If you react 300 molecules of hydrogen and 200 molecules of oxygen, how many oxygen molecules will you have that do not engage in the reaction

What is the main component of the earths ancient atmosphere?

What is the function of the digestive system

A person has a height of 65 inches You want to find out the height of that person in centimeters. Which unit conversion would you use?

What is the main form of energy represented by each of the following? A spring is compressed. Oxygen bonds with carbon. An electron generates an electric field. A soccer ball rolls along the grass.

What does the kinetic theory say about the kinetic energy present in solids

True or false. The synthesis of giant molecules from components of repeating units is polymerization.

Which term names an environmental cost of fossil fuel consumption? A. cheap energy B. increased greenhouse gases C. renewable resource D. low pollution

Slowly heating butter in a pan until it changes from a solid to a liquid is an example of a physical change. True False

Action - reaction forces don't cancel each other. A. True B. False

An equilibrium is dynamic. True False