LT#2: P,V and T Relationships Flashcards
What are the conversion factors for changing one unit of pressure into another?
760 mm Hg = 760 torr = 1 atm = 101.3 kPa = 14.7 psi
Boyle’s Law states…
The volume and pressure of a gas are inversely related.
What conditions are necessary to use Boyle’s Law?
Temp and amount of gas must stay constant. Must have flexible container.
How do you convert Celsius into Kelvin?
Add 273
What happens to a sample when it reaches absolute 0?
The point at which the substance theoretically has no 0 volume and has no particle movement.
What conditions are necessary to use Charles’ Law?
Temp must be in Kelvin. Pressure and amount of gas must stay constant. Must have flexible container.
Charles’ Law states…
The volume and temperature of a gas are directly related.
Gay-Lussac’s Law states…
The pressure and temperature of a gas are directly related.
What conditions are necessary to use Gay-Lussac’s Law?
Temp must be in Kelvin. The volume and amount of gas must stay constant. Must have rigid container.
Standard Temp and Pressure (STP) equals…
0 Celsius, 101.3 kPa
Combined Gas Law is used in situations when….
More than 1 variable (V, P or T) change simultaneously.
Standard Ambient Temp and Pressure (SATP) equals…
25 Celsius, 100 kPa
When the temperature of a gas goes up, what will happen to its volume?
What Law is this?
Goes up
Charles’ Law
What conditions are necessary to use the Combined Gas Law?
Temp must be in Kelvins. Amount of gas must stay constant.
When the temperature of a gas goes up, what will happen to its pressure?
What Law is this?
Goes up
Gay-Lussac’s Law
