Question #c0a79 Chemistry Thermochemistry Calorimetry 1 Answer MeneerNask May 1, 2017 The temperature drop is #100^o C-25^o C=75^o C=75K# Explanation: We use the formula: #Q=c*m*DeltaT# #Q=0.9 J/(cancelg*cancelK)xx100cancelgxx75cancelK=6750J# So it would be answer #B# 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 1665 views around the world You can reuse this answer Creative Commons License