HELP FAST + explain PLZ! The combustion of propane, CH3CH2CH3, proceeds according to the following chemical reaction: CH3CH2CH3 + 5O2 → 3CO2 +4H2O. What are the parent shapes of the two product molecules? The order does not matter. A) linear and octahedral

B) trigonal pyramidal and linear

C) trigonal pyramidal and tetrahedral

D) bent and tetrahedral

E) tetrahedral and linear

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

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate