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30.05.2021 20:27
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21. Which substance is a gas at 45 degrees C?* A. Ethanol O B. Hexane C. Methane
21. Which substance is a gas at 45 degrees C?* A. Ethanol O B. Hexane C. Methane O D. Methanol
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Svetakotok
4,5(47 marks)
KE=1/2mv^2
KE=1/2(282)(4)^2 or 282*16
3512/2= 1756
So the answer is 1756 J.
KE=1/2(282)(4)^2 or 282*16
3512/2= 1756
So the answer is 1756 J.
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