0.210 moles of a diatomic gas are in a piston. The gas does 185 J of work while 390 J of heat are added. What is the change in temperature? (Be careful with + and - signs. +W = expansion, +Q = added, +AU = temp goes up) (Unit = C or K)

Who was the first scientist to measure speed as distance over time?

4. now look at the green lines you created by connecting the three boiling point data points and the three melting point data points. for each of these lines, describe any trends you see. 5. locate the elements on your periodic table that you circled in green on your graph. what term or description would you use to identify these elements with respect to the periodic table? 7. using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers.

Friction removes energy from objects in motion. which statement best describes how this works? a) friction transforms ke into thermal energy b) friction transfers thermal energy to ke c) friction transforms te into pe d) friction transforms pe into ke e) friction transfers ke into pe