XZXZ2T AS A Styrofoam cup containing 150.0 g of water started at 22.0°C. A
50.0 g sample of metal at 90°C was added to the Styrofoam cup, and
the temperature increased to 28.5°C. What is the specific heat of the
unknown metal? (water has a specific heat of 4.18 J/gC)​

If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.