How much energy is consumed by thawing 4.3 g ice?
O A. 4.3 g x 1 mol/18.02 g 6.03 kJ/mol
B. 4.3 g x 1 mol/18.02 g x 4.186 kJ/mol
C. 4.3 g x 1 mol/18.02g x 40.65 kJ/mol
D. 4.3 g x 1 mol/18.02 g * (-285.83) kJ/mol

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.

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?

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.