When 0.100 g of Zn(s) combines with enough HCl to make 55.0 mL of HCl(aq) in...
When 0.100 g of Zn(s) combines with enough HCl to make 55.0 mL of HCl(aq) in a coffee cup calorimeter, all of the zinc reacts, which increases the temperature of the HCl solution from 23.0 ∘ ∘ C to 24.5 ∘ ∘ C: Zn(s) + 2HCl(aq) → ZnCl 2 2 (aq) + H 2 2 (g) Calculate the enthalpy change of the reaction Δ ΔH r x n rxn . (Assume the density of the solution is 1.00 g/mL and the specific heat capacity of solution is 4.184 J/g ∘ ∘ C.) in J/mol.
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When 0.100 g of Zn(s) combines with enough HCl to make 55.0 mL
of HCl(aq) in...
1. Zinc metal reacts with hydrochloric acid according to the following balanced equation. Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g) When 0.106...
1. Zinc metal reacts with hydrochloric acid according to the following balanced equation. Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g) When 0.106 g of Zn(s) is combined with enough HCl to make 50.1 mL of solution in a coffee-cup calorimeter, all of the zinc reacts, raising the temperature of the solution from 21.9 ∘C to 24.6 ∘C. Part A Find ΔHrxn for this reaction as written. (Use 1.0 g/mL for the density of the solution and 4.18 J/g⋅∘C as the specific heat capacity.) ΔHrxn ΔHrxn =...
Zinc metal reacts with hydrochloric acid according to the balanced equation: 2HCl (aq) + Zn (s)...
Zinc metal reacts with hydrochloric acid according to the balanced equation: 2HCl (aq) + Zn (s) → ZnCl2 (aq) + H2 (g) When 0.103 g of zinc is combined with enough HCl to make 50.0 mL of solution in a coffee-cup calorimeter, all of the zinc reacts, resulting the temperature of the solution from 22.5oC to 23.7 oC. Find ΔHrxn for this reaction as written. The density, and the specific heat of the solution are 1.00 g/mL and 4.184 J/g...
Zinc metal reacts with hydrochloric acid according to the balanced equation: 2HCl (aq) + Zn (s)...
Zinc metal reacts with hydrochloric acid according to the balanced equation: 2HCl (aq) + Zn (s) ® ZnCl2 (aq) + H2 (g) When 0.103 g of zinc is combined with enough HCl to make 50.0 mL of solution in a coffee-cup calorimeter, all of the zinc reacts, resulting the temperature of the solution from 22.5oC to 23.7 oC. Find DHrxn for this reaction as written. The density, and the specific heat of the solution are 1.00 g/mL and 4.184...
Zinc metal reacts with hydrochloric acid according to the following balanced equation. Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g) When 0.102 g...
Zinc metal reacts with hydrochloric acid according to the following balanced equation. Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g) When 0.102 g of Zn(s) is combined with enough HCl to make 54.6 mL of solution in a coffee-cup calorimeter, all of the zinc reacts, raising the temperature of the solution from 21.9 ∘C to 24.3 ∘C. Find ΔHrxn for this reaction as written. (Use 1.0 g/mL for the density of the solution and 4.18 J/g⋅∘C as the specific heat capacity
Zinc metal reacts with hydrochloric acid according to the following balanced equation. Zn(s)+2HCl(aq)?ZnCl2(aq)+H2(g) When 0.112 g...
Zinc metal reacts with hydrochloric acid according to the following balanced equation. Zn(s)+2HCl(aq)?ZnCl2(aq)+H2(g) When 0.112 g of Zn(s) is combined with enough HCl to make 54.9 mL of solution in a coffee-cup calorimeter, all of the zinc reacts, raising the temperature of the solution from 21.7 ?C to 23.9 ?C. Find ?Hrxn for this reaction as written. (Use 1.0 g/mL for the density of the solution and 4.18 J/g??C as the specific heat capacity.) Answer should be in kJ/mol.
