What is the ratio of atoms of potassium to atoms of oxygen? A. 1:2
B. 2:1
C. 4:1
D. 1:4

Asystem containing an ideal gas at a constant pressure of 1.22×10^5 pa gains 2140 j of heat. during the process, the internal energy of the system increases by 2320 j. what is the change in volume of the gas?

The substances that are necessary for producing of certain hormones and that store and transport vitamins

Diego kicks a soccer ball from the end line. his fellow students time and mark the soccer ball as it moves down the field. the graph represents the ball's progress. based on the graph, during what time is the velocity constant and positive?