In an experiment, 1 mol of propane is burned to form carbon dioxide and water.

C3H8 + 502 3C02 + 4H20

1. How many moles of oxygen are needed for the reaction?

A 3 mol

B 1 mol

C 5 mol

D 10 mol

Which speed is at the sound barrier? 5 m/s 257 m/s 3.0 x 10⁸ m/s 343 m/s

Considering only the initial and final situations, identify which mechanical energies have changed. In addition, determine whether you will need to consider any work done by external forces or changes in thermal energy. A) Kinetic energy has changed.

Our solar system is located about 27,000 light-years from the galactic center. how far does our solar system travel in one orbit?

What should be the ending of the second element in a covalent compound? A.-ide B. - ium C. the prefix D. the subscript

What warm ocean currents keep the NC coast warm, even if it is winter

Moving a distal part of arms or legs to follow a circular path is:

Whats the difference between population density and population size?

Cody's car accelerates from 0m/s to 45 m/s northward in 15 seconds. What is the acceleration of the car?

Which of the following best illustrates chemical potential energy a dog Plane, gasoline gasoline, water moving down hill, a skydiver about to jump out of a plane

What are two ways to increase the acceleration of an object?