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How many covalent bonds with other atoms will a sulfur atom with 6 electrons in it's outer shell most likely make, and why?
Calculate the E0 for the following reaction by using the standard reduction potentials data in your lab manual.
What volume (mL) of a concentrated solution of magnesium chloride (9.00 M) must be diluted to 350. mL to make a 2.75 M solution of magnesium chloride
What volume (in mL) of 0.657 M solution of iron(III) chloride can be made from 52.3 mL of a 1.89 M solution? Assume the volumes are additive.
Calculate the pH of the solution which results from adding 38.54 mL of 0.1012 M KOH to the cyanic acid/cyanate buffer of the previous problem(*). You must show appropriate chemical equations for full credit.
Li is in row 2 of the periodic table, Na is in row 3, and K is in row 4. How do their row numbers affect how their electron configurations end.
Which of the following solutions is a good buffer system? A) A solution that is 0.10 M HF and 0.10 M NaC2H3O2 B) A solution that is 0.10 M NaOH and 0.10 M KOH C) A solution that is 0.10 M HC2H3O2 and 0.10 M NaC2H3O2 D) A solution that is 0.10 M HC..
refrigerators are usually kept at about 5 c while room temperature is about 20 c. if you were to take an empty sealed
The empirical formula of styrene is CH, its molecular weight is 104.1. What is the molecular formula of styrene
The specific rotation, [?]D, for (-)-malic acid is -27. What is the observed rotation for a solution of 0.75 g of (-)-malic acid in 10 mL of water in a sample tube having a pathlength of 10 cm
An electron is con?ned to a one-dimensional box of length L. It falls from the second energy level to the ground state, and releases a photon with a wavelength of 322 nm.
The formula for the volume of a sphere is V=4(3.167)r^3/3. Assuming a spherical shape, calculate the mean diameter of a blood cell in centimeters.
Draw the complete mechanism for the reaction that occurrs in this solvolysis experiment showing all intermediates and using curvy arrows to show electron movement.
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