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What is the molarity of I2 when 5.00g of iodine is dissolved in enough dichloromethane to make 50.0 mL of solution
2H2S (g) + 3O2 (g) → 2H2O (g) + 2SO2 (g) If 3.50 G Of H2S Are Used In The Above Reaction, What Will Be The Theoretical Yield Of Water In Grams?
Which halide has he lowest boiling point? Explain your choices. (CH3)2CH2Br vs CH3CH2CH2Br c. Which is a better nucleophile? Explain our choice.
Calculate the k value associated with the reaction at 25 degrees celcius given the Gibbs free energy of formation of N2H4 is -419.15Kj/mol
Rubidium has two naturally occurring isotopes with the following masses and natural abundances, Calculate the atomic weight of rubidium.
If you shine a light beam through this sample, minimal light passes through ( assume no light passes through). What if your sample allows 50% of light to pass through? How many bacteria are in your sample.
Determine the delta H of decomposition of 1.000 mole of solid KCIO3 into solid KCI and gaseous oxygen.
Alpha helices are a type of secondary structure in proteins. what is the length of a 53-kDa single-stranded alpha-helical protein segment?
If the concentration of CO in the equilibrium mixture is 0.2 M, what mass of methanol was initially introduced into the vessel?
A student has prepared a 0.309 M solution of Barium hydroxide and a 0.443M solution of hydrochloric acid for you. Determine the volume of the hydrochloric acid solution will be needed to exactly neutralize 10.0 mL of the Barium chloride solution.
A chemist isolates a colorless liquid with the properties of cyclohexane (M= 84.2 g/mol) from a petroleum sample.
Suppose a buffer solution is made from formic and (HCHO2) and sodium formate (NaCHO2). What is the net ionic equation for the reaction that occurs when a small amount of hydrochloric acid is added to the buffer?
A saturated solution of Ag2CrO4 prepared by dissolving solid Ag2CrO4 in water has [CrO4]= 6.5x10^-5M. Calculate Ksp for Ag2CrO4.
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