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1. When driving across Death Valley (a desert valley located in Eastern California's Mojave Desert, the lowest, driest, and hottest area in North America) in the summer time, it is recommended that you release some air from your tires before making the crossing. Using the principles of gas laws, explain why it is a good idea to follow this recommendation.
Use the preceding information to predict the value of E for a silver-silver chloride electrode saturated with KCl. For the silver-silver chloride electrode, E° = 0.222 V
What is the pH of a 0.1 M solution of ethylamine, given that the pKa of ethylammonium ion
An antacid tablet requires 25.82 mL of a .200 M HCl to titrate to its equivalence point. What Volume in mL of stomach acid can be neutralized by the antacid tablet? assume that stomach acid has a pH of 1.1.
Only include the heat capacity of water and neglect the heat capacity and specific heat of the HCl and NaOH. a. Calculate the heat of reaction for the sample (kJ) b. calculate the heat of the above reaction in J/mol of HCl
The immediate product of decaying Uranium-238 is Lead-206. A sample containing a mixture of Lead-206 and Uranium-238 is made up of 18.56% Lead-206.
At 25 c the ion product of water, Kw is 1.9 x 10^-14. What is the concentration of hydroxide ions in a solution where the concentration of hydrogen is found to be 5.0 x 10^-15 mol dm^-3.
What is the molecular weight of the unknown acid. The same acid in #1 is titrated; the pH of the solution after the addition of 22.10 ml of base is 5.02. What is the Ka for the acid
10 ml of a silver nitrate solution is titrated to the equivalence point with 8.5 ml of a .1100 M HCL solution. What is the concentration of the silver nitrate?
A chemical engineer injects limestone into the hot flue gas of a coal burning power plant to form lime, which scrubs SO2 from the gas and forms gypsum (CaSO4.2H2O). Find Kc for the following reaction
Which substance meets the requirements: crsytalline solid; brittle; poor electrical conductor in the solid state; good conductor in liquid phase; melts at high temperature
An open container holds 0.550 kg of ice at - 15.0 degree celsius. The mass of the container can be ignored. Heat is supplied to the container at the constant rate of 800 J/min for 500 min .
Determine the molar concentration of the original acid solution and find pH and a % ionization of the acid in the original solution.
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