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)

The skeletal system performs a variety of functions that are crucial to maintaining life processes. what function is performed in the bone marrow, but not in the ossified bones of the skeleton? a oxygen transportation c mineral storage b. muscle attachment d red blood cell production

Which atom or ion is the largest? 0 a. 0 0 0 0 e. li

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.