What is the specific heat of NH3(l) if 120.0 joules are required to raise the temperature of a 4.50g sample of NH3(l) from -20.0 ℃ to 30.0 ℃.

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

What will most likely happen when two bromine atoms bond together?

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.