43) The value of 
for the reaction below is -790 kJ. The enthalpy change accompanying
the reaction of 0.95 g of S is __________ kJ. 2S(s) + 3O2 (g) à
2SO3(g)
A) 23
B) -23
C) -12
D) 12
E) -790
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43) The value of
for the reaction below is -790 kJ. The enthalpy change accompanying
the...
4) The value of AH for the reaction below is -790 kJ. The enthalpy change accompanying...
4) The value of AH for the reaction below is -790 kJ. The enthalpy change accompanying the reaction of 0.95 g of S is kJ. 2S (s) +302 (g) 2SO3 (g) sinoge E) -790 D-12 D) 23 B) 12 A)-23
The value of AH° for the reaction below is -790 kJ. The enthalpy change accompanying the...
The value of AH° for the reaction below is -790 kJ. The enthalpy change accompanying the reaction of 0.95 g of Sis KJ. 25 (s) + 302 (9) ► 2503 (9) Select one: a. 12 b. -12 C.-790 d. 23 .-23
help help help pls! 17. The value of AH° for the reaction below is -790 kJ/mol....
help help help pls!
17. The value of AH° for the reaction below is -790 kJ/mol. What is the enthalpy change accompanying when 0.95 g of S is completely reacted? 2S (s)302 (g) -2SO3 (g) 18. What is the enthalpy of the following reaction: 4 HCI(g) + O2(g) Given the following thermochemical equations: H2(g)+Cla(g)-2 HCI(g) 2 H2(s)O2(g)- 2 H20(g) 2 Cl2 +2 H2O (g)? AH -185 kJ AH-483.7 kJ
8) For which one of the following reactions is AHⓇxn equal to the heat of formation...
8) For which one of the following reactions is AHⓇxn equal to the heat of formation of the product? A) N2(g) + 3H2(g) + 2NH3 (8) B)(1/2)N2(g) + O2(g) → NO2(g) C) 6C(s) + 6H (g) → C6H6 (1) D) P (8) + 4H (g) + Br(g) - PH4Br (1) E) 12C (g) + 11H2(g) + 110 (g) → C6H22011 (8) (8) - PH4Br (1) A 9) The AE of a system that releases 12.4 J of heat and does...
A scientist measures the standard enthalpy change for the following reaction to be - 87.7 kJ : 2HBr(g) + Cl...
A scientist measures the standard enthalpy change for the following reaction to be - 87.7 kJ : 2HBr(g) + Cl2(g)— 2HCl(g) + Bra(s) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of HCl(g) is kJ/mol CH4() + H2O(g)_3H2(g) + CO(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H2O() is kJ/mol Given the standard enthalpy changes for...
The standard enthalpy change for the following reaction is - 52.3 kJ at 298 K. C2H4(g)...
The standard enthalpy change for the following reaction is - 52.3 kJ at 298 K. C2H4(g) — 2 C(s.graphite) + 2 H2(g) AH° = -52.3 kJ What is the standard enthalpy change for this reaction at 298 K? 2 C(s,graphite) + 2 H2(g) — C2H4(9) LLUCU The standard enthalpy change for the following reaction is -240 kJ at 298 K. Ni(s) + 1/2 O2(g) → Nio(s) AH° = -240 kJ What is the standard enthalpy change for the reaction at...
The standard enthalpy change for the following reaction is -426 kJ at 298 K. Na(s) +...
The standard enthalpy change for the following reaction is -426 kJ at 298 K. Na(s) + 1/2 O2(g) + 1/2 H2(g) → NaOH(s) AH° = -426 kJ What is the standard enthalpy change for the reaction at 298 K? 2 Na(s) + O2(0)+ H2()—2 NaOH(s) The standard enthalpy change for the following reaction is 484 kJ at 298 K. CH3COOH(1) ► 2 C(s,graphite) + 2 H2(g) + O2(g) AH° = 484 kJ What is the standard enthalpy change for this...
1). A sheet of aluminum foil with a mass of 25 g is taken from a...
1). A sheet of aluminum foil with a mass of 25 g is taken from a room at 25° C and placed in a oven at 200.° C. How much heat does the aluminum absorb? The specific heat of aluminum is 0.90 J/g °C. 2). The value of AH° for the reaction below is -790 kJ. The enthalpy change accompanying the reaction of 0.95 g of S is 28 (s) + 302 (9) — 2503 (9)
The standard enthalpy change for the following reaction is -704 kJ at 298 K. Al(s) +...
The standard enthalpy change for the following reaction is -704 kJ at 298 K. Al(s) + 3/2 Cl2(g) — AICI3(8) AH° = -704 kJ What is the standard enthalpy change for the reaction at 298 K? 2 AICI3(s) — 2 Al(s) + 3 Cl2(9) kJ The standard enthalpy change for the following reaction is 851 kJ at 298 K. 2 NaOH(s) —— 2 Na(s) + O2(g) + H2(g) AH° = 851 kJ What is the standard enthalpy change for this...
TC04M01 Use the enthalpy changes given in the data below to calculate the enthalpy change for...
