A31.3cm diameter cylinder of nitrogen gas is 70cm long and at 534.48°c. the pressure gauge (as shown) reads 69.9 psi a) how many nitrogen atoms are in the cylinder? b) what is the mass of the nitrogen? c) what is the nitrogen molecule (n2) number density per unit volume? d) what is the gas's mass density?

Which of the following is a direct benefit of the use of assembly lines in production a. laws against theft fraud and coercion are needed to protect free choice. b. the government needs to plan efficient outcomes. c. competition among producers by itself cannot ensure a wide range of consumer choices. d. works pressure the government to guarantee minimum wages