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How many moles of N2O contain the same number of nitrogen atoms as 4.60g of NO2
Consider the reversible reaction: 2NO2(g)?N2O4(g)^-1 If the concentrations of both NO2 and N2O4 are 0.016 mol • L , what is the value of Qc? The answer is supposed to be 63 but how and why?
A point mass rotates in a circle with l = 2. Calculate the and the possible projections of the angular momentum on an arbitrary axis.
Explain the steriochemisty of gyceraldehyde and glycerol, give reasons for absence of anomeric forms in sucrose
What alkene (including cis and trans isomers) would be produced by the dehydration of the following alcohols? Where possible, predict the relative amounts of each product according to Zaitsev's rule. a. 3-pentanol b. 2-methyl-2-butanol c. 1-butano..
The absorbance maxima observed for the following cobalt complexes ([Co(NH3)6]3+ ?max = 470 nm, [Co(NH3)5Cl]2+ ?max = 560nm, [Co(NH3)4Cl2]+ ?max = 630 nm, and [Co(NH3)3Cl3] ?max = 680 nm) can be identified with transitions involving d-electrons. a)..
It is desired to inflate a baggie with a volume of 869 milliliters by filling it with hydrogen gas at a pressure of 0.847 atm and a temperature of 296 K. How many grams of H2 gas are needed? answer in g please
Molecular orbital templates for diatomic molecules from the 2nd period elements are attached to the back of the exam. Use the appropriate diagram to determine the bond order in the O2+ ion.
How many grams of copper are in the necklace? 3. If 18-karat gold has a density of 15.5 , what is the volume in cubic centimeters?
A certain aldose is added to an aqueous sodium hydroxide solution. After equilibrium is reached it is found that there are 3 open chain sugars in the solution. Draw the enediol that is believed to be the intermediate.
Suppose there are two known compounds containing the generic elements X and Y. You have a 1.00-g sample of each compound. One sample contains 0.32 g of X and the other contains 0.41 g of X. Identify plausible sets of formulas for these two compoun..
Ethan contain 2.659 carbon and .668 gm of H, and one sample of acetylene contains 4.59 g of carbon and .382 gm of h. write emperical formula for ethane , acetylene
propose a mechanism for the conversion of glucose 6-phosphate into fructose 6-phosphate by phosphoglucose isomerase based on the mechanism
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