Which has the greatest number of molecules?
A) 28 g of nitrogen, N2
B) 32 g of oxygen, O2
C) 32 g of methane, CH4
D) 38 g of fluorine, F2
Answer: C
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Different layers of sedimentary rocks deposited over time are referred to as
A) veins B) strata C) seams D) beds
Compared to smaller clouds with small droplets, a big cloud with large droplets
A) absorbs more light. B) is darker. C) is more likely to produce rain. D) all the above E) none of the above
The pressure exerted by a gas is the result of __________
Fill in the blank(s) with correct word
The specific heat capacity of water is about twice the specific heat capacity of ice. The amount of heat required to raise the temperature of 1 kg of water 10°C is __________ times the amount of heat required to raise the temperature of 1 kg of ice 10°C
Fill in the blank(s) with correct word