The 2 in the chemical formula N2 is

called a ...

subscript or

molecule

State the major primary pollutonts produce by human activity

A mixture of 50.0ml of ammonia gas and 60.0ml of oxygen gas reacts. If all the gases are at the same temperature and pressure, and the reaction continues till one of the gases is completely consumed.

What is the % (w/v) concentration of a solution containing 12 grams of solute in 400 ml of solution?

Why is NH3 considered a weak base?

Atomic mass of an element depends upon what

If a bat with a mass of 5 kg and acceleration of 2 m/s2 hits a ball whose mass is 0.5 kg in the forward direction, what is the reaction force of the ball on the bat? A) 0 N, forward B) 10 N, forward C) 10 N, backward D) 0.5 N, upward

Which statement best explains why heating a liquid affects its viscosity?

Calculate the ph of a 3.78*10-3 m solution of naf, given that the ka of hf = 6.80 x 10-4 at 25°c.

Now write the electron configurations of what would be the second row of the periodic table. assume this row is the 2s and 2p blocks of elements. what is the inert gas of this row?

Methane gas is burned