Is the following chemical equation and exothermic or endothermic reaction Mg + 2H20 - Mg(OH)2 + H2+ heat

What type of reaction is illustrated? 2c12o5 = 2cl2 + 502

How many miles of water are produced if 5.43 mol pbo2 are consumed

If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5