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Calculate the pH of a solution containing 0.085M nitrous acid (ka = 4.5 x 10-4) and 0.100M KNO2.
Calculate the value of heat of vaporization for this liquid Calculate the normal boiling point of this liquid.
At what temperature will a sample of nitrogen gas with a volume of 328 mL at 15°C and 748 mmHg occupy a volume of 0.898 L at a pressure of 642 mm Hg? Assume the amount of the nitrogen gas does not change.
calculate the colume of a .200 M NaOH solution needed to neutralize 40.0 mL of .600 M H2SO4 solution.
a stainless steel spoon weighs 25.2 g and is at a temperature of 18.5 oc. it is immersed in 81.7 ml of hot coffee t
A L flask is filled with 1.35 g of argon at 25 C. A sample of ethane vapor is added to the same flask until the total pressure is 1.45 atm.
Predict the precipitate that forms when aqueous solutions of silver nitrate and potassium chloride react to form products in a double-replacement reaction. Include a discussion of how to write the complete chemical equation describing this reactio..
Describe the experiment(s) (as necessary), observations (as necessary), and results (as necessary) which would allow you to distinguish between
Unfold the enzyme with urea and 2-mercaptoethanol. Then incubate and crystallize it in the presence of the substrate followed by X-ray crystallography.
what is the electron domain geometry and molecular geometry for iodine
Are the following processes exothermic or endothermic. the combustion of gasoline in a car engine water condensing on cold pipe CO2(s) CO2(g) F2 2F(g)
Assume that RNA polymerase will read the top strand of DNA as the "template" to synthesize mRNA. What will be the sequence of the mRNA synthesized?)
1. what must be happened to the extent of interaction for a much longer hydrocarbon chain like cetane for example
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