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Get Full Access to Chemistry: The Central Science - 12 Edition - Chapter 5 - Problem 107ae
Get Full Access to Chemistry: The Central Science - 12 Edition - Chapter 5 - Problem 107ae

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# Ammonia (NH3) boils at-33 °C; at this temperature it has a

ISBN: 9780321696724 27

## Solution for problem 107AE Chapter 5

Chemistry: The Central Science | 12th Edition

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Problem 107AE

Problem 107AE

Ammonia (NH3) boils at-33 °C; at this temperature it has a density of 0.81 g/cm3. The enthalpy of formation of NH3(g) is-46.2 kJ/mol, and the enthalpy of vaporization of NH3(l) is 23.2 kJ/mol. Calculate the enthalpy change when 1 L of liquid NH3 is burned in air to give N2(g) and H2O(g). How does this compare with ΔH for the complete combustion of 1 L of liquid methanol, CH3OH(l)? For CH3OH(l), the density at 25 °C is 0.792 g/cm3, and ΔHf° =-239 kJ/mol.

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Chemistry 1 12: General C hemistry II Week 1 1, April 0th ‐ April 14th, 017 Exam 3 ednesday, April 1 9th, 2017 18.2: K and Solubility Calcula埶���ons: SP ‐ Reaction Q uotient ( ) is calculated li , but states the situa埶��� s it currently is rather t han at equilibrium. ‐ Q = K: aturated solu埶���on, no p recipitate ‐ Q < K: Unsaturated solu埶���on, no precipitate ‐ Q > K: Supersaturated s olu埶���on, yes precipitate! Ex . Will a precipitate form when 25mL of 0.01M NaOH is added to 75mL of 0.10M MgCl 2 Mg(O

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