What is a mineral phase change? a. when a mineral melts from a solid state to a liquid state b. the exterior of a mineral weathers and changes color c. a mineral changes density because of the addition of water d. atoms in a mineral are rearranged into a more stable and denser structure?

Select the most likely product for this reaction: koh(aq) + co2(g) – ? k2co3(aq) + h2o(1) k(s) + h2(g) + o2(g) k(s) + co3(9) +h2

Which of the following characteristics are true of enzymes? check all that apply. a.)the structure of an enzyme can change if conditions change. b.)a single enzyme can normally catalyze a wide variety of reactions under many conditions. c.)enzymes are found only in nonliving systems. d.)enzymes allow living things to regulate body conditions through feedback mechanisms. e.)enzymes bind to specific substrates in specific ways. f.)enzymes increase the rate of reaction. g.)when shown in energy-reaction diagrams, enzymes represent the higher activation energy.

Ajar is tightly sealed at 22°c and 772 torr what is the pressure inside a jar after its been heated to 178°c