Questão 1
Questão
A 50 mL sample of a gas in a syringe at 15 C is heated to 50 C. Calculate the new volume of the hot gas.
Responda
-
56.1 L
-
0.056 L
-
3.222 L
-
10.543 L
Questão 2
Questão
A sample of oxygen occupies a volume of 160 L
at 91° C. What will be
volume of oxygen when the temperature drops to 0.00° C?
Questão 3
Questão
568 mL of chlorine at 25° C will occupy what volume at -25° C while the pressure remains constant?
Responda
-
0.352 L
-
0.473 L
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0.521 L
-
521 L
Questão 4
Questão
A 240 mL sample of argon gas at 270 K is cooled until the volume is 180 mL. What is the new temperature?
Responda
-
120.4 K
-
129.3 K
-
202.5 K
-
209.11 K
Questão 5
Questão
A container of oxygen with a volume of 60 L is heated from 300 K to 400 K. What is the new volume?
Questão 6
Questão
A helium balloon has a volume of 2600 mL when the temperature is 21ºC. What is the volume of the balloon when it’s placed in a freezer with a temperature of -15ºC?
Responda
-
3000L
-
2281 L
-
4546 L
-
0.1487 L
Questão 7
Questão
When a piston with a volume of 35 mL is heated from 25ºC to 323ºC it expands. Assuming the pressure on
the piston remains the same, determine the new volume of the cylinder
Responda
-
0.05 L
-
0.10 L
-
0.65 L
-
0.07 L
Questão 8
Questão
On hot days, you may have noticed that potato chip bags seem to "inflate", even though they have not been opened. If I have a 250mL bag at the temperature of 19 C, and I leave it in my car. When the bag reaches 60 C, what is its new volume?
Responda
-
0.285 L
-
0.210 L
-
0.333 L
-
0.485 L
Questão 9
Questão
A soda bottle is flexible enough that the volume of the bottle can change without even opening it. If you have an empty soda bottle (with a volume of 2L) at room temperature (25 C), what will the new volume be if you put it in your freezer (-4 C)?
Responda
-
1.90 L
-
1.1 L
-
1.73 L
-
1.81 L
Questão 10
Questão
This gas law only works if temperature is measure in [blank_start]Kelvin[blank_end] units.
Questão 11
Questão
A gas at 20.0˚C is increased to 40.0˚C, will its volume:
MAKE UP AN EXAMPLE PROBLEM TO TRY THIS PROBLEM BEFORE ANSWERING
Responda
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go up
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double
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stay the same
-
get smaller
Questão 12
Questão
A sample of O2 under 2.00 atm occupies 500 ml at 25.0˚C.
A) What volume will the sample occupy at 0.0˚C ?
B) What temperature will be needed to produce a volume of
100 ml ?
Responda
-
A. 0.46 L
B. 60K
-
A. 0.125 L
B. 60 K
-
A. 0.70 L
B. 120 K
-
A. 50 L
B. 45K
Questão 13
Questão
When temperature increases, volume will increase.
Questão 14
Questão
BOYLES LAW is [blank_start]inversely[blank_end] proportional
Questão 15
Questão
CHARLES'S LAW is [blank_start]inversely[blank_end] proptional