An air conditioner using Freon as a gas removes heat of 1.5 k. Cal. s–1 from a large room. The power required to run it is 2 kW. If the typical value of q2/w is 1/10

that of a Carnot refrigerator and the temperature outside is 313 K.

[Cv = 0.064 J K-1 mol-1]

(a) Find the work done, w of the system.

answer:

technetium is the most reactive. this is followed by silver. the least reactive out of these three elements is strontium.

sup bro, im dumb, but this is what i found xd

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