If two substances react and the temperature of the mixture decreases, the reaction is Endothermic
Exothermic
Slowing down
Using a catalyst

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years

40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume

The table below shows the freezing points of four substances. substance freezing point (°c) benzene 5.5 water 0 butane –138 nitrogen –210 the substances are placed in separate containers at room temperature, and each container is gradually cooled. which of these substances will solidify before the temperature reaches 0°c? benzene water butane nitrogen