Assuming 50% efficiency, 150 kcals of chemical energy would result in of kinetic energy. A. 50 kcals B. 75 kcals C. 100 kcals D. 150 kcals Please select the best answer from the choices provided. A B C

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

Which is the solubility product expression for caf2(s)?  [ca2+]/[f–]2  [ca2+][f2–]  [ca]+[f]2  [ca2+][f–]2

What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2