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Compare in your mind 3 different liquids: pure ethanol, a 50% ethanol/water mixture and a 50 % ethanol/methanol mixture. Rank these three liquids in order of increasing Ptotal when each liquid is in equilibrium with its vapor at 25ºC.
Consider the following reaction. N2 + 3H2 -> 2NH3 . 28.0 grams of N2 and 5.04 grams of H2 are reacted, producing 17.8 grams of NH3. What is the percent yield?
Although the mechanism of the coupling process is not well understood, it is known that ratre appears to depend on the square of the concentration of the halide.
an ethylene glycol solution contains 21.2 g of ethylene glycol in 85.4 ml of water. compute the freezing point and
Isopropyl alcohol (I.P.A.) has a flash point of 53 degrees Fahrenheit. The outside temperature is 68 degrees Fahrenheit. While this product is being unloaded from a truck
cytochrome c oxidase receives electrons from reduced cytochrome c cyt cred and transmits them to molecular oxygen with
What metal occurs in a vast limestone deposits and combines with oxygen to form an oxide with a formula MO ?
A solution containing 0.750 g of an unknown substance in 30.0 g of cyclohexane was found to freeze at 3.1 C. What is the molar mss of the unlown substance?
Are Enzymes in Laundry Detergents Effective Stain Removers
It takes 49.0 J to raise the temperature of a 9.60 g piece of unknown metal from 13.0 degrees celsius to 24.5 degrees celsius. what is the specific heat for the metal?
What volume of 16M HNO3 will be needed to prepare 250mL of 0.50 M HNO3
at 0.967 atm the height of mercury in a barometer is 0.735 m. if the mercury were replaced with water what height of
We want to know the pressure at this condition, but there is no means of measuring it since the tube is sealed. However, if the tube is cooled to -20 degrees celcius, small droplets of liquid are observed on the glass walls. What is the initial pr..
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