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A compressed air car has several advantages over conventional vehicles - it has zero emissions, refueling can be done at home and there is no hazardous or rare battery chemical to deal with. The engine of such a car relies on the expansion of compressed air from a tank to proviide power. According to a magazine article, one of handful of planned air cars models can hit 68 MPH and has a range of 125 miles. it will take only a few minutes to refuel at gas stations equipped with custom air compressor units; it should cost around $2 to fill the car's carbon fiber tanks with 340 liters of air at 4350 PSI. A)obtain the maximum work that can be obtained from the compressed air tank with the volume and pressure stated above. what is the effective mileage of this engine (miles per gallon of gasoline)? One gallon of gasoline provides 130 MJ of energy when burned. B) calculate the power required to run the custom air compressor units mentioned in the article, in order to allow refilling of tanks 5 min. What is the cost of electricity in $/KWh given $2 cost estimate for refuelAir can be considered an ideal gas with Cv=5R/2. State all assumptions
if the activation energy is 55kJ/mol, determine the rate constant at 26 celcius. dinitrogen tetroxide decompses to nitrogen dioxide with a rate constant
Use ΔG=ΔH-TΔS to calculate the standard free energy change, ΔG, at 25oC for the following reaction: CaCO3(s)-->CO2(g) + CaO(s)
Write the equation for the reduction reaction. D) If the potential of the silver, silver ion electrode, E standard sub Ag+, Ag is taken to be 0.000V in oxidation or reduction, what is the value of the potential for the oxidation reaction, E standa..
Why must Group IV be treated with (NH4)2CO3 in basic solution? What would happen if the solution were acidic when the sodium carbonate
The pH of blood is 7.35. It is maintained in part by the buffer system composed of carbonic acid (H2CO3) and the bicarbonate (hydrogen carbonate, HCO3-) ion. What is the ratio of [bicarbonate]/[carbonic acid] at this pH
Assuming these values change very little with temperature, over what temperature range is the reaction spontaneous in the forward direction?
Write another equation showing how it acts as a base toward water. Express your answer as a chemical equation. Identify all of the phases in your answer.
Ethanethiol (C2H6S) is a compound with a disagreeable odor that can be used to impart an odor to natural gas. When ethanethiol is burned, the sulfur reacts with oxygen to form SO2
Calculate the enthalpy change for the dissolution of NH 4 NO 3 and expree your answer in units of kJ/mol.
Gibbs free energy of formation for ammonia is -3.9 kcal/gmole and the standard heat of formation for ammonia is -10.96 kcal/gmole. Find the fugacity coefficient at the reaction conditions and calculate the effect of it on the reaction conversion.
Explain how mass effects act to lower the carbonyl frequency, as well as how inductive and hyperconjugation effects act to raise the carbonyl
A 2.55 g sample of naphthalene (C10H8) is dissolved in a 30.0 g of benzene (C6H6). Benzene freezes at 5.50 degrees C and the resulting solution freezes at 2.13 degrees C. What is the freezing point depression constant, K sub f, of benzene?
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