Convert 95 kPa to mmHg

How has the scientific community addressed the safety of chemicals? a. chemicals are repeatedly tested, even those that have existed for a long time. b. existing chemicals are tested if they have never been tested before. c. chemicals are tested if they are suspected to have caused a problem. d. only new chemicals are tested.

Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming

H2so4(aq) + mg(s)—> mgso4(aq) +h2(g) which substance is the acid in the reaction?