In a chemical reaction, 31.1 moles of H2 gas are produced. How many moles of H3PO4 reacted?
2 Cr(s) + 2 H3PO4(aq) + 3 H2(g) + 2 CrPO4(s)
Your
Answer
units

Which best describes why nh4+ can form an ionic bond with ci-?

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

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