In the morning, when the temperature is 300 K, a bicyclist finds that the gauge pressure in her tires is 450 Kpa. That afternoon she finds that the gauge pressure in the tires has increased to 465 Kpa. What is the afternoon temperature?
Final Temperature = 310 KFinal Temperature = 299 KFinal Temperature = 300 KFinal Temperature = 290 K
pls help #4?
2020-11-03 1:20 pm
回答 (1)
2020-11-03 1:28 pm
✔ 最佳答案
Note that it is "kPa" instead of "Kpa".Morning: T₁ = 300 K, P₁ = 450 kPa
Afternoon: T₂ = ? K, P₂ = 465 kPa
For a fixed amount of a gas at constant volume, P₁/T₁ = P₂/T₂
Then, T₂ = T₁ × (P₂/P₁)
Final temperature, T₂ = (300 K) × (465/450) = 310 K
收錄日期: 2021-04-23 23:07:09
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https://hk.answers.yahoo.com/question/index?qid=20201103052043AAYv1VW