A tree uses gas A to produce gas B. An animal uses gas B to produce gas A. What is gas B in this cycle?

A. oxygen

B. nitrogen

C. carbon dioxide

D. carbon monoxide

Calculate the reaction enthalpy ΔrH when 1 mol of glucose is oxidized to acetic acid at 80°C. 2O2 (g) + C6H12O6 (s) →2CH3COOH (l) + 2CO2 (g) + 2H2O (l) Express your answer to four significant figures and include the appropriate units.

Explain the difference between heat and temperature. Does 1L of water at 65*F have more, less, or the same quantity of energy as 1L of water at 65*C?

Cyanide inhibits mitochondrial function as a result the rate of

What happens when a catalyst is added to a chemical reaction that is already in progress? the reaction reverses the reaction stops the rate of the chemical reaction decreases the reaction with the lower activation energy occurs

When writing a PSA, it is not necessary to brainstorm because you already have all of the information from your persuasive essay.

6. State the number of significant digits in each of the following measurements. (a) 1.00 cm

How do you boil water less than 100

What quantum numbers specify these subshells 5s 6p 4d?

What is the molarity of sucrose if 150.0 g is dissolved in 250.0 mL of solution

What are sister chromatids