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Depict Fischer projection formulae of all stereoisomers of 3, 4-Dimethylhexane noting all the pairs of diastereomers and enantiomers
If the position of the car is known to within 5.0 feet at the time of the measurement, what is the uncertainty in the velocity of the car?
In a titration of 25.80 mLs of 0.256 M HCOOH (formic acid, Ka = 1.8x10-4) with 0.286 M KOH, how many mLs of titrant will be required to reach the equivalence point?
Which of the following compounds has the greatest Coulomb force. Which has the smallest? Enter the name of the compound.
A tunable dye laser emits pulses of light at 483.0 nm, each having a total energy of 4.8E-6 J. Calculate the number of photons in each pulse
A solution is made by mixing 12.0g of NaOH and 70.0mL of 0.200m HNO3. Calculate the concentration of OH- ion remaining in the solution.
If a solution containing 48.91 g of mercury(II) acetate is allowed to react completely with a solution containing 7.410 g of sodium sulifide how many grams of a solid precipitate will be formed?
The enthalpy of solution of nitrous oxide (N2O) in water is -12 kJ/mol and its solubility at 20 oC and 1.00 atm is 0.121 g per 100. g of water. Calculate the molal solubility of nitrous oxide in water at 0.400 atm and 20 oC. Hint, first find Henry..
a student is asked to calculate the amount of heat involved in changing 10 grams of liquid bromine at room temperature (22.5 C) to vapor at 59 C. To do this, one must use tables 8.1 and 8.2 for information on the specific heat, boiling points
Calculate the theoretical amount of 2.5 M NaOH (10%) solution needed to convert the benzoic acid to its water-soluble salt. Is the combined volume of NaOH used in the extractions sufficient for complete deprotonation of benzoic acid
If the freezing point of a 0.106 m acetic acid solution is -0.203 C, Calculate the percent dissociation of the acid.
Complete and balance the equation for this reaction in basic solution. Phases are optional.
Propose a mechanism for the acid-catalyzed syntheis of 4,5-dimethyl-dioxxolane from formaldehyde and 2,3-butanediol
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