Hydrogen and oxygen gas are mixed in a 7.75 L flask at 65 oC. If 0.482 grams of hydrogen and 4.98 grams of oxygen are present, what is the partial pressure of oxygen in the flask

What happens to energy in an open system?

What is the mass of sodium in 3 moles of sodium chloride

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