Which equation is correctly balanced? a.) CaO + 2H O → Ca(OH) 2 2 b.)NH + 2O → HNO + HO 3 2 3 2 c.)Ca(OH) + 2H PO → Ca (PO ) + 3H O 2 34 342 2 d.)Cu + H SO → CuSO + H O + SO 24 42 2

What is the relationship of air masses and the temperature of oceans?

Draw any one of the skeletal structures of a 2° alkyl bromide having the molecular formula of c6h13br and two stereogenic centers. indicate chirality by using wedge and hashed wedge notation. lone pairs do not need to be shown.

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.