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Consider the reaction Br2(g) <=> 2 Br(g), which is endothermic as written. What would be the effect on the equilibrium position of decreasing the temperature?
What is the volume of a sample of chlorine gas with a density of 0.0032 g/cm3 and a mass of 1.45 g?
What is the pressure of the gas in this mercury manometer if h = 73 mm and atmospheric pressure
In a titration of HNO3, you add a few drops of phenolphthalein indicator to 50.00 mL of acid in a flask. You quickly add 26.50 mL of 0.0502 M NaOH but overshoot the end point, and the solution turns deep pink.
Why is a vapor unlikely to behave as an ideal gas near temperature at which vapor would liquefy?
If this gas is brought to a final temperature of 150 degrees Celsius while the volume is held constant, what is the final pressure?
Thin layer chromotography it would be caffeine, but why? both have amide functional groups making them very polar, so why is caffeine more polar?
Explain how a compound like eugenol could be seperated from a mixture of other organic compounds that have no significant acidity
ond weighs 44.0 carats. Determine the volume occupied by the diamond, given that its density is 3.5 g/cm3 at 20°C, and that 1 carat = 0.200 g.
Calculate the pH at the first equivalence point. d) How many mL base, total, must be added to achieve the 2nd equivalence point?
How many grams of CaCO3 are produced when you react 55.2 mL of 0.150 M Ca(NO3)2 with 0.655 g of Na2CO3? How many grams of Na2CO3 remain unreacted? How many grams of Ca(NO3)2 remain unreacted?
If the density of the solution is 1.1094 g/mL, what is the molarity of the sulfuric acid?
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