Aperson with a body temperature of 37°c holds an ice cube with a temperature of 0°c in a room where the air temperature is 20°c. the direction of heat flow is

The point along a planet's orbit where it is closest to the sun is called the

In an exothermic reaction at equilibrium, what is the effect of lowering the temperature? a. the reaction makes more products. b. the reaction makes more reactants. c. the reaction is unchanged.

The process by which liquid water changes into water vapour is called what ?