What do the symbols tell you about the conditions
of the reactions shown to the right? Check all of
the boxes that apply

How does chemistry affect our world? a. chemicals makes our world more polluted. b. chemicals keeps us healthy. c. chemicals can or hurt our world. d. chemicals make our world safe to live in.

When the volume and number of particles of a gas are constant which of the following is also constant

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