two moles of methanol combine with 3 moles of oxygen to produce 2 moles of carbon dioxide, 4 moles of water, and 1527.36 kj of heat. which of the following is the correct thermochemical equation to show the standard molar enthalpy of combustion

Complete the table for ion charge based upon their losing or gaining electrons in the outer shell. (use the periodic table as necessary.) group most likely ionic charge # of valence electrons i +1 ii +2 iii +3 iv +4 or -4 v -3 vi -2 vii -1 viii 0

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

1. list three scientific reasons cockroaches may fly.