Calculate the distance a cyclist would travel in 5.00 hours at an average velocity of 24.0 km/h to the southwest.

a
4.8 m/s
b
120 km/h
c
4.8 km/h
d
120 m/s

Endeleev saw trends in the physical and chemical properties of elements when he organized them by

An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?