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How many jules of energy are needed to change 275 g of water from 15 degrees celcius to steam at 50 degrees celcius?
Rank the relative nucleophilicity of the indicated species in ethanol. CH3OH CH3S- CH3COOH CH3O- CH3COO-
To change the equilibrium constant from Kp to Kc, the value of RT at room temp. (25'C) you would have use is:
What is the predicted number of 13C NMR peaks for methylcyclopentane and 1,2-Dimethylbenzene respectively
At 25 C the density of water is 0.997 g/cm^3, whereas the density of ice at -10 C is 0.917 g/cm^3. if a plastic soft-drink bottle (volume=250mL) is filled with pure water capped and then frozen at -10 C what volume will the soild occupy
In a solution of glucose and water, if 4.5% of the mass is glucose, how many grams of the solution contain 2.25 g glucose ?
The procedure calls for the addition of 7-8 drops of aqueous NaOH. What is the purpose of the base here? Be specific and show the reaction that occurs
portion of that solution is diluted by adding 167 mL of water. What is the final concentration? Assume the volumes are additive.
write the balanced net ionic equation for the reaction that produces the solid. Include phases and charges. c) calculate the percent sodium chloride in the original unknown mixture.
Hydrogen gas was cooled from 150C to 50 C. It's new volume is75 mL. What was it's original volume?
Some ice cubes at 0 degrees celsius with a total mass of 335 g. are placed in a microwave and subjected to 750. W of energy for 5 minutes.
element mercury has a density of 13.6 g/ml. how many kg of mercury could occupy a volume of 500ml?
inexperienced student reacted 3,3-dimethyl-1-butene with H2SO4/H2O. What major product was he surprised to isolate?
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