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At 25?°C, the vapor pressure of diethyl ether is higher than the vapor pressure of its isomer n-butanol, because
A. diethyl ether has a higher density than n-butanol.
B. diethyl ether has weaker intermolecular forces than n-butanol.
C. diethyl ether has a higher surface tension than n-butanol.
D. diethyl ether has weaker intramolecular forces than n-butanol.
E. diethyl ether has a lower critical temperature than n-butanol.
depending on temperature, RbCl can exist in either the rock-salt or cesium-chloride structure. What is the coordination number of the anion and cation in each of these structures?
When 25mL of a 120mL stock solution containing 2M AlCl3 is diluted to 80mL, how many moles of Al3+ are in the new solution.
An analytical procedure requires a solution of chloride ions. how many grams of caCl2 must be dissolved to make 2.15 L of 0.0520 M Cl-.
Calculate the integral of dqrev / T for each of the 4 steps in the Carnot cycle of, and sum them to prove that their sum equals zero
Write the formulas for each of the following ions and compounds: (a) tetrahydroxozincate(ll) (b) pentaaquachlorochromium
spheres that detect glucose have a diameter of 10nm and are tightly packed into patches. Calculate the number of spheres in a 3-d patch of spheres that is 3mm high and has an area of 6mm^2.
Calculate the theoretical yield of C2H5Cl when 138 g of C2H6 reacts with 218 g of Cl2, assuming that C2H6 and Cl2 react only to form C2H5CL and HCl.
Construct a Beer†TM s Law plot and determine concentration of a solution X. When a 1 ml sample of solution X was combined with 4 mL of distilled water it had an Absorbance of 0.19.
The first order reaction SO2CL2 yields SO2+ Cl2 is 10% complete in 80 min. How long would it take for the reaction to be 95% complete?
Bonding in some solids does not fit neatly into one of the four categories. Explain why the bonding in Na2CO3 is not purely ionic.
Spica has a surface temperture of 23kK (2.3 x 10^4 K). At what wavelength does Spica emit the maximum intensity of light?
Given a pure preparation of these algae, and the required supplies and equipment, devise and outline an empirical procedure for purifying Enzyme X.
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