Gas Laws Flashcards
What does 1 mole of sodium and 1 mole of magnesium have in common?
Each has the same number of atoms
What is the standard temperature and pressure for a gas ?
0^C and 1 atm
Which is the highest pressure ?
A. 53 atm B. 25 psi C. 40 kpa D. 760 mmHg E. 400 mmHg F. 101.3 psi
A
When the volume of a gas is INCREASED the pressure will _____, if the temperature is unchanged
Decrease
When the pressure on a gas is INCREASED the temperature will _____, if the volume is unchanged
Increase
In THEORY, has molecules are in constant motion. Which is NOT TRUE?
A. They move faster with more energy
B. The motion is random
C. They stick to each other
D. When compressed they are closer
C
Which is NOT considered a standard pressure?
A. 273 psi B. 14.7 psi C. 760 mmHg D. 101.3 kpa E. 1 atmosphere
A
Carbon has 2 isotopes having masses of 12 and 14. However, the average atomic mass for carbon is 12.01 amu. Why?
C-12 is more abundant than C-14
When the temperature on a gas in INCREASED the volume will _____, if the pressure is unchanged
Increase
In one mole of water there would be _____ molecules of water
6.02 • 10 ^23
What is an example of diffusion ?
The odor of perfume spreading throughout a room
What is the correct formula for potassium nitride ?
K3N
To what temp does oxygen go to when it starts at room temp (22^C) and its volume is changed from 50mL to 5 mL?
29.5K
If a 400mL flexible container of nitrogen is cooled from 100^C to 50^C, what will its new volume be?
346.4 mL
What is the new volume of a balloon that was filled with 10L of air at 14.7 psi when it is changed to 29.4 psi?
5L
