Mg+I2=MgI2

a. How many moles of iodine, I2 will combine with 5.25 moles of Mg?
b. How many moles of MgI2 is produced by 4.25 moles of magnesium?

c.5.76 moles of magnesium will produce how many grams of MgI2?
d.359 grams of iodine I2 will produce how many moles of MgI2?

Which of these describes how heat is transferred by convection* a. sunlight travels through space without the aid of fluids or solids. b. warm air rises and takes the heat with it, eventually, it cools and sinks c. air at the equator rises and sinks at the poles. d. air molecules touch the warm ground, heating them up *not conduction