Science
10th Grade
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10 questions
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1.
FILL IN THE BLANKS QUESTION
20 sec • 1 pt
A tank (not rigid) contains 2.4 L of helium gas at 25℃. What will be the volume of the tank after heating it and its content to 41℃ temperature at constant pressure?
(a) a. This is an application of
(Boyle’s Law, Charles’ Law).
2.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
A tank (not rigid) contains 2.4 L of helium gas at 25℃. What will be the volume of the tank after heating it and its content to 41℃ temperature at constant pressure The unknown quantity in the problem is the
(volume, temperature, pressure) of the gas.
(a)
3.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
A tank (not rigid) contains 2.4 L of helium gas at 25℃. What will be the volume of the tank after heating it and its content to 41℃ temperature at constant pressure
The formula needed to solve the problem is
( 𝑃1𝑉1 = 𝑃2𝑉2,
𝑉1T1 = 𝑉2𝑇2 ).
(a)
4.
FILL IN THE BLANKS QUESTION
20 sec • 1 pt
A tank (not rigid) contains 2.4 L of helium gas at 25℃. What will be the volume of the tank after heating it and its content to 41℃ temperature at constant pressure
The temperature of the gas (decreases, increases).
(a)
5.
FILL IN THE BLANKS QUESTION
20 sec • 1 pt
A tank (not rigid) contains 2.4 L of helium gas at 25℃. What will be the volume of the tank after heating it and its content to 41℃ temperature at constant pressure
The volume of the gas (decreases, increases).
(a)
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Charles’ Law explains that at constant pressure, volume and temperature
A.are inversely proportional from each other
B.are directly proportional to each other
C. have the same value
d. has no relation at all
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A gas measures 350 mL at a temperature of 30℃. What temperature is needed to make the volume reduced to 150 mL?
a. 707 K
b. 13 K
c. 130 K
d. 70 K
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