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Calculate the FW/MW of the ff;
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- A gaseous fuel mixture contains 23.4 %% methane (CH4)(CH4), 40.1 %% ethane (C2H6)(C2H6), and the rest propane (C3H8)(C3H8) by volume. Part A When the fuel mixture contained in a 1.51 LL tank, stored at 746 TorrTorr and 298 KK, undergoes complete combustion, how much heat is emitted? (Assume that the water produced by the combustion is in the gaseous state.) Standard Enthalpies (or Heats) of Formation (ΔfH∘ΔfH∘) at 298 KK Formula ΔfH∘kJmol−1ΔfH∘kJmol−1 CH4(g)CH4(g) −−74.6 C2H6(g)C2H6(g) −−84.68 C3H8(g)C3H8(g) −−103.85 O2(g)O2(g) 0.0 CO2(g)CO2(g) −−393.5 H2O(g)H2O(g) −−241.8 Express your answer to three significant figures and include the appropriate units.A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into guseous products. The cylinder has a piston that moves in or out, as necessary, to keep a constant pressure on the mixture of 1 atm. The cylinder is also submerged in a large insulated water bath. (See sketch at right.) 1 atm pressure piston cylinder From previous experiments, this chemical reaction is known to release 376. kJ of energy. water bath The position of the piston is monitored, and it is determined from this data that the system does 156. kJ of work on the piston during the reaction. gases exothermic Is the reaction exothermic or endothermic? endothermic up Does the temperature of the water bath go up or down? down neither in Does the piston move in or out? O out neither O in Does heat flow into or out of the gas mixture? O out neither How much heat flows? Be sure your answer has the correct number of significant digits. Explanation Check © 2022 McGraw Hill LLC. All Rights…Q2: A fuel oil is burned with 65% excess air, and the combustion characteristics of thefuel oil are similar to a paraffin series dodecane C12H26. Determine: (a) the actualair/fuel ratio (A/F) on a mole basis, (b) the actual air/fuel ratio (A/F) on a mass basis,and (c) the actual volumetric (molar) analysis of the products of combustion. State allthe assumptions that you would made before solving this question. Air contains 21%O2 and 79% N2 by mole. Do not solve in tabulated form.
- If p=782mmHg, V=? (L), n=0.210mol; T=27.0C (ideal gas)A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous products. The cylinder has a piston that moves in or out, as necessary, to keep a constant pressure on the mixture of 1 atm. The 1 atm pressure piston cylinder is also submerged in a large insulated water bath. (See sketch at right.) cylinder From previous experiments, this chemical reaction is known to absorb 223. kJ of energy. water bath The temperature of the water bath is monitored, and it is determined from this data that 397. kJ of heat flows into the system during the reaction. gases O exothermic Is the reaction exothermic or endothermic? endothermic up Does the temperature of the water bath go up or down? down neither in Does the piston move in or out? out O neither O does work Does the gas mixture do work, or is work done on it? work is done on it O neither How much work is done on (or by) the gas mixture? Be sure your answer has the correct number of significant digits.A mixtui e ui gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous products. The cylinder has a piston that moves in or out, as necessary, to keep a constant pressure on the mixture of 1 atm. The cylinder is also submerged in a large insulated water bath. (See sketch at right.) 1 atm pressure piston cylinder From previous experiments, this chemical reaction is known to release 241. kJ of energy. water bath gases The position of the piston is monitored, and it is determined from this data that the system does 286. kJ of work on the piston during the reaction. O exothermic Is the reaction exothermic or endothermic? O endothermic O up ? Does the temperature of the water bath go up or down? O down O neither O in Does the piston move in or out? out O neither O in Does heat flow into or out of the gas mixture? O out O neither How much heat flows? Be sure your answer has the correct number of significant digits. I kJ
- Q) One kg of ethane (C,H.) is burned with (0.9) of theoretical air, assuming complete combustion of Hydrogen in the fuel, determine the volumetric analysis of the dry products of combustion? amu for (H=1, C=12, N=14, 0=16)A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous products. The cylinder has a piston that moves in or out, as necessary, to keep a constant pressure on the mixture of 1 atm. The cylinder is also submerged in a large insulated water bath. (See sketch at right.) 1 atm pressure piston cylinder From previous experiments, this chemical reaction is known to absorb 106. kJ of energy. water bath The temperature of the water bath is monitored, and it is determined from this data that 157. kJ of heat flows out of the gases system during the reaction. O exothermic Is the reaction exothermic or endothermic? O endothermic O up Does the temperature of the water bath go up or down? O down O neither O in Does the piston move in or out? O out O neither O does work Does the gas mixture do work, or is work done O work is done on it on it? O neither How much work is done on (or by) the gas mixture? Be sure your answer has the correct number of…A mixtu. - gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous products. The 1 atm pressure cylinder has a piston that moves in or out, as necessary, to keep a constant pressure on the mixture of 1 atm. The cylinder is also submerged in a large insulated water bath. (See sketch at right.) piston cylinder From previous experiments, this chemical reaction is known to absorb 255. kJ of energy. water bath The temperature of the water bath is monitored, and it is determined from this data that 155. kJ of heat flows into the gases system during the reaction. O exothermic Is the reaction exothermic or endothermic? O endothermic O up ? Does the temperature of the water bath go up or down? O down O neither O in Does the piston move in or out? O out O neither O does work Does the gas mixture do work, or is work done on it? O work is done on it O neither How much work is done on (or by) the gas mixture? Be sure your answer has the correct number of…
- 5.51 V volur if theA mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous products. The cylinder has a piston that moves in or out, as necessary, to keep a constant pressure on the mixture of 1 atm. The cylinder is also submerged in a large insulated water bath. (See sketch at right.) 1 atm pressure piston cylinder From previous experiments, this chemical reaction is known to release 126. kJ of energy. water bath gases The position of the piston is monitored, and it is determined from this data that the system does 118. kJ of work on the piston during the reaction. exothermic Is the reaction exothermic or endothermic? x10 endothermic up Does the temperature of the water bath go up or down? down neither in Does the piston move in or out? out neither in Does heat flow into or out of the gas mixture? out neither How much heat flows? Be sure your answer has the correct number of significant digits. |kJA mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous products. The cylinder has a piston that moves in or out, as necessary, to keep a constant pressure on the mixture of 1 atm. The 1 atm pressure piston cylinder is also submerged in a large insulated water bath. (See sketch at right.) cylinder From previous experiments, this chemical reaction is known to release 364. kJ of energy. water bath The position of the piston is monitored, and it is determined from this data that the system does 384. kJ of work on the gases piston during the reaction. O exothermic Is the reaction exothermic or endothermic? O endothermic O up Does the temperature of the water bath go up or down? O down O neither O in Does the piston move in or out? O out O neither O in Does heat flow into or out of the gas mixture? O out O neither How much heat flows? Be sure your answer has the correct number of significant digits.