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Engineers create systems that are ALWAYS perfectly efficient. Is this statement true or false?
y
True
False
Answers: 2
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If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?
Answers: 2
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Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.
Answers: 1
Engineers create systems that are ALWAYS perfectly efficient. Is this statement true or false?
y
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