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How do you draw S-2 and connect with bonds? Include all lone pairs of electrons and nonbonding electrons and show the charge of the atom.
A solution is made by combining 10.0 mL of 16.5 M acetic acid with 5.60 g of sodium acetate and diluting to a total volume of 1.50 L. Calculate the pH of the solution.
A 74.0-mL sample of 0.13 M HNO2 (Ka = 4.0 × 10-4) is titrated with 0.14 M NaOH. What is the pH after 25.8 mL of NaOH has been added?
A certain automobile of mass 1635 kg travels on a German autobahn at 157 km·h-1. What is the wavelength of the automobile?
If 10.0 mL of .300 M KOH are required to neautralize 30.0 mL of gastric juice (HCl), what is the molarity of the gastric juice?
a) A particular chip snack food is composed of 11% protein, 10.% fat, and the rest carbohydrate. What percentage of the calorie content of this food is fat in%? b) How many grams of protein provide the same fuel value as 40. g of fat in g?
How is a "charge" different from a mortgage?
When distilling a pure compound, the boiling temperature remains constant although you are heating the flask. Why?
Explain the difference in the answers to question 2 and question 5. Which is the "correct" value for the concentration of the standard NaOH solution? Why?
The mean velocities of HCl gas and NH3 gas at 25 degrees Celsius are 450m/s and 660m/s respectively. With these speeds in mind, briefly explain why so much time was required for the HCl and NH3 to meet in the glass tube
How many grams of KO2 are needed to react completely with 7.328 g of CO2.
Suppose a piece of silver jewlery contains 5.00 * 10^22 of silver. how many dozens of silver atoms are in the piece of jewlery.
Solid calcium oxide reacts with solid ammonium chloride to produce gaseous ammonia, gaseous water, and solid calcium chloride. If 112 grams of calcium oxide were mixed with 224 grams of ammonium chloride
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