Forms of Energy Before You Read..

What do you think? Read the two statements below and decide

whether you agree or disagree with them: Place an A in the Before column

if you agree with the statement or a D if you disagree. After you've read this

lesson, reread the statements to see if you have changed your mind,

Before

Statement

After

1. A fast-moving baseball has more kinetic

energy than a slow-moving baseball

Key Cor

• What is

• What a

kinetic

• How is

work?

. What

of ene

2. A book sitting on a shelf has no energy.

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.

)benzene and toluene form nearly ideal solutions. consider an equimolar solution of benzene and toluene. at 20 °c the vapour pressures of pure benzene and toluene are 9.9 kpa and 2.9 kpa, respectively. the solution is boiled by reducing the external pressure below the vapour pressure. calculate (i) the pressure when boiling begins, (ii) the composition of each component in the vapour, and (iii) the vapour pressure when only a few drops of liquid remain. assume that the rate of vaporization is low enough for the temperature to remain constant at 20 °c.

8. what happens to matter during a chemical reaction