A sample of 5.0 g of hydrogen gas reacts with 5.0 g of oxygen gas. 2H2 (g) + O2 (g) → 2H2O(l)

a. What is the theoretical yield of water?

b. What is the limiting reactant?

c. What is the excess reactant?

d. How much excess reactant remains?

e. If 4.2 g of water is actually produced, what is the percent yield?

Is this a scientific model? use complete sentences to explain why or why not. a graphic organizer showing the water cycle

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light

How do you know when a chemical reaction has occurred