A. 24.5 g of ammonia NH3 = how many moles of ammonia? .b How many molecules of ammonia is that from 22.a.?

Rutherford's experiment indicated that matter was not as uniform as it appears what part of his experimental results implied this idea

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol