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Ethylene glycol is used as automobile antifreeze. 6.38 g of this compound contains 2.47 g of carbon and 0.620 g of hydrogen. The rest is oxygen. The molar mass is 62.0g/mole. What are the empirical and molecular formulas of ethylene glycol?
At 30°C, by how much is a reaction's activation energy decreased by the addition of a catalyst if the catalyst triples the reaction rate?
In N2O, nitrogen is the central atom and the oxygen atom is terminal. In OF2, however, oxygen is the central atom.Use formal charges to explain why.
A 100.0 mL aliquot of 0.100 M weak base B (pKb = 5.000) was titrated with 1.00 M HClO4. Find the pH after 3.4 mL of acid is added. Find the pH after 11.0 mL of acid is added.
If 62.0 g of NH3 and 35.0 g of oxygen gas react, which is the limiting reagent. How much NO2 is produced
A proton that absorbs radio frequency radiation at higher field strength will appear ________ in a 1H NMR spectrum a.) at 0 ppm
The complete conversion of 2-phenylacetic acid to ethyl-2-phenylacetate in this experiment is the result of. Ethanol being in excess relative to 2-phenylacetic acid
You are about to perform a reaction that requires 1.25 mol of CaCl2 to go to completion. The solution available in the stock room has a concentration of 33 % w/v. How many mL of this solution will you need to use
what are some possible sources of error that might lead to an erroneous determination of the concentration of the
Given that the Ksp for silver bromide is 3.3 x 10-13, which of the following solutions would NOT produce a precipitate of AgBr? and WHY?
using a sample of 35.00 ml of hcl solution after titrating it with a 0.1477 m naoh solution. it is observed that a
calculate the molality and molarity of an nh3 solution made up of 28.5 g of nh3 in 70.0 g of water. the density of the
forty-two 42.0 grams of nitrogen gas at 298 k and 745 torr has a volume of 37.42 l. what volume will it occupy if the
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