11. How much magnesium reacts with 12.5g of oxygen to produce 31.5g of 5 points magnesium oxide?
a) 18.0g
b) 19.09
c) 20.0g
d) insufficient, data

Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town