Water (h2o) is composed of the same elements as hydrogen peroxide (h2o2). why do these substances have different properties?

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?

Which process results in the release of energy stored in the products of photosynthesis? a. polymer synthesis b. depolymerization c. digestion d. cellular respiration

The molar mass of cu is 63.55 g/mol. the number of grams of cu produced in this reaction is