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Calculate the enthalpy change (AH Prxn) for the reaction (the elements are made up and all...
The change in enthalpy (AH) for a reaction is -35.7 kJ/mol. The equilibrium constant for the reaction is 1.4x109 at 298 K Part A What is the equilibrium constant for the reaction at 618 K? Express your answer using two significant figures. ΑΣφ ? K-
Calculate the standard enthalpy change for the following reaction at 25 °C. MgCl, (s)+H,O)MgO(s)+2 HCI(g) AH; values can be found in this table of thermodynamic values. AH= kJ/mol
Using the standard heats of formation that follow, calculate the standard enthalpy change for the following reaction. S(s,rhombic) + 2CO(g)— SO2(g) + 2C(s,graphite) AH°rxn- KJ Species AH®(kJ/mol CO(g) -110.5 SO2(g) -296.8 Check & Submit Answer Show Approach
4. Calculate the enthalpy (AH) change for the reaction : enthalples of reaction: PAO66) + 202 --> PAO101) given the following show your work- PA(s) + 302(e) ---> P.06(s) P4(s) + 502) --> PAO10(s) AH= -1640.1 KJ AH= -2940.1 KJ
20. What is the standard enthalpy change for the following reaction? 3CH.(g) + 40,(g) - 3C02(g) + 6H2O(g) AH® (kJ/mol) CHig) - 74.87 03(g) +142.7 CO2(g) --393.5 H2O(g) -241.8 a. -2285.1 kJ b.-2977.5 kJ c. +2977.5 kJ d. +2285.1 kJ e. -3426.5 kJ
AM Calculate the change in enthalpy associated with the combustion of 8.00 g of carbon. • Report your answer with three significant figures. C(s) +0,(9) CO,(9) AH: = -393.5 kJ/mol Provide your answer below: B FEEDBACK MORE INSTR Content attribution
A chemist measures the enthalpy change AH during the following reaction: 3 N2(9) + 8H2(9)→ 4NH3(g) + N,H.(1) AH=-134. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ/mol. reaction AH NH,() +,() - N,(6) + H_() X 5 ? 4NH, (g) + N,H.(1) 3N, (g) + 8H,() k 3 z N. (8) + 4H, (p) + 44,() + 2NH3(g) + ŹN,H,()
Calculate the standard enthalpy change for the reaction
2A+B⇌2C+2D
where the heats of formation are given in the following
table:
Substance
ΔH∘f
(kJ/mol)
A
-275
B
-413
C
223
D
-521
Express your answer in kilojoules.
- Part A Calculate the standard enthalpy change for the reaction 2A+B=2C+2D where the heats of formation are given in the following table: Substance A AH (kJ/mol) -275 -413 223 -521 B D Express your answer in kilojoules. View Available Hint(s) O AED *...
From the given enthalpies of formation, calculate the enthalpy change for the following reaction. Your label should be in kJ/mol. Again, leave a space between the answer and the label. N2H4(0) + 2H2O2(1) ► N2(g) + 4H2O(1) Thermochemical data: Substance AH(kJ/mol). H2O(1) -285.8 N Hall) 50.7 H2O2(1) -187.8 Answer:
A chemist measures the enthalpy change AH during the following reaction: 8 SO2(9) 16 H2S(g) AH=-1863. kJ 3 Sg(s) + 16 H,20) Use this information to complete the table below. Round each of your answers to the nearest kJ/mol. AH Oto reaction E726. kJ 16S0, (8) +32H,S () -- 6s,) +32H20 () 1863. kJ 3s,() +16H,O()8So, (e)16H,s() 5589. kJ 9s,()48H,0()24SO, (s) +48H,S (g)