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References Use the References to access important values if needed for this question. Given the standard...
เต Use the References to access important values if needed for this question. Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H2(g)--C4H10(g) ΔΗ。=-125.6 kJ (2) C2H4(8) 2C(s)+ 2H2 AH -52.3 k what is the standard enthalpy change for the reaction: (3) 2C2H4(g) + H2(g)--C41110(g) ΔΗ·"? 1 pr pr 1 pt 1 pt 1 pt 1 pt Submit Answer Try Another Version 2 item attempts remaining
Use the References to access important values if need Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H2(9) C4H10(9) AH° = -125.6 kJ (2) C2H4(9)— 2C(s) + 2H2(g) AH° = -52.3 kJ what is the standard enthalpy change for the reaction: (3) 2C2H4(g) + H2(g)—>C4H109) AH° = ? Submit Answer Retry Entire Group 2 more group attempts remaining
Use the References to access important values if needed for this question. Given the standard enthalpy changes for the following two reactions: (1) 2Fe(s) + O2(g) →2FeO(s) AH° = -544.0 kJ (2) 2Zn(s) + O2(g)—2ZnO(5) AH° = 696.6 kJ what is the standard enthalpy change for the reaction: (3) FeO(s) + Zn(s)—>Fe(s) + ZnO(s) AH° = ?
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...
Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H2(g)-------> C4H10(g)...... ΔH° = -125.6 kJ (2) C2H2(g) ----> 2C(s) + H2(g)......ΔH° = -226.7 kJ what is the standard enthalpy change for the reaction: (3) 2C2H2(g) + 3H2(g)--------->C4H10(g)......ΔH° = ? kj
thank you! Ricrencesi Use the References to access important values if needed for this question. A scientist measures the standard enthalpy change for the following reaction to be -234.6 kJ 2502(g) + O2(g) 2503(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of SO3(e) is kJ/mol Submit Answer Retry Entire Group 2 more group attempts remaining TReview Topics [References Use the References to access important values if needed for...
References Use the References to access important values if needed for this question. The standard enthalpy change for the following reaction is 3.35x108 kJ at 298 K. 2 Al2O3(s)— 4 Al(s) + 3 O2(g) What is the standard heat of formation of A1,03(s)? kJ/mol Submit Answer
Use the References to access Important values if needed for this ques Using standard heats of formation, calculate the standard enthalpy change for the following reaction. 2H2(g) + O2(g) 2H2O(g) ANSWER: KJ Submit Answer Retry Entire Group 9 more group attempts remaining
Use the References to access important values if needed for this question. The reaction of carbon dioxide(g) with hydrogen(g) to form acetylene(g) (C2H2) and water(g) proceeds as follows: 2 CO2(g) + 5 H2(g) C2H2(g) + 4 H2O(g) When 12.0 grams of CO2(g) react with sufficient H2(g), 6.34 kJ of energy are absorbed. What is the value of AH for the chemical equation given? AH,xn= kJ Submit Answer
References Use the References to access important values if needed for this question. A scientist measures the standard enthalpy change for the following reaction to be -87.1 kJ : 2HBr(g) + Cl2(g)—>2HCl(g) + Br2(g) 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. Submit Answer