HW 10-1 - 1. (5) How much air (volume) at ambient pressure...

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1. (5) How much air (volume) at ambient pressure and temperature is in the inside of basket ball? 2. (10) You burn 1 gallon of gasoline (assume it is pure octane) in air (assume initially 25% oxygen, 75% nitrogen) at initially ambient conditions. Assume the products have a temperature of 1300K. By how much did the volume increase?
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3. (5) How long would a H 2 , N 2 , CO 2 molecule need to get from UCR to San Francisco moving in a straight line? Assume reasonable outside temperatures and average velocities. Why does it take much longer in reality?
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4. (15) Your car engine provides force by means of burning fuel with air in its cylinders. Assume for simplicity that gasoline consists to 50% of benzene and 50% of octane, which in the liquid state occupy no volume compared to gases. Assume further that air consists of 25% oxygen and 75% nitrogen. Assume that fuel injection and combustion occurs in a cylinder, when the air in it is compressed to 5 bar, i.e. the cylinder volume at the compressed state is 1/5 of its maximum volume. Assume that
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HW 10-1 - 1. (5) How much air (volume) at ambient pressure...

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