How much energy is lost through carrying out life functions?

Calculate the number of molecules present in 0.750 mol of mgo.

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

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate