Data and Calculations Fill in the following data from when you performed this lab. Attach the printed graphs from the temperature probes to this data sheet when you submit this report. Each person should submit an individual report with attached graphs. Trial 4 Trial 1 Trial 3 Trial 2 Mass of Mg/MgO 0.344 0.398 0.1520 D.115 Initial Temperature* 20.6°c 20.4°c 20.7°C 23.5°C 20. 3°C Final Temperature* 24. 0c 36.2°C Change in Temp. 2.80c _18°८ । Calculations: 1. For each of your trials determine the heat liberated. Assume the HCl solution in the calorimeter has a density of 100 g/mL and that the calorimeter loses a negligible amount of heat. (The specific heat of the solution can be assumed to be the same as water, 4.184 J/g.°C.) Show work neatly for credit. mass x specific heat x At Trial4 Trial1 Trial 2 Triai3 (.1154)4.180H 9(.9444) (4.184) (7.9) 1:13997) (4.184) (18) a-1520) (4.104) (2.8) 8.81 2- 12.98 9-29.5KJ 19.5k 20KT 8.81KJ 12.98KJ =(kilojoules) Change eachq to AH with the appropriate sign. Remember that enthalpy has been gained by the water, therefore, enthalpy has been lost by the reaction system. AH (kilojoules) AH-9 43 Calculations: 1. For each of your trials determine the heat liberated. Assume the HC1 solution in the calorimeter heat of the solution can be assumed to be the same as water, 4.184 J/g.°C.) Show work neatly for has a density of 00 g/mL and that the calorimeter loses a negligible amount of heat. (The specific credit. =mass x specific heat x At Triai1 Trial4 Trial 2 Tria13 (1754)4.1840 9(9944) (4.184) (17.9) 1-(.3987) (4.184) (18) C7520) (4.104) (2.0) q 2- 12.98 9-29.5KJ -8,81 q= (kilojoules) 29.5kJ 20KT 8.81KJ 12.99KJ Change each q to AH with the appropriate sign. Remember that enthalpy has been gained by the water, therefore, enthalpy has been lost by the reaction system. AH=(kilojoules) 1 AH-2 43

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Item 10 10 of 33 Complete I Review | Constants I Periodic Table Part A The compound MgCl2 is named dimagnesium chloride. magnesium chlorine. magnesium (II) chloride. magnesium dichloride. magnesium chloride.

U16HW Question 11 Homework • Unanswered Fill in the Blanks Type your answers in all of the blanks and submit Calculate the appropriate H30+ or OH for the conditions shown below at 25 °C. Type your answer here If the OH= 2.37E-07 M, then the (H30+= M If the [H30+= 8.33E-09 M, then the OH"= Type your answer here Submit your answer using e notation. For example 1.2x10 2would be 1.2e-02 3 Fullscn 1 Submi Unanswered 9:20 PM 5/9/2021 40 4+ "prt sc 144 delete home end 6. 8. 9. num backspace lock home K enter pause ↑ shift end