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45.30g of unknown material at 18.00C is olaced in a calorimeter containing 50.00go water at 97.50C. The final temperature of the combination is 91.20C. Ccal=6.80J/CCH2O=4.184J/gC

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45.30g of unknown material at 18.00C is olaced in a calorimeter containing 50.00go water at 97.50C. The final temperature of the combination is 91.20C. Ccal=6.80J/CCH2O=4.184J/gC What is the heat change for the water? qH2O=J Enter either a + or - sign AND the magnitude

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