yPNW WEEK 5-Fal 2018-SC Secure https://mycoursespurdue.edu/webapps/assessment/ta
ID: 153583 • Letter: Y
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yPNW WEEK 5-Fal 2018-SC Secure https://mycoursespurdue.edu/webapps/assessment/take/launchJSp? QUESTION 8 If a gas is in thermal equilibrium and the volume i's contained in expands, we expect the a O Increase Decrease O Stay the same O Not enough information to determine QUESTION 9 What is hitting you when you are outside? Photons Atoms O Protons Electrons QUESTION 10 Which is the temperature of the surface of the sun? 500 K 2400 K 5800 K Click Save and Submit to save and submit. Click Save All Answers to save all answersExplanation / Answer
8. prediction that the question is asking about pressure chnge the answer will be that the pressure will tend to decrease beacuse as per the Clausius claperon equation P/T = S/V i.e. pressure is inversly proportional to volume hence as volume expands the average pressure will drop.
9. atoms are hitting us when we are outside because all the living or non living matters on earth is made up of atoms hence this answer.
10. its 5800 Kelvin because the surface of sun has a temperature of nearly 5500o C so to get it in degree we have to add 273 into degree celsius. Because sun under goes hydrogen fusion hence the heat released from its inside causes its temperature rise.
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