Chemistry, 30.11.2019 08:31 heavenwatkins789
1. a mountain biker goes for a ride in the desert. the air temperature is 21°c at the start of the ride, but the temperature in the desert will reach a peak of 51°c. the tires on the bike hold 15.6 l of nitrogen gas at a starting pressure of 249 kpa. the tires will burst when the internal pressure (pb) reaches 269 kpa. answer the following questions and show your work. • how many moles of nitrogen gas are in each tire? • what will the tire pressure be at the peak temperature in the desert? • will the tires burst at the peak temperature? explain. • to what pressure should the tire pressure be reduced before starting the ride to avoid bursting of the tires in the desert heat? (assume no significant change in tire volume.)
Answers: 1
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Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?
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Chemistry, 22.06.2019 23:30, znewkirk4741
Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mm glucose and 1 mm sodium chloride. if the vesicle is placed in pure water, which of the following happens faster? a. na+ diffuses out. b. cl– diffuses out. c. h2o diffuses in. d. glucose diffuses out. e. sodium chloride diffuses out.
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