Explain molecules water and methane have similar masses
The molecules water and methane have similar masses but, methane changes from a gas to a liquid at -161 degrees Celsius. Water can become a gas at 100 degrees Celsius. What could account for the difference?
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An electric motor is rated at 10 horsepower (HP) and costs $800. Its full load efficiency is specified to be 85%. A newly designed, high-efficiency motor of the same size has an efficiency of 90% but $1200.
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The heat of combustion for this reaction = 2044 kJ heat released per mole of propane burned. How many grams of oxygen would be required in the combustion of propane to produce 582 kJ of heat?
Methane changes from a gas to a liquid at -161 degrees Celsius. Water can become a gas at 100 degrees Celsius. What could account for the difference?
Calculate the pore water pressure which must not be exceeded at any point in the clay layer 9 m below the surface of the embankment to ensure a shear strength of 100 kPa.
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If 1 gallon of paint can cover a square room and ceiling with walls that are 9.36 feet high and 9.36 long, what is the thickness of the paint (in micrometers)?
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A wildlife conservation organization introduced a program to protect an endangered bird species by restricting human activity in certain areas
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