What is the source for geothermal energy?

biomass

earth’s internal heat

moving water

the sun

How many molecules of sucrose c12h22o11 are there in 454 grams of sucrose

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?