A sample of nitrogen gas (N2) containing 1.5 x10^23 particles has the same number of particles as a sample containing:

A.

0.50 moles Ne

B.

2.0 moles He

C.

1.0 moles hydrogen gas

D.

25 moles oxygen gas

Two things that biomedical has invented or innovated

Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude