For the unbalanced equation, what is the coefficient for o2? ? c5h10 (l)+? o2 (g)→? co2 (g)+? h2o(g) a. 5 b. 10 c. 15 d. 6 e. 1

Reaction rate depends on how many molecules are coming into contact with each other with enough energy to react. increasing the temperature of the reactants will increase -

Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.

Which type of fossil does this image depict?