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temperatuee of the water in Kehin? a) 199x b) 30.60. c) - 166k d) 282K 19. 12.0 g of solid carbon reacts wich 406 of eiemental tydrepin to produte mahurat gas. How mach carbon and hydrogen are rieeded to make 100 . fe ef manumal cav? a) 75 of carban and 25g of hydecgen b) 25 i of carben and 75g of hydregen. c) 60g of carbon and 40g of hydrokth d) 80g of carbon and 20g of hydrogen. 20. An unknown piece of a metal veighirs 123g is placed in beikng water and after a tew minutes is plunged into 75 mL of water at 25 d 0 n. it the firal temperafure of the metal and water is 29.0 s. what is the specific heat capacity ef the metal? (Assume that the dechity of a) 0.141/82C b) 0.231/g1C c) 1.61/gC d) 3.61/8C 21. In the reaction The products are: a) Agsb HNOMial b) AgNO3 ad, NOij,H2Om c) AgNOyash, NOiat d) HNO3=H2O