H 2 + O 2 H 2 O How many moles of H 2 O are produced from 3 moles of oxygen ?

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

When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat