Stirring will A. Increase a reaction B. Decrease a reaction C. Cause no change D. Create a catalyst

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.

Arecipe calls for 1.2 cups of oil. how many liters of oil is this?

Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?