Identify these reactions 2 Na + Cl 2  2 NaCl

CaCO 3  CaO + CO 2
Zn + HCl  ZnCl 2 + H2
S + O 2  SO2
Ag NO 3 + NaCl  AgCl + NaNO 3

4Fe + 3O 2  2 Fe 2 O 3
2HgO  2 Hg + O 2

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

Can someone me with 1 to 4 plz. fast

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light