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Write an equation which represents the standard enthalpy of formation, AHtº, for FeCl3 (s). Remember in...
15. Determine the standard enthalpy of formation of Fe2O3(s), 2Fe(s) + 1.5 02 (g) → Fe2O3(s) given the thermochemical equations below. (4 points) AFH° = +160.9 kJ/mol-rxn Fe(s) + 3 H20(8) - Fe(OH)3(s) + 3/2 H (9) H2(g) + 1/2 O2(g) → H2O(6) Fe2O3(s) + 3 H2O(0) - 2 Fe(OH)3(8) A-H° = -285.8 kJ/mol-rxn A,Hº = +288.6 kJ/mol-rxn
Which thermochemical equation gives the value of the standard enthalpy of formation for NH4C104(s)? N(g) + 2 H2(g) + CI(g) + 2 O2(g) ---> NH4C104(s) N(g) + 2 H2(g) + Cl2(1) +2 O2(g) ---> NH4C104() 1/2 N2(g) + 2 H2(g) + 1/2 C12(g) + 2 O2(g) ---> NH4C104(s) N(g) + 4 H(g) + Cl(g) + 4 0(g) ---> NH4C104(8) ON(g) + 2 H2(g) + C1(g) + 2 02(9) ---> NH4C104(s) ON(g) + 2 H2(g) + C12(1) + 2 02(E) --->...
Using Hess's Law to Calculate a Standard Enthalpy of Formation On the Solution Calorimetry Lab Report Form, vou will be asked to calculate a standard enthalpy of formation for magnesium oxide based on your experimental results. Below is an example of how to do this type of calculation. Calculate the standard enthalpy of formation of gaseous diborane (B2H6) using the following thermochemical equations: 4 B(s) + 3 O2(g)-> 2 B2O3(s) 2 H2(g) + O2(g) > 2 H20(0) B2H6(8) +3 O2(g)...
5 Determine the standard enthalpy of formation of Fe2O3(s) given the thermochemical equations below. 2Fe(s) + 3/2 O2(g) → Fe2O3(s) AH(Fe2O3) = ? Fe(s) + 3 H2O() Fe(OH)3(s) + 3/2 H2(g) AH° = +160.9 kJ/mol-rxn H2(g) + 1/2O2(g) → H2O(1) A.H° = -285.8 kJ/mol-rxn Fe2O3(s) + 3 H2O(1) ► Fe(OH),(s) A,Hº +288.6 kJ/mol-rxn
(a) Write the balanced chemical equation that represents the standard heat of formation of Agl(s) at 298 K. Use the pull-down boxes to specify states. Write fractions with a slash, such as 1/2 for one half. If a box is not needed leave it blank. (b) The standard enthalpy change for the following reaction is 359 kJ at 298 K. PbCl2(s)— Pb(s) + Cl2(g) What is the standard heat of formation of PbCl2(s)? kJ/mol
3. (14 pts.) The standard molar enthalpy of formation of Fe,Oxs is AH = -8242 kJ/mol, and the standard molar enthalpy of formation of SO2(g) is AH = -296.8 kJ/mol (both at 298 K). Use this information, along with the standard molar enthalpy change of the following reaction at 298K, 2 FeS21s) + 11/2O2(g) → Fe2O3 + 4 SO2(g) AH = -1655 kJ/mol To determine the standard molar enthalpy change of the reaction shown below are 298 K: Fe(s) +...
The standard heat of formation for FeCl3(s) is -400 kJ/mol at 298 K. Write the formation equation for FeCl3(8) that goes with this value of ΔΗ. Use the pull-down boxes to specify states. Write fractions with a slash, such as 1/2 for one half. If a box is not needed leave it blank.
using standard heats of formation, calculate the standard enthalpy change for the following reaction. 2 Fe (s) + 3 Cl2 (g) ---> 2 FeCl3 (s)
10 Question (2 points) Balance the following chemical equation, and calculate the standard enthalpy change from standard enthalpies of formation Fe(s) +0,(8) ► Fe,0,(s) 1st attempt I See Periodic Ta Balance the following chemical equation using only whole number coefficients: X X He FeO (s) + O2(g) → Fe2O3(s) 1st attempt Balance the following chemical equation using only whole number coefficients: x | x. He | o. FeO(s) + O2(g) → Fe2O3(s) Calculate the standard enthalpy change from standard enthalpies...
(a) Write the balanced chemical equation that represents the standard heat of formation of UOz(s) at 298 K. Use the pull-down boxes to specify states. Write fractions with a slash, such as 1/2 for one half. If a box is not needed leave it blank. (b) The standard enthalply change for the following reaction is -2.44x10kJ at 298 K 2 Ba(s) + 2 C(s,graphite) + 3 0,(g) 2 BaCO3(s) What is the standard heat of formation of BaCO,(s)? kJ/mol Check...