If the specific heat of water is 4.18J/g°C, how many joules of heat are given off when 5.0 g of water cool from 45°C to 25°C? Chemistry Thermochemistry Calorimetry 1 Answer Trevor Ryan. Nov 13, 2015 #418J# Explanation: #W=mcDeltaT# #=5gxx4,18J//g.^@Cxx20^@C# #=418J# Answer link Related questions How does differential scanning in calorimetry work? What information do you get from a differential scanning calorimetry plot? How do you measure calorimetry? Question #962a7 Question #1dfc5 Question #41af6 What is calorimetry? What is a differential scanning calorimeter? How can a calorimeter measure energy? What are calorimeters made of? See all questions in Calorimetry Impact of this question 4566 views around the world You can reuse this answer Creative Commons License