Asample of 1.8 grams of z is dissolved into 500 grams of water which is in a styrofoam coffee cup. the temperature is monitored and is found to rise from 23.944◦c to 24.44◦c. what is ∆hsolution for substance z? assume no heat is lost/gained by the cup itself. the specific heat of water is 4.184 j/g· ◦c and the molecular weight of z is 134 g/mol. answer in units of kj/mol of z.

Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?