How to calculate the atomic mass of Cl

A prediction or statement that can be tested is

When a sky diver jumps out of a plane, the speed at which he or she falls to the ground continues to increase. What force is responsible for this increase in speed?

The temperature of 2.00 mol Ne (g) is increased from 25°C to 200°C at constant pressure. Assuming the heat capacity of Ne is 20.8 J/K·mol, calculate the change in the entropy of neon. Assume ideal gas behavior. a.+19.2 J/Kb.-7.68 J/Kc.+7.68 J/Kd.-19.

the hydroxide ion concentration in a sample of lemon juice is 1.9 x 10^-12 2.28 4.3 5.2 11.72 1.92 X 10^-12

If oxygen were substituted for krypton would the number of moles contained in a tank change?

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda