determine the flame temperature when liquid methanol (ethyl alcohol,C2H5OH) is allowed to react with 75% excess...
Consider a rocket engine using ethyl alcohol (ethanol), C2H,OH as fuel and oxygen, O2, as oxidizer. Ethyl alcohol and oxygen enter the chamber as, respectively, a liquid at temperature T,C2H5OH = T,-29 8.1 5 K and a gas at temperature to2 =-40°C. The combustion reaction is o.0 where Alco , Aco2 , M2 , 20 arethe mole fractions of the products. The table below shows the mole fractions of the combustion products and their average specific heats and heats of...
An organic liquid is a mixture of methyl alcohol (CH3OH) and ethyl alcohol (C2H5OH). A 0.220-g sample of the liquid is burned in an excess of O2(g) and yields 0.364 g CO2(g) (carbon dioxide). Set up two algebraic equations, one expressing the mass of carbon dioxide produced in terms of each reagent and the other expressing the mass of sample burned in terms of each reagent.What is the mass of methyl alcohol (CH3OH) in the sample? Express your answer numerically...
An organic liquid is a mixture of methyl alcohol (CH3OH) and ethyl alcohol (C2H5OH). A 0.220-g sample of the liquid is burned in an excess of O2(g) and yields 0.349 g CO2(g) (carbon dioxide). Set up two algebraic equations, one expressing the mass of carbon dioxide produced in terms of each reagent and the other expressing the mass of sample burned in terms of each reagent.What is the mass of methyl alcohol (CH3OH) in the sample? Express your answer numerically...
What is the adiabatic flame temperature of methane (CH4) when it is burned with 30 percent excess air? Use data from the tables. The adiabatic flame temperature of methane is ____°C.
Determine the vapour pressure (in atm) of the following solutions: a. 25.0g of ethyl alcohol (C2H5OH) in 100.0g of water at 25.0°C. Pvap (H2O, 25°C) = 23.8 mmHg; Pvap (C2H5OH, 25°C) = 61.2 mmHg b. 410g of sucrose (C12H22011) and 320g water at 25°C. Pvap (H20, 25°C) = 23.8 mmHg 5. The vapour pressures determined in question #4 are one of the four colligative properties of solutions. Determine the other three colligative properties of the following solution. Determine Th and...
When lead (II) oxide, PbO, is allowed to react with oxygen, O2, at a temperature of 723 K and standard pressure through the reaction PbO(s) + ½O2(g) ⇄ PbO2(s) the partial pressure of oxygen at equilibrium is 9.6 Pa. Determine the standard Gibbs energy of reaction at this temperature.
One method for measuring the alcohol content of a liquid is to titrate the ethanol (C2H5OH) with chromate (CrO4^2-). These reagents react to become Co2 and Cr^+3 respectively. Write the balanced equation for this redoc process under acidic conditions. If a 1.86g sample of an alcoholic beverage is titrated with 25.93 mL of 0.250 M sodium chromate, what is the percent by mass of alcohol in this beverage?
19) When lead (II) oxide, PbO, is allowed to react with oxygen, O2, at a temperature of 823 K and standard pressure through the reaction PbO(s) + 420 (g) = PbO (5) the partial pressure of oxygen at equilibrium is 11.6 Pa. Determine the standard Gibbs energy of reaction at this temperature. a) -31.0 kJ mol b) 62.0 kJ mol-' 9-20.8 kJ mol'. d) -41.4 kJ mol-'
A fuel cell designed to react grain alcohol with oxygen has the following net reaction: C2H5OH(l) + 3 O2(g) –––> 2 CO2(g) + 3 H2O(l) The maximum work that 1 mole of alcohol can yield by this process is 1320 kJ. What is the theoretical maximum voltage that this cell can achieve? NOTE: The first step in solving this problem is to determine n, the number of moles of electrons transferred when this reaction takes place as written. A) 1.14...
Ethyl chloride (C2H5Cl) boils at 12 degrees celcius. When liquid C2H5Cl under pressure is sprayed on a room-temperature (25 degrees celcius) surface in air, the surface is cooled considerably. a) What does this observation tell us about the specific heat of C2H5Cl(g) as compared with C2H5Cl(l)? b) Assume that the heat lost by the surface is gained by ethyl chloride. What enthalpies must you consider if you were to calculate the final temperature of the surface?