When 711 j of heat is added to a 41.1 g of an unknown metal, the temperature of the metal increases from 22oc to 94oc. calculate the specific heat of this metal

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

Can someone me with questions 12 and 13 plz.

Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant