**HQ5.47 - Combustion Reaction of Nitromethane***Homework • Unanswered*The combustion reaction of nitromethane fuel occurs as follows:\[ 2 \text{CH}_3\text{NO}_2(l) + \frac{3}{2} \text{O}_2(g) \rightarrow 2 \text{CO}_2(g) + 3 \text{H}_2\text{O}(l) + \text{N}_2(g) \]The standard enthalpy of this reaction is \(-1418\) kJ. What is the standard enthalpy of formation of nitromethane in kJ/mol?---

Given - 2CH3NO2(l)+ 3/2O2(g) -> 2CO2(g) + 3H2O(l) + N2(g) Standard enthalpy of this reaction=…

HỌ5.47 Homework Unanswered The combustion reaction of nitromethane fuel occurs as follows: 2 CH3 NO2 (1) + 3/2 O2(g) → 2 CO₂(g) + 3 H₂O(l) + N₂ (g) The standard enthalpy of this reaction is -1418 kJ. What is the standard enthalpy of formation of nitromethane in kJ/mol? Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 105) Type your numeric answer and submit * Unanswered. 3 attempts left Submit

HỌ5.47 Homework Unanswered The combustion reaction of nitromethane fuel occurs as follows: 2 CH3 NO2 (1) + 3/2 O2(g) → 2 CO₂(g) + 3 H₂O(l) + N₂ (g) The standard enthalpy of this reaction is -1418 kJ. What is the standard enthalpy of formation of nitromethane in kJ/mol? Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 105) Type your numeric answer and submit * Unanswered. 3 attempts left Submit

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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A scientist measures the standard enthalpy change for the following reaction to be -348.6 kJ :2Na(s) + 2 H2O(l)2NaOH(aq) + H2(g)Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H2O(l) is _____ kJ/mol.
Please help me, double and triple check your answers previous tutors got it wrong,
Q 2 please
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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 31.1 kJ: CO2(g) + H2(g)–→CO(g)+ H2O(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H20(g) is kJ/mol. Submit Answer Try Another Version 3 item attempts remaining
TUTOR Enthalpy Changes I The reaction of hydrogen sulfide(g) with oxygen(g) to form water(g) and sulfur dioxide(g) proceeds as follows: 2H,S(g) + 302(g) →2H,0(g) + 2SO2(g) When 11.3 g H,S(g) reacts with sufficient O2(g), 172 kJ is evolved. Calculate the value of A,H for the chemical equation given. kJ/mol Submit Show Approach Show Tutor Steps Submit Answer Try Another Version 6 item attempts remaining
When methanol, CH3OH,CH3OH, is burned in the presence of oxygen gas, O2,O2, a large amount of heat energy is released. For this reason, it is often used as a fuel in high performance racing cars. The combustion of methanol has the balanced, thermochemical equation CH3OH(g)+32O2(g)⟶CO2(g)+2H2O(l)ΔH=−764 kJCH3OH(g)+32O2(g)⟶CO2(g)+2H2O(l)ΔH=−764 kJ How much methanol, in grams, must be burned to produce 639 kJ639 kJ of heat?