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Which of the following undergoes substitution by the SN2 mechanism at the fastest rate?
a. 1-Bromo-2-methylbutane
b. 2-Bromo-2-methylbutane
c. 2-Bromo-3-methylbutane
d. 1-Bromo-2,2-dimethylbutane
e. 2-Bromo-2,3-dimethylbutane
Calculate the pH of a solution that is 1.20×10^?3 M in HCl and 1.00×10^?2 M in HClO2. Express your answer using three decimal places
A graduated cylinder contains 25.0 of water. What is the new water level after 34.2 of silver metal with a density of 10.5 is submerged in the water.
How many moles of H+ ions are present in the following aqueous solutions? (a) 1.1 L of 0.48 M hydrobromic acid (b) 47 mL of 2.4 M hydroiodic acid (c) 477 mL of 0.27 M nitric acid
Which species exhibit hydrogen bonding. I. H3C - O - CH3 II. CH3 - CH2 - OH III. CH3 - CH2 - NH2
Imagine a single DNA strand containing a section with the following base sequence: 5'-GCATTGGC-3'. What is the base sequence of the complementary strand
How much 0.230M KOH is required to completely neutralize 55.0mL of 0.220M HClO4
At 0.0oC, if the volume of air is 2.9 mL and the pressure of the atmosphere that day is 675 mmHg, what is the number of moles of air?
a student dispensed 82mL sodium hydroxide(titrant) into the lemon juice(analyte) before the end point was reached. Estimate the analyte concentration, assuming that the acid in the lemon juice is monoprotic.
A gas measures 10ml at 27degree celcius and 750mm of mercury what will be the mole of gas at 15degree celcius and 750mm of mercury
An enantiomerically pure acid is treated with racemic mixture of an alcohol having one chiral carbon.
For the reaction Na2CO3(aq)+2HCl(aq)= 2NaCl(aq)+CO2(g)+H2O(l), suppose you have 100 mL of 3.80M Na2CO3. How many milliliters of 0.920 M HCl would you have to add to the sodium to consume the Na2CO3 completely
after 50 g of certain substance is heated in air until no further reaction occurs 39.9 g of metal is left. is the
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