A balloon has a volume of 2500.0 mL on a day when the temperature is 30.0 °C. If the temperature at
night falls to 10.0 °C, what will be the volume of the balloon if the pressure remains constant?

Which of the following units is not an official si unit? mole liter kilogram ampere

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth