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Determine the volume of 0.215M KOH solution required to neutralize each of the following samples of sulfuric acid. The neutralization reaction is: H2SO4(aq)+2KOH(aq)?K2SO4(aq)+2H2O(l)
1. 15mL of 0.215M H2SO4
2. 155mL of 0.130M H2SO4
3. 40mL of 0.115M H2SO4
Assuming that the loss of ability to recall Chem 401 material is a first-order process with a half-life of 55 days for the traditional (talking head lecture) and a C of 305 days for the active approach,
Creatine is a by-product of muscle metabolism, and creatinine levels in the body are known to be a fairly realiable indicator of kidney function.
Treatment of the bicyclic chloride A with lithium in tetrahydrofuran (THF) gave the monocyclic product B, C9H9Li. In deuterated THF, B exhibited a single proton NMR signal at 6.72 ppm
The initial mass of the the crude ether was 141 mg. The mass after recrystallization was 121 mg. Calculate the percent recovery from recrystallization.
what is the molarity of the solution formed by mixing 0.20 mol of sodium hydroxide with enough water to make 150 ml of solution
The average molecular speed in a sample of CH4 gas is 641 m/s at 311 K. The average molecular speed in a sample of He gas is ________ m/s at the same temperature.
treatment of ortho-xylene with CH3COCl and AlCl3 followed by hydrolysis gives virtually a single product(one isomer). Treatment of this product with NaOCl in base followed by acidification gives a crystalline solid. Write equations for these react..
When 1 gram of nitroglycern, C3H5(NO3)3, decomposes to form nitrogen gas, oxygen gas, gaseous carbon dioxide, and liquid water, 1.9 kcal of heat is evolved. How much heat is evolved per mole of gas formed in the decomposition of nitroglycerine?
An equilibrium mixture of this reaction at a certain temperature was found to have [NH3]= 0.270M and [H2S]= 0.360M. What is the value of the equilibrium constant (Kc) at this temperature?
The recommended dose is 10 body weight. How many of this suspension should be given to an infant weighing 16
In 1986 an electrical power plant in Taylorsville, Georgia, burned 8,376,726 tons of coal, a national record at that time.
If the enery of the products is less than the energy of reactants then the speed of collision has no effect on the rate of the reaction. B) The energy of the collision of molecules must be great enough to overcome the bond energy of the products.
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