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Suppose a balloons was laying by the window at night. The next day, when the sun came up, it warmed the gas (air) that was in the balloon. What would be true about the density of the air in the balloon?
The most important commercial process for converting N2 from the air into nitrogen-containing compounds is based on the reaction of N2 and H2 to form ammonia (NH3)
ch3 h cl draw the two stereoisomeric markovnikov addition products of this reaction. are both products chiral? explain.
Calculate the solubility product constant for Pb(IO3)2 (4.3 x 10^-5 M), given that the molar concentration of saturated solution is as indicated in parenthesis.
What two conditions are considered when determining whether a molecule is polar or non-polar? What is the rule when using polar and non-polar solvents?
Calculate the heats of combustion for the following reactions from the standard enthalpies of formations listed in appendix 3: (a) 2H2(g) + O2(g) = 2H2O(l) (b) 2C2H2(g) + 5O2(g) = 4CO2(g) + 2H2O(l)
What volume in liters of gaseous hydrogen chloride can be prepared from 40.0 liters of hydrogen with excess of chlorine. All volumes are measured at STP.
Suppose solute A has a distribution coefficient of 1.0 between water and diethyl ether. Demonstrate that if 100 ml of a solution of 5 g of A in water were extracted with two 25 ml portions of ether a smaller amount of A would remain in the water t..
Define the concentration terms molarity, normality, weight percent(w/v%) , ppm
calculate the percentage by weight of oxygen in the product formed when a 2.60-g sample of selenium combines with
Should a stronger acid require more sodium hydroxide to neutralize it than a weaker acid? Why or why not.
The best means of personal protection from radiation for emergency responders is the implementation of three basic principles: time, distance and shielding.
What is the concentration of the acid and base form of acetic acid when you start the experiment? c) In the process of the enzyme catalyzed reaction, 5mM H+ is produced. What is the pH of the solution after the reaction is complete?
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