What must products equal in a chemical reaction? A:atoms B: elements C: molecules D: reactants

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer

Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.