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From the following heats of reaction, 2C (graphite) + H2(g) → CH) 6C (graphite) + 3H2(g)...
17. From the following heats of reaction, 2C (graphite) + H2 (g) → C2H2 (g) AH = 227 kJ/mole 6C (graphite) + 3H2 (g) → CH (1) AH = 49 kJ/mole calculate the heat for the reaction 3C2H2 (g) → C6H6 1) A. 632 kJ/mole B. -632 kJ/mole C. -178 kJ/mole D. 178 kJ/mole
Given the following data for heats of reaction N2(g) + 3H2(g) ----> 2NH3(g) H = -91.8 kJ C(graphite) + 2H2(g) -------> CH4(g)H = -74.9kJ H2(g) + 2C(graphite) + N2(g) --------> 2HCN(g) H = 270.3 kJ Calculate H for the reaction used to make HCN CH4(g) + NH3(g) --------> HCN(g) + 3H2(g)
From the following data, C(graphite) + O2(g) → CO2(g) AHrxn = -393.5 kJ/mol H2(g) + O2(g) → H200) AH"rxn = -285.8 kJ/mol 2C2H6(g) + 702(g) -> 4CO2(g) + 6H2O(l) Arxn=-3119.6 kJ/mol Calculate the enthalpy change for the reaction: 2 C(graphite) + 3H2(g) + C2H668)
Enter your answer in the provided box From the following data, C(graphite) + O2(0)+ CO2(g) An° . =-393.5 kJ/mol rxn Hy(@) +0,6) H200 AH =-285.8 kJ/mol rxn 2C2H6(8) + 1026) →40026) + 6H20(1) AH =-3119.6 kJ/mol rxn calculate the enthalpy change for the reaction below: 2 C(graphite) + 3H2(g) → CH()
13. Consider the following equation 2C(s) + 2 H20 (g) CH, (g) + CO2(g) Determine the standard enthalpy change for this reaction from the following standard enthalpies of reaction : (1) C(s) + H2O (g) CO(g) + H, (g) AH° - 131.3 kJ (2) CO(g) + H2O (g) CO2(g) + H2(g) AH° - -41.2 kJ (3) CH, (g) + H,0(g) 3H, (g) + CO(g) AH° - 206.1 kJ A 15.3 B. -116.1 C. 378.2 D. -427.0
6.82. Acetic acid, CH, COOH, is contained in vinegar. Suppose acetic acid was formed from its elements, according to the following equation: 2C(graphite) + 2H2(g) + O2(g) → CH,COOH(1) Find the enthalpy change, AH, for this reaction, using the following data: CH, COOH(D) +20 (9) ► 2007 (9) + 2H2O(); AH = -874 kJ C(graphite) + O2(g) + CO2(g); AH = -394 kJ H2(g) + O2(g) → H2O(l); AH = -286 kJ
Calculate AHan for the reaction 1200, (g) + 6H,0 (g) + 2C, H. (1) + 150, () Using standard heats of formation from the following table. AH; CH (1) 49.0 kJ CO, (g) -393.5 kJ H2O (g) -241,82 kJ H2O ) -285. 3 kJ CO (g) -110.5 kJ (A) 6271 kJ (B) -578.6 kJ (C) 4718 kJ (D) -3136 (E) -5612 kJ KA
for the following reaction. CH3OH) -238 + H2(g) Given the standard heats of formation for the following compounds, calculate Al CH4() + H2O(g) -75 -242 AH(k/mol) a. +79 kJ b..79 kJ 6. +594 kcal d.-405k ..594 kcal
1) For the following balanced reaction: 3H2(g) + 1 N2(g) → 2 NH3(g) a) Calculate the heat of reaction (AHRXN) using AH from Table 1 b) calculate the heat of reaction (AHRXN) using Bond Energies from Table 2 c) Is the reaction endothermic or exothermic? Explain based upon your results from part a and b. 2) Calculate the energy required in Joules to heat 275.5 g of ice at -40.0°C to water at 60.0°C. 3) For blue light with an...
Using standard heats of formation, calculate the standard enthalpy change for the following reaction 2HBr(g) H2(g) + Br2() ANSWER kJ Submit Answer Retry Entire Group 2 more group attempts remaining Given the standard enthalpy changes for the following two reactions: (1) Zn(s)+ Cl2(g) ZnCl2(s) AH° = -415.0 kJ (2) Fe(s) + Cl2(g) FeCl2(s) AH° = -341.8 kJ what is the standard enthalpy change for the reaction: (3) Zn(s) + FeCl(s) AH° ? ZnCl2(s) + Fe(s) kJ Given the standard enthalpy...