PLEASE HELP !?!?!!?1?A S A P!?!?!?! Calculate the average time for the tablet to dissolve in cold water. Record the average time in Table C.
Trial 184.00 Trial 289.00 Trial 385.00

What is the average time it took for the tablet to dissolve in cold water?

( ) seconds

What is the equilibrium constant of aa+bb=cc+dd

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

A5 mole sample of liquid acetone is converted to a gas at 75.0°c. if 628 j are required to raise the temperature of the liquid to the boiling point, 15.600 kj are required to evaporate the liquid, and 712 j are required to raise the final temperature to 75.0°c, what is the total energy required for the conversion?