1-a 279 g sample of ethylene glycol a car radiator coolant, Chemistry

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1-a 279 g sample of ethylene glycol a car radiator coolant

1-A 27.9 g sample of ethylene glycol, a car radiator coolant, loses 680. J of heat. What was the initial temperature of ethylene glycol if the final temperature is 32.5°C (c of ethylene glycol = 2.42 J/gK)?

2-What is the enthalpy change when 31.0 g of water is cooled from 38.0°C to 4.70°C?

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Chemistry: 1-a 279 g sample of ethylene glycol a car radiator coolant

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Chemistry: 1-a 279 g sample of ethylene glycol a car radiator coolant

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