Over a period of four minutes, a total of 49,570 J of heat energy are transferred to a 875 g copper kettle by an electric stove. The temperature of the kettle increases from 25.0 °C to 173
°C. Assuming no energy is lost to the surroundings, calculate the specific heat capacity of
copper in J/g °C.

Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Which subshell is represented by the actinides family?