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- How to calculate the number of moles of oxygen needed to react with 1.6 moles of ispropyl alcohol, C3H7OH if the balanced equation for the reaction is 2 C3H7OH + 9 O2 --> 6 CO2 + 8 H2O?4) When determining the oxidation state of carbon in an organic molecule, each hydrogen bonded to carbon decreases the oxidation state of carbon by 1 and each oxygen bond to carbon increases the oxidation state of carbon by 1. Using this information, determine the oxidation state of the benzylic carbon in toluene and the carbonyl carbon in benzoic acid. For example, in H3C-CH2-OH the CH₂ carbon has an oxidation state of 0-2+1 = -1.How many kilograms of CO2 are produced by the complete combustion of 3.8 kg of n-octane?
- 85. Propane, C3H8, is a hydrocarbon that is commonly used as a fuel. (a) Write a balanced equation for the complete combustion of propane gas. (b) Calculate the volume of air at 25 °C and 1.00 atmosphere that is needed to completely combust 25.0 grams of propane. Assume that air is 21.0 percent O2 by volume. (Hint: We will see how to do this calculation in a later chapter on gases—for now use the information that 1.00 L of air at 25 °C and 1.00 atm contains 0.275 g of O2 per liter.) (c) The heat of combustion of propane is −2,219.2 kJ/mol. Calculate the heat of formation, ΔH∘fΔHf° of propane given that ΔH∘fΔHf° of H2O(l) = −285.8 kJ/mol and ΔH∘fΔHf° of CO2(g) = −393.5 kJ/mol. (d) Assuming that all of the heat released in burning 25.0 grams of propane is transferred to 4.00 kilograms of water, calculate the increase in temperature of the water.Use the following reagent table for the reaction of : cyclohexanol + H2 SO4 → cyclohexene Chemical MW (g/mol) Density (g/mL) mmols used Amount used cyclohexanol 100.16 0.9624 1.50 mL Sulfuric Acid 98.08 1.83 1.00 mL cyclohexene 82.14 Determine the Theoretical Yield of cyclohexene in grams. Answer with 2 decimal places.Write a balanced chemical equation for the reaction of ethene with oxygen. O a. C2H4(g) + 302(g) → 2CO2(g) + 2H2O(g) O b. 2C2H2(g) + 502(g) → 4CO2(g) + 2H2O(g) O c. CH4(g) + 2O2(g) → CO2(g) + 2H2O(g) O d. C2H4(g) + 202(g) → 2CO2(g) + 2H2(g) O e. 2C2H6(g) + 702(g) →> 4CO2(g) + 6H2O(g)
- Write down a balanced chemical equation for the complete combustion of methanol CH3OH(I) to CO2(g) H2O(I)Calculate the enthalpy of benzene from its enthalpy of combustion and the enthalpy of combustion of cyclohexaneEthanol, C₂H60, is most often blended with gasoline - usually as a 10 percent mix - to create a fuel called gasohol. Ethanol is a renewable resource and ethanol-blended fuels, like gasohol, appear to burn more efficiently in combustion engines. The combustion of one mole of ethanol releases 326.7 kcal of energy. The combustion of one mole of 2-methylheptane, C8H18, releases 1.306 × 10³ kcal of energy. How much energy is released during the complete combustion of 405 grams of 2- methylheptane? kcal Assuming the same efficiency, would 405 grams of ethanol provide more, less, or the same amount of energy as 405 grams of 2-methylheptane? more less the same amount Retry Entire Group 9 more group attempts remaining
- What are the balanced reaction and net ionic equation for: propan-1-ol → propene + H2O Can you also draw the reaction in its molecular form please?What are the products formed when the hydrocarbon pentane (C5H12) undergoes complete combustion?• Neutral medium • Method to complete combustion of propane. • Unhalanced reaction:, C,Hg + O, → CO, + H,O