Question 3
if the volume of a container is increased, the pressure of the gas in the con...
Question 3
if the volume of a container is increased, the pressure of the gas in the container also increases (when the amount of gas and temperature are held constant).
true
false
2 points save answer
question 4
to keep the pressure and temperature of a gas constant, the volume of the gas canister must remain constant as additional moles of gas are added.
true
false
2 points save answer
question 5
if the moles and temperature of a gas are held constant, changes in the pressure and volume of the gas will be inversely proportional.
true
false
2 points save answer
question 6
if the moles and temperature of a gas are held constant, the pressure of a gas doubles when:
volume is halved
volume is quadrupled
volume is doubled
volume is also held constant
3 points save answer
question 7
a bike tire contains a fixed amount of gas at a constant pressure. initially, the tire contains 4.00 iters of air at 26 degrees celsius. when the temperature drops to 22 degrees celsius, the volume of the bike tire will decrease to 3.95 liters.
true
false
2 points save answer
question 8
when using the ideal gas constant value, r = 0.0821, in an ideal gas law calculation, the units of temperature may be expressed as degrees celsius or kelvin.
true
false
2 points save answer
question 9
one mole of a gas has an initial pressure of 2.5 atmospheres, an initial volume of 12.0 liters, and an initial temperature of 150 kelvin. what is the final temperature of a gas if the volume and the pressure are doubled?
75 k
300 k
600 k
1200 k
3 points save answer
question 10
initially, a 4.0-liter compressible container of gas exerts a pressure of 2.08 atmospheres at a temperature of 275 kelvin. what is the pressure when the container is compressed to 2.5 liters and has a temperature of 323 kelvin?
1.5 atm
50 atm
3.9 atm
2.8 atm
Answers: 3
Chemistry, 22.06.2019 12:40, whitethunder05
When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign
Answers: 2
Chemistry, 22.06.2019 15:30, vivianfling
Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium
Answers: 1
Chemistry, 23.06.2019 08:00, vetterk1400
Drag each pressure unit with the corresponding number to describe standard atmospheric pressure
Answers: 1
Chemistry, 23.06.2019 10:10, Kennethabrown09
In a covalent bond, two atoms are held together by the attraction between . the number of covalent bonds that an atom can form depends on the number of in the atom.
Answers: 2
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