8. A sample of propane, CH was completely burned in air at SIP. The reaction occurred as shown below.
CH +0,43 CO, + 4H2O
If 67.2 liters of CO, were produced and all of the
carbon in the CO, came from the propane, what was
the mass of the propane sample?
(A) 11 grams
(B) 22 grains
(C) 33 grams
(D) 44 grams
(E) 55 grams

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

What is the value of keq for the reaction expressed in scientific notation?

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?