1. Calculate pH of the following acid/base solutions

a) 0.1M HNO3 (nitric acid)

b) 0.03M Ba(OH)2 (barium hydroxide)

c) 0.09mol H2SO4 (sulfuric Acid) in 300ml solution

d) 0.8 g NaOH (Sodium hydroxide 40g/mol) in 400ml solution

Given sno2 + 2h2 - sn + 2h20 tin oxide reacts with hydrogen to produce tin and water. how many moles of sno2 are needed to produce 500.0 grams of sn?

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.