This equation indicates that the reaction gives off heat. What is this type of reaction called?

C3H8 + ? O2 → 3CO2 + 4H2O + heat

A.

synthesis reaction

B.

decomposition reaction

C.

endothermic reaction

D.

exothermic reaction

A food processor draws 8.47 A of current when connected to a potential difference of 110 V. a. What is the power consumed by this appliance?

Where is the fulcrum of a broom?

17. What is movig from the sound source to the sound reciever? O Particles O Wind O Energy

Which energy drives convection within the ocean

In which place does subduction occur? a. at transform boundaries b. where two plates move apart c. at most normal faults d. where two plates collide

Explain what happens to light when it is refracted at the surface of water.

A small car meshes with a large truck in a head-on collision. Which of the following statements concerning the magnitude of the momentum change during the collision is correct? (There could be more than one correct choice.

Consider the following distribution of objects: a 3.00-kg object with its center of gravity at (0, 0) m, a 4.20-kg object at (0, 6.00) m, and a 1.40-kg object at (1.00, 0) m. Where should a fourth object of mass 7.

A Volt/Amp Is Also Known As.?

What's the difference between mass & weight & how they are measured