TC04M01 Use the enthalpy changes given in the data below to calculate the enthalpy change for this reaction: Cus(s) + O2(g) → Cu(s) + SO2(9) Data: Reaction no. Reaction A.HⓇ/kJ morat 298K standard state = 1 bar. +314 2 2 CuO(s) – 2Cu(s) + O2(g) S(s) + O2(g) - S02(9) 2CuO(s) + 2S(s) - 2CuS(s) + O2(9) -297 +208 Select one: a. +225 kJ/mol b.-85 kJ/mol O C. -244 kJ/mol d. -191 kJ/mol e. -225 kJ/mol
4) The value of AH for the reaction below is -790 kJ. The enthalpy change accompanying the reaction of 0.95 g of S is kJ. 2S (s) +302 (g) 2SO3 (g) sinoge E) -790 D-12 D) 23 B) 12 A)-23
The value of AH° for the reaction below is -790 kJ. The enthalpy change accompanying the reaction of 0.95 g of Sis KJ. 25 (s) + 302 (9) ► 2503 (9) Select one: a. 12 b. -12 C.-790 d. 23 .-23
help help help pls!
17. The value of AH° for the reaction below is -790 kJ/mol. What is the enthalpy change accompanying when 0.95 g of S is completely reacted? 2S (s)302 (g) -2SO3 (g) 18. What is the enthalpy of the following reaction: 4 HCI(g) + O2(g) Given the following thermochemical equations: H2(g)+Cla(g)-2 HCI(g) 2 H2(s)O2(g)- 2 H20(g) 2 Cl2 +2 H2O (g)? AH -185 kJ AH-483.7 kJ
8) For which one of the following reactions is AHⓇxn equal to the heat of formation of the product? A) N2(g) + 3H2(g) + 2NH3 (8) B)(1/2)N2(g) + O2(g) → NO2(g) C) 6C(s) + 6H (g) → C6H6 (1) D) P (8) + 4H (g) + Br(g) - PH4Br (1) E) 12C (g) + 11H2(g) + 110 (g) → C6H22011 (8) (8) - PH4Br (1) A 9) The AE of a system that releases 12.4 J of heat and does...
A scientist measures the standard enthalpy change for the following reaction to be - 87.7 kJ : 2HBr(g) + Cl2(g)— 2HCl(g) + Bra(s) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of HCl(g) is kJ/mol CH4() + H2O(g)_3H2(g) + CO(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H2O() is kJ/mol Given the standard enthalpy changes for...
The standard enthalpy change for the following reaction is - 52.3 kJ at 298 K. C2H4(g) — 2 C(s.graphite) + 2 H2(g) AH° = -52.3 kJ What is the standard enthalpy change for this reaction at 298 K? 2 C(s,graphite) + 2 H2(g) — C2H4(9) LLUCU The standard enthalpy change for the following reaction is -240 kJ at 298 K. Ni(s) + 1/2 O2(g) → Nio(s) AH° = -240 kJ What is the standard enthalpy change for the reaction at...
The standard enthalpy change for the following reaction is -426 kJ at 298 K. Na(s) + 1/2 O2(g) + 1/2 H2(g) → NaOH(s) AH° = -426 kJ What is the standard enthalpy change for the reaction at 298 K? 2 Na(s) + O2(0)+ H2()—2 NaOH(s) The standard enthalpy change for the following reaction is 484 kJ at 298 K. CH3COOH(1) ► 2 C(s,graphite) + 2 H2(g) + O2(g) AH° = 484 kJ What is the standard enthalpy change for this...
1). A sheet of aluminum foil with a mass of 25 g is taken from a room at 25° C and placed in a oven at 200.° C. How much heat does the aluminum absorb? The specific heat of aluminum is 0.90 J/g °C. 2). The value of AH° for the reaction below is -790 kJ. The enthalpy change accompanying the reaction of 0.95 g of S is 28 (s) + 302 (9) — 2503 (9)
The standard enthalpy change for the following reaction is -704 kJ at 298 K. Al(s) + 3/2 Cl2(g) — AICI3(8) AH° = -704 kJ What is the standard enthalpy change for the reaction at 298 K? 2 AICI3(s) — 2 Al(s) + 3 Cl2(9) kJ The standard enthalpy change for the following reaction is 851 kJ at 298 K. 2 NaOH(s) —— 2 Na(s) + O2(g) + H2(g) AH° = 851 kJ What is the standard enthalpy change for this...
TC04M01 Use the enthalpy changes given in the data below to calculate the enthalpy change for this reaction: Cus(s) + O2(g) → Cu(s) + SO2(9) Data: Reaction no. Reaction A.HⓇ/kJ morat 298K standard state = 1 bar. +314 2 2 CuO(s) – 2Cu(s) + O2(g) S(s) + O2(g) - S02(9) 2CuO(s) + 2S(s) - 2CuS(s) + O2(9) -297 +208 Select one: a. +225 kJ/mol b.-85 kJ/mol O C. -244 kJ/mol d. -191 kJ/mol e. -225 kJ/mol
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