Can anything go faster than light?
A) No, special relativity forbids it.
B) No, general relativity forbids it.
C) Yes, space can expand at faster then lightspeed.
D) Yes, certain subatomic particles can move through space at faster than lightspeed.
E) Superman can.
Question 2
A jar holds 2.0 L of ideal nitrogen gas, N2, at STP. The atomic mass of nitrogen is 14.0 g/mol, the ideal gas constant is R = 8.31 J/mol K, Avogadro's number is NA = 6.022 1023 molecules/mol, and 1.00 atm = 101 kPa.
(a) How many moles of nitrogen are in the jar? (b) How many nitrogen molecules are in the jar? (c) What is the mass of the nitrogen in the jar?
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