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1. A mass of hydrogen occupies 25m3 at 15C and 1.4x105Pa. What is its volume at -32c and 3.70 x105 Pa? 2. A 327W power

1. A mass of hydrogen occupies 25m3 at 15C and 1.4x105Pa. What is its volume at -32c and 3.70 x105 Pa? 2. A 327W power was used to raise a 50kg body 2m above the ground. Find the time consumed

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