Multiple Choice Write your answer in the space provided to the right and provide a brief explanation for your choice. 1.

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Multiple Choice Write Your Answer In The Space Provided To The Right And Provide A Brief Explanation For Your Choice 1 1 (362.42 KiB) Viewed 40 times

Multiple Choice Write your answer in the space provided to the right and provide a brief explanation for your choice. 1. The molar enthalpy of formation for H2O(l) is –285.8 kJ.mol-!. Which expression describes the enthalpy change for the following reaction? 2H2O(l) → 2H2(g) + O2(g) AH° = ? = a. - 1/2 (AH) b. -(AH) C. -2(AH) d. 1/(AH) - 1/(AH;) e. 2. Which sample will reach the lowest final temperature when all samples release the same amount of heat and all begin at the same initial temperature? The specific heat of iron is 0.449 J.g-K-4 and the specific heat of copper is 0..385 J.g-K-1 a. 1.0 g Cu b. 5.0 g Cu c. 1.0 g Fe d. 5.0 g Fe e. All would experience the same change in temperature.