How many moles of H20 are needed to produce 1 mole of O2 in the following equation? 2H2O + 2H2 + 102

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided

What is the most common reason for matter changing its state?

What is the average rate of the reaction between 10 and 20 s?