Crossword
Across
- 4. Complex molecules made up of long chains of amino acids which are compounds of carbon, hydrogen, oxygen, and nitrogen.
- 5. ________ rate is dependent on several factors, namely, nature of reactants, temperature, and concentration.
- 7. A polysaccharide that does not provide the body with energy or nutrients.
- 9. Hormone that moves glucose from the blood stream into the cells.
- 11. It is the total heat absorbed in a process at constant pressure if only pressure-volume work is done.
- 12. The symbol w represents the ________ performed by the system or on the system.
- 14. A ________ equation is a statement of the chemical change and the energy change that accompanies the change.
- 18. ________ is the enthalpy shift that occurs when one mole of a chemical is produced from its standard state constituents.
- 19. A substance's constant volume heat capacity is also known as its ______ heat capacity.
- 20. The study of energy alterations that coincide with matter's chemical reactions.
Down
- 1. Energy required to raise the temperature of one gram of a substance by one degree Celsius is referred to as its heat capacity.
- 2. Increase in ________ increases reaction rates.
- 3. Time required to decrease the reactant concentration to one-half of the initial value.
- 6. An ________ reaction is characterized by a negative ∆U.
- 8. ________ is the study of the energy changes that accompany all processes, whether chemical or physical.
- 10. The ________ theory explains the effects of temperature and concentration on reaction rate.
- 13. The setup used to determine energy change during a reaction.
- 15. Substances that change the speed of a reaction without causing permanent changes.
- 16. Chemical and physical changes that occur with the absorption of energy are ________ processes.
- 17. Amount of thermal energy in a system per unit temperature that cannot be used for practical work.