is a(n)... Electrolyte
Which of the following does NOT increase the rate of dissolving a solid in water? Using larger pieces of solid
Increasing the surface area between solute and solvent... Increases the rate of dissolution
Stirring increases the rate of dissolution because it... Brings fresh solvent into contact with the solute
The solubility of gases in liquids... Does not depend on pressure
As temperature increases, solubility of gases in liquids... Decreases
Created by: stasiarosalie
 

 



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