nitrogen gas and oxygen gas can combine to produce nitric oxide, NO. If such a reaction absorbs 88.0 kJ of energy from the surroundings, how many grams of nitrogen gas do you lredict were consumed in the reaction?

Problem page gaseous ethane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water . if of water is produced from the reaction of of ethane and of oxygen gas, calculate the percent yield of water. be sure your answer has the correct number of significant digits in it.

Which of the four hypothetical substances you investigated would be most harmful to living organisms? 50 points!

Is it safe to take 450mg of diphenhydramine hydrochloride?