Physics Check By Mr. Garry
- 1.
Which of the following is related to the PRESSURE of GAS?- A.
Spaces between molecules
- B.
Average speed of molecules
- C.
Collision of molecules with container
- 2.Boyle's Law states that at constant temperature, the pressure of gas is INVERSELY PROPORTIONAL to its volume.
- A.
True
- B.
False
- 3.
What does the experiment tell us?
- A.
At constant volume, the pressure decreases as temperature increases.
- B.
At constant volume, the pressure increases as temperature increases.
- C.
As temperature increases, the volume and pressure increase too.
- 4.
The balloon expands when heated and shrinks when cooled as presented in the diagram. Which gas law explains this?
- A.
Volume isinversely proportional to Pressure
- B.
Volume is directly proportional to Temperature
- C.
Pressure is directly proportional to Temperature
- 5.At constant temperature, the pressure of a gas is 200,000 Pa when its volume is 1 Liter. What becomes of its volume if the pressure decreases to 100,000 Pa?
- A.
0.5 Liter
- B.
1 Liter
- C.
2 Liters
- D.
4 Liters
- 6.Check all the descriptions of an IDEAL GAS.
- A.
Molecules are spherical and very small.
- B.
Molecules have attractive forces.
- C.
Molecules stick together when they collide.
- D.
Molecules are in rapid random motion.
- 7.
The image shows an extrapolated graph of volume and temperature in Celsius. The value -273 degrees Celsius is also called as _________________.
- 8.The room temperature is 25 degrees Celsius. In Kelvin scale, this is closest to ________.
- A.
258
- B.
262
- C.
273
- D.
298
- 9.An ideal gas has an initial volume of 30 Liters at 500 Kelvin. What would be its new volume when the temperature is raised to 1500 Kelvin? Assume constant pressure.
- A.
10 Liters
- B.
30 Liters
- C.
90 Liters
- D.
150 Liters
- 10.Which graph below shows the relationship between volume and pressure of gas at constant temperature?
- A.
Option
- B.
Option
- C.
Option
- D.
Option
- 11.Given the number of moles (N) and the gas constant (R), how is the ideal gas law written as an equation?
- A.
PT = NRT
- B.
PR = NVT
- C.
PV = NRT
- D.
PV = NR / T
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