Report Table CA.4: Enthalpy of Solution of Salts Enthalpy of solution of salts calculations Mass of salt (g) Volume of DI water (mL) Mass of DI water (g) Temperature of DI water (°C) Temperature of mixture after dissolution (°C) Temperature difference (°C) Total mass in reaction (g) Enthalpy of solution AHsolution (J/mol) NH4NO3 2.043 49.5 49.5 25.4 23.9 -1.50 51.5 3029 Ⓒ Table view List view MgSO4 2.096 49.8 49.8 25.1 29.3 4.2 51.9 -12517.8 Ⓒ

Report Table CA.4: Enthalpy of Solution of Salts Enthalpy of solution of salts calculations Mass of salt (g) Volume of DI water (mL) Mass of DI water (g) Temperature of DI water (°C) Temperature of mixture after dissolution (°C) Temperature difference (°C) Total mass in reaction (g) Enthalpy of solution AHsolution (J/mol) NH4NO3 2.043 49.5 49.5 25.4 23.9 -1.50 51.5 3029 Ⓒ Table view List view MgSO4 2.096 49.8 49.8 25.1 29.3 4.2 51.9 -12517.8 Ⓒ

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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The molar heat of vaporization of some unknown compound (X) at its normal boiling point 2.2 K is 3.7 kcal/mol. Calculate A S (cal/K) for the vaporization of 1.00 mol of X at 2.2 K and 1 atm. Answer:
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(aq) at 23.4°C was added to 25 25 ml of 1M NAOH at 23.4°C. The final temperature ml of 1M HCI of the reaction mixture was 29.7°C. Calculate A Hn (KJ/mol). Density of each solution is 1.04 g/ml and Specific heat of water =4.184 J/g.'C
You want to heat the air in your house with natural gas ( CH4 ). Assume your house has 275 m2 of floor area and the ceilings are 2.5 m from the floor. Data for air: Cp (J/mol K) 29.1 Density (g/L) 1.22 Average molar mass (g/mol) 28.9 Calculate the mass of air (in grams) to be heated. Calculate the amount of heat (in megajoules) required to increase the temperature of this mass of air from 15°C to 22°C. If the energy density of CH4 is 55.5 MJ/kg, what is the mass of CH4 needed to heat your house?
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In an experiment mixing Ammonium nitrate of 5.00g mass and water with 200g of mass in calorimeter. The initial temperature is 20.0 Celsius and final temperature is 18.13 Celsius. Find the q water, q dissolution, mass of solid NH4NO3, moles of NH4NO3 and the change in enthalpy (delta H) of NH4NO3 dissolution.