In the following reaction: H2O(l) + NH3(aq) → NH4+1(aq) + OH-1(aq), what is the conjugate base of H2O?

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

Given sno2 + 2h2 - sn + 2h20 tin oxide reacts with hydrogen to produce tin and water. how many moles of sno2 are needed to produce 500.0 grams of sn?

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?