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.
A solution is prepared by adding 30.0ml of 0.060M HBr to 130.0ml of 0.40M HI. Calculate the concentrations of all species in this solution HBr and HI are both considered strong acids.
find the rate of formation of the ammonium ion the instant 100 cm3 of 0.15 M ammonia is mixed with 100 cm3 of 0.10 M nitric acid.
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.
Find the percentage composition of a compound that contains 1.94 g of carbon, 0.48 g of hydrogen, and 2.58 g of sulfur in a 5.00 g sample of the compound?
Using the periodic table, predict thr most stable ion for Na, Mg, Al, S, Cl, K, Ca, and Ga. Arrange these ions from largest to smallest radius and explain.
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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