Zinc metal reacts with hydrochloric acid according to the following balanced equation: Zn(s)+2HCl(aq)→ ZnCl2(aq)+H2(g) When 0.105...
Zinc metal reacts with hydrochloric acid according to the following balanced equation: Zn(s)+2HCl(aq)→ ZnCl2(aq)+H2(g) When 0.105 g of Zn(s) is combined with enough HCl to make 50.4 mL of solution in a coffee-cup calorimeter, all of the zinc reacts, raising the temperature of the solution from 22.2 ∘C to 24.7 ∘C. Find ΔHrxn for this reaction as written. (Use 1.00 g/mL for the density of the solution and 4.18 J/(g⋅∘C) as the specific heat capacity.) Express your answer in kilojoules...
Zinc metal reacts with hydrochloric acid according to the following balanced equation. Zn(s) + 2HCl(aq) -> ZnCl2(aq...
Zinc metal reacts with hydrochloric acid according to the following balanced equation. Zn(s) + 2HCl(aq) -> ZnCl2(aq) + H2(g) When 0.104g of Zn(s) is combined with enough HCl to make 54.5 mL of solution in a coffee-cup calorimeter, all of the zinc reacts, raising the temperature of the solution from 22.4 Celcius to 24.7Celcius. Find the delta Hrxn (in kJ/mol) for this reaction as written. (Use 1.0g/mL for the density of the solution and 4.18 J/g *Celcius as the specific...
Zinc metal reacts with hydrochloric acid according to the following balanced equation. Zn(s) + 2HCl(aq) --> ZnCl_...
Zinc metal reacts with hydrochloric acid according to the following balanced equation. Zn(s) + 2HCl(aq) --> ZnCl_2(aq) + H_2(g) When 0.124 g of Zn(s) is combined with enough HCl to make 51.3 mL of solution in a coffee-cup calorimeter, all of the zinc reacts, raising the temperature of the solution from 21.5 C to 23.9 C. Find Delta Hrxn for this reaction as written. (Use 1.0 g/mL for the density of the solution and 4.18 J/g *C as the specific...
inc metal reacts with hydrochloric acid according to the following balanced equation: Zn(s)+2HCl(aq)→ ZnC l 2...
inc metal reacts with hydrochloric acid according to the following balanced equation: Zn(s)+2HCl(aq)→ ZnC l 2 (aq)+ H 2 (g) When 0.124 g of Zn(s) is combined with enough HCl to make 52.2 mL of solution in a coffee-cup calorimeter, all of the zinc reacts, raising the temperature of the solution from 22.5 ∘ C to 24.2 ∘ C . Find ΔHrxn for this reaction as written. (Use 1.00 g/mL for the density of the solution and 4.18 J/(g⋅∘C) as...
5. Zinc metal reacts with hydrochloric acid according the following balanced equation. Zn(s) + 2HCl(aq) à ZnCl2(aq)...
5. Zinc metal reacts with hydrochloric acid according the following balanced equation. Zn(s) + 2HCl(aq) à ZnCl2(aq) + H, (g) When 0.115 g of Zn(s) dissolves in 50.0 mL of HCl in a coffee-cup calorimeter, the temperature rises from 22.5 °C to 23.7 °C. Assume 1.0 g/mL for density of the solution and 4.18 J/g °C as the specific heat capacity, calculate: a) DH in kJ per mole of Zn(s) b) DH in kJ per gram of Zn(s)
5. Zinc metal reacts with hydrochloric acid according the following balanced equation. Zn(s) + 2HCl(aq) à ZnCl2(aq) + H, (g) When 0.115 g of Zn(s) dissolves in 50.0 mL of HCl in a coffee-cup calorimeter, the temperature rises from 22.5 °C to 23.7 °C. Assume 1.0 g/mL for density of the solution and 4.18 J/g °C as the specific heat capacity, calculate: a) DH in kJ per mole of Zn(s) b) DH in kJ per gram of Zn(s)
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