Author Question: The density of aluminum is 2.7 g/mL. This is equivalent to ________ kg/m3. A) 2.7 104 B) 2.7 ... (Read 73 times)

mwit1967 · **on:** Aug 27, 2018

The density of aluminum is 2.7 g/mL. This is equivalent to ________ kg/m3.

A) 2.7 104
B) 2.7
C) 0.27
D) 2.7 103

Question 2

Which of the following describes nitrogen fixation?

A) special bacteria converting nitrogen gas into ammonium ions
B) lightning causing nitrogen gas to react with oxygen gas and form nitrate ions
C) combustion of ammonia gas to produce nitrate ions
D) all of the above
E) A and B only