How much energy is associated with an infrared photon with a wavelength of 5.63 um? Report your answer in scientific notation using the provided boxes.

Ibeg i need 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.