Given the two half-reactions, what must be done in the next step before the reaction can be balanced?
                                                                                                                    
how many electrons are produced/used in this redox reaction when it is balanced?

2

3

6

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

Is powdered sports drink ionic or covalent ? 10pts !

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?