1Mg + 2H20 --> Mg(OH)2 + H2 What volume of hydrogen will be produced at STP by the reaction 67.3 g of
magnesium?

A- 62.0L
B-0.12L
C - 2.77 L
D - 1.15L

Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e

Calculate the number of molecules present in 0.750 mol of mgo.

Earth's axis of rotation is tilted at an angle of 23.5 degrees. what is one change you would see on earth if its axis was not tilted?