15 g of solid MgCl2 is mixed with 30 g of water in a calorimeter that absorbs no heat. Which equation calculates the temperature change? Question 16 options: (15 g / 53.49 g mol–1 × –159850 J mol–1) / (30 g × 4.184 J g–1 °C–1) (15 g / 53.49 g mol–1 × 159850 J mol–1) / (30 g × 4.184 J g–1 °C–1) –(15 g / 53.49 g mol–1 × –159850 J mol–1) / (45 g × 4.184 J g–1 °C–1)
15 g of solid MgCl2 is mixed with 30 g of water in a calorimeter that absorbs no heat. Which equation calculates the temperature change? Question 16 options: (15 g / 53.49 g mol–1 × –159850 J mol–1) / (30 g × 4.184 J g–1 °C–1) (15 g / 53.49 g mol–1 × 159850 J mol–1) / (30 g × 4.184 J g–1 °C–1) –(15 g / 53.49 g mol–1 × –159850 J mol–1) / (45 g × 4.184 J g–1 °C–1)
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter5: Principles Of Chemical Reactivity: Energy And Chemical Reactions
Section5.6: Calorimetry
Problem 1RC: A student used a coffee-cup calorimeter to determine the enthalpy of solution for NH4NO3.When NH4NO3...
Related questions
Question
15 g of solid MgCl2 is mixed with 30 g of water in a calorimeter that absorbs no heat. Which equation calculates the temperature change?
Question 16 options:
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(15 g / 53.49 g mol–1 × –159850 J mol–1) / (30 g × 4.184 J g–1 °C–1) |
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(15 g / 53.49 g mol–1 × 159850 J mol–1) / (30 g × 4.184 J g–1 °C–1) |
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–(15 g / 53.49 g mol–1 × –159850 J mol–1) / (45 g × 4.184 J g–1 °C–1) |
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