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Ethylene glycol, CH2(OH)CH2(OH), an important ingredient in automobile antifreeze, is much more soluble in water than octyl alcohol, CH3(CH2)6CH2OH, because
a. ethylene glycol has much less non-polar character than has octyl alcohol.
b. hydrogen bonding is weaker in ethylene glycol than in octyl alcohol.
c. octyl alcohol ionizes completely whereas ethylene glycol does not.
d. ethylene glycol can form hydrogen bonds with water but octyl alcohol cannot.
When the reaction 2BrF5(g) Br2(g) + 5F2(g) reaches equilibrium, which of the following statements applies:
what impurities do you think are probably in your crude aspirin product? where do those impurities go in the
Use the appropriate relationships from the chapter of electrons in Atoms to determine the wavelength of the line in the emission spectrum of He+ produced by an electron transition from n=5 to n=2
A mixture of 3.50 moles of B and 5.25 moles of C in a 20.0 L container is allowed to come to equalibrium. What is the equalibrium concentration of A?
The precipitate was filtered, dried, and weighed. A total of 1.55 g calcium flouride was collected. What was the percentage of CsF in the original sample.
Hg(NO3)2(aq) + Na2S(aq) --> HgS(s) + 2 NaNO3(aq) If 50.0 mL of 0.0100 M Hg(NO3)2 is reacted with 20.0 mL of 0.100 M Na2S, how many grams of solid HgS will form
Hydrogen fluoride is a highly reactive gas. It has many industrial uses, but the most familiar property of HF is its ability to react with glass. As a result, HF is used to etch glass and frost the inner surfaces of light bulbs.
Calculate the concentration of H3PO4 if 25.00 mL of the acid is titrated with 38.77 mL of 1.723 M KOH to produce K3PO4 and water.
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Light of wavelength 540 nm is incidenct on a slit of width 0.150, and a diffraction pattern is produced on a screen that is 2.00 from the slit. What is the width of the central bright fringe
Determine the empirical formula of the amino acid, given an amino acid which consists of the elements carbon, hydrogen, nitrogen, and oxygen.
What is theoretical yield of nitrogen monoxide in grams d. How many moles of excess reactant remain e. What is the % yield of the reaction
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