2H2 + O2 → 2H2O 5.0 L of oxygen gas are mixed with excess hydrogen gas to form water. What is the theoretical yield, in grams, of water that can be produced?

g H2O

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?

Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?

Word equation for k(s) +h2o(l) yield koh (aq) + h2