How many moles of oxygen gas (o2) are required to react with 3.75 moles of ammonia (nh3) in the reaction 4nh3 + 5o2 → 4no + 6h2o?

Agas at 155 kpa and standard temperature has an initial volume of 1.00 l. the pressure of the gas rises to 500 kpa as the temperature also rises to 135°c. what is the new volume? 2.16 l 0.463 l 0.207 l 4.82 l

C3h8o3 - glycerol major species present when dissolved in water

Sulfuric acid is a polyprotic acid. write balanced chemical equations for the sequence of reactions that sulfuric acid can undergo when it's dissolved in water.