What is the energy released or absorbed as heat when one mole of a compound is produced by combination of its elements? select one:

a. heat of combustion

b. free energy

c. entropy

d. heat of formation?

How many moles of carbon dioxide are produced from 8.73 moles of tristearin?

Q3. (a) Is Magnesium stable before bonding? (1) Explain your answer: - - (b) Is Oxygen stable before bonding? (1) Explain your answer: - --

Give one example of solution which exist in gas state?

Astor Manufacturing stores hazardous and volatile chemicals in its warehouse. The warehouse has state of the art equipment to make sure the chemicals do not explode.

Which ion in each of the following pairs would you expect to be more strongly hydrated Why? ClO4 - or SO4-

When bismuth-212 undergoes alpha decay, it becomes which of the following? asatine-208 + an alpha particle lead-210 + an alpha particle polonium-210 + and alpha particle thallium-208 + and alpha particle

Why do we not currently use more renewable energy in the U. S.

Based on the kinetic molecular theory, which of the following statements is correct about the particles in a sample of gas? They have negligible kinetic energy. There is negligible force of attraction between them.

The greenish color of plant cells comes from a. the cell membrane b. chloroplasts c. ink

Describe what might happen to the water cycle if less solar energy reaches Earth and how Earths climate would be affected.