Chemistry, 24.12.2019 03:31 SucMaDongShan
2. on a summer day, you take a road trip through moses lake, wa, in a sports car. you start out at a temperature of 21°c in the morning, but the temperature in moses lake will reach a peak of 55°c. each tire on your car holds 15.2 l of nitrogen gas at a starting pressure of 247 kpa. the tires will burst if the internal pressure exceeds 270 kpa. answer the following questions and show your work. (no work = no credit) r = 8.31 o how many moles of nitrogen gas are in each tire? o what would the maximum tire pressure be at 50 degrees c? o will the tires burst in moses lake? explain. o if you must let nitrogen gas out of the tire before you go, to what pressure must you reduce the tires before you start your trip? (assume no significant change in tire volume.)
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Answer asap need by wednesday morning explain how a buffer works, using an ethanoic acid/sodium ethanoate system including how the system resists changes in ph upon addition of a small amount of base and upon addition of a small amount of acid respectively. include the following calculations in your i. calculate the ph of a solution made by mixing 25cm3 0.1m ch3cooh and 40cm3 0.1m ch3coo-na+. [ka = 1.74 x 10-5 m] ii. calculate the ph following the addition of a 10cm3 portion of 0.08 m naoh to 500cm3 of this buffer solution. iii. calculate the ph following the addition of a 10cm3 portion of 0.08 m hcl to 200cm3 of the original buffer solution.
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2. on a summer day, you take a road trip through moses lake, wa, in a sports car. you start out at a...
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