Calculate the number of moles of gas in the sample
A sample of nitrogen in a 4.5L container at a temperature of 27 degrees C exerts a pressure of 4.1 atm. Calculate the number of moles of gas in the sample.
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The average distance between Mars and Earth is about 1.3 x 10^8 miles. How long would it take TV pictures transmitted fromt he Viking space vehicle on Mars' surface to reach Earth? ( 1 mile = 1.61 km)
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