Question

C. - Enthalpy (Heat) of Solution for the Dissolution of a Salt. Name of Salt: Ammonium Chloride 1.- Mass of salt (g) 5.0 g 2.- Moles of salt (mol) 0.93 mol 3.- Mass of calorimeter (g) 3.7 g 4.- Mass of calorimeter + water (g) 23.3 g 5.- Mass of water (g) 19.6 g 6.- Initial temperature of water (°C) 24.7 °C 7.- Final temperature of mixture from graph (°C) 23.3 °C 8.- Instructor's approval of graph ? Calculations for Enthalpy (Heat) of Solution for the Dissolution of a Salt. 1.- Temperature change of solution ?T (°C) -1.4 °C 2.- Heat change of water (J) Q = m?C??T 3.- Heat change of salt (J) (Obtain its specific heat from table 25.1) 1.57 J/g ? °C 4.- Total enthalpy change 5.- ?Hs (J/mol salt), equation 25.12 6.- Average ?Hs (J/mol salt)

          C. - Enthalpy (Heat) of Solution for the Dissolution of a Salt.

Name of Salt: Ammonium Chloride

1.- Mass of salt (g) 5.0 g
2.- Moles of salt (mol) 0.93 mol
3.- Mass of calorimeter (g) 3.7 g
4.- Mass of calorimeter + water (g) 23.3 g
5.- Mass of water (g) 19.6 g
6.- Initial temperature of water (°C) 24.7 °C
7.- Final temperature of mixture from graph (°C) 23.3 °C
8.- Instructor's approval of graph ?

Calculations for Enthalpy (Heat) of Solution for the Dissolution of a Salt.

1.- Temperature change of solution ?T (°C) -1.4 °C
2.- Heat change of water (J) Q = m?C??T
3.- Heat change of salt (J) (Obtain its specific heat from table 25.1) 1.57 J/g ? °C
4.- Total enthalpy change
5.- ?Hs (J/mol salt), equation 25.12
6.- Average ?Hs (J/mol salt)

C. - Enthalpy (Heat) of Solution for the Dissolution of a Salt.

Name of Salt: Ammonium Chloride

1.- Mass of salt (g) 5.0 g
2.- Moles of salt (mol) 0.93 mol
3.- Mass of calorimeter (g) 3.7 g
4.- Mass of calorimeter + water (g) 23.3 g
5.- Mass of water (g) 19.6 g
6.- Initial temperature of water (°C) 24.7 °C
7.- Final temperature of mixture from graph (°C) 23.3 °C
8.- Instructor's approval of graph ?

Calculations for Enthalpy (Heat) of Solution for the Dissolution of a Salt.

1.- Temperature change of solution ?T (°C) -1.4 °C
2.- Heat change of water (J) Q = m?C??T
3.- Heat change of salt (J) (Obtain its specific heat from table 25.1) 1.57 J/g ? °C
4.- Total enthalpy change
5.- ?Hs (J/mol salt), equation 25.12
6.- Average ?Hs (J/mol salt)

Added by Henry G.

Question

Please give Ace some feedback