Calculate the energy needed to boil 4 moles of water beginning at 85C into steam with a final temperature of 100-C. Boiling point of water = 100°C
specific heat of water = 4.184 J/g*C
Enthalpy of vaporization of water = +40.7 kJ/mol

84 kJ
163 kJ
168 kJ

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?

What determines the average kinetic energy of the particles in a gas? a. the number of collisions b. the number of particles c. the size of the particles d. the temperature