How many moles of Hydrogen do you need, if you have 7.8 mol of Nitrogen? N2 + 6H2 → 2NHO
A.1.3 mol H2
B.2.63 mol H2
C.23.17 mol H2
D.46.8 mol H2

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?

Which of the following are correct values for the ideal gas laws constant r

Five different substances are given to you to be dissolved in water. which substances are most likely to undergo dissolution in water? check all that apply. view available hint(s) check all that apply. sodium fluoride, naf octane, c8h18 propanol, ch3ch2ch2oh potassium iodide, ki benzene, c6h6