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Cha-Ching
Questions and answers by visitors named
Cha-Ching
Questions (6)
A 47.5g sample of metal is heated to 300.0ºC and placed in a calorimeter containing 75.0g water at 22.0ºC. The final
2 answers
701 views
1.Calculate the enthalpy change (ΔHºrxn) for the following reaction: (The enthalpy of formation of aqueous sodium hydroxide is
2 answers
1,006 views
How much heat energy is needed to convert 125.0g of ice from -27.0ºC to a liquid at 50.0ºC?
3 answers
1,161 views
How much heat is lost by 65g of silver when it cools from 325ºC to -25ºC? (the specific heat of Ag(s) is 0.24 J/g ºC)
3 answers
427 views
How much heat energy is needed to convert 125.0g of ice from -27.0ºC to a liquid at 50.0ºC?
1 answer
879 views
How much heat is lost by 65g of silver when it cools from 325ºC to -25ºC? (the specific heat of Ag(s) is 0.24 J/g ºC)
1 answer
305 views
