If a snack cake contains 450 food calories and Carla
is able to burn 250 calories by running for one-half an hour, how long must she run to completely burn off the snack cake?

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.

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

A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?