7. What volume of carbon dioxide gas, CO2, is produced when 7.00 L of propane gas, C3H8, undergoes complete combustion, as shown in your answer to question 6? Show all your work. (Answer in question 6:
C3H8 + 5O2 --> 3CO2 + 4H2O)

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.