The chemical equation below summarizes cellular respiration. 6O2 + C6H12O6 à 6CO2 + 6H2O + energy The energy that is released by cellular respiration is in the form of dark energy. solar energy. nuclear energy. chemical energy.

The diagram below shows the movement of Earth plates. Which of these features is most likely formed as a result of the movement of Earth plates shown in the diagram? Select one: a. a fault b. a ridge c. a trench

Describe two tests that you can run to determine if something is a substance or a mixture.

Which of the following is not true as we move down a group of s and p-block elements in the periodic table

The volume and amount of gas are constant in a tire. The initial pressure and temperature are 0.8 atm and 296 K. At what temperature (in K) will the gas in the tire have a pressure of 2.2 atm?

The chemical reaction that occurs in a gas grill is the combustion of propane, C3H8. Write a balanced equation for this reaction. (Include states of matter.)

A typical hydrogen peroxide solution from a drug store is labeled as 3.0% hydrogen peroxide. what is the other 97% of this solution?

The pressure of an enclosed gas depends on

What is one way to speed up a chemical reaction without otherwise affecting the reaction? a. add a catalyst b. decrease surface area c. change the products d. change the reactants

Why is halleys comet part of our solar system?

Fluorine-18, which has a half-life of 110 min, is used in PET scans. a. If 100. mg of fluorine-18 is shipped at 8:00 a. m., how many milligrams of the radioisotope are still active after 110 min? b. If 100. mg of fluorine-18 is shipped at 8:00 a. m.