Rutherford's atomic theory included which idea? a atoms are featureless and solid b electrons float around a nucleus that contains protons c atoms are composed of a positively charged sphere that contains electrons. d atomic structure is related to electricity

How does the image distance (di) of a convex lens compare with the image distance of a concave lens? a. the image distance of the convex lens is positive, and that of the concave lens is negative. b. both are negative for a virtual image. c. both are positive for a virtual image d. the image distance of the convex lens is negative, and that of the concave lens is positive.

Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star

If 2 moles of co_2 at 2l and 500k are expanded reversibly to 20l, more work can be obtained from an adiabatic process than from an isothermal process. is the above statement true or false?