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Humans have three types of cone cells in their eyes, which are responsible for color vision. Each absorbs a certain part of the visible spectrum. Suppose a particular cone cell absorbs light with a wavelength of 572.nm. Calculate the frequency of this light.
on a laboratory shelf was of undetermined concentration. If the pH of the solution was found to be 2.39, what was the original concentration of the acetic acid
A solution of sulfuric acid is prepared by mixing 66.7 mL of 18.0 M sulfuric acid with 233.3 mL of 1.50 M sulfuric acid, and diluting with water to the total volume of 500 mL. What is the molarity of the final solution
Explore how mitochondrial disease can occur at multiple levels in different mitochondrial processes- Explain what would hypothetically happen to the amount of ATP available to a cell if the entire Cori cycle were to occur and remain within a single ..
A balloon is inflated with 0.2494 g of helium to a pressure of 1.26 atm. If the desired volume of the balloon is 1.250 L what must the temperature be in degree celcious
Nitrosyl bromide, \rm NOBr, is formed in the reaction of nitric oxide, \rm NO, with bromine, \rm Br_2: \rm 2NO(g)+Br_2(g)\rightleftharpoons 2 NOBr(g) The reaction rapidly establishes equilibrium when the reactants are mixed.
Use the thermodynamic data provided below to determine ΔG (in kJ/mol) for the condensation of C3H7OH at 102.93 °C if the initial partial pressure of C3H7OH is 1.03 atm. Report your answer to one decimal place in standard notation (i.e. 123.4 k..
Regard as the chemical reactions taking place during the electrolysis experiment, explain which observations should you expect to see
A 0.456 gram sample of an unknown monoprotic acid (let's call it HZ) was dissolved in some water . Then the acidic solution was titrated to the equivalence point with 32.5 mL of 0.174 M KOH.
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.140 M HClO (aq) with 0.140 KOH (aq)
At 22 °C an excess amount of a generic metal hydroxide M(OH)2, is mixed with pure water. The resulting equilibrium solution has a pH of 10.21. What is the Ksp of the salt at 22 °C?
Determine the vapor pressure lowering at 27C of a solution of 75g of sucrose dissolved in 180 g of water. Vapor pressure of pure water at 27C is 26.7 torr
Consider the acid-base nature of calcium fluoride, CaF2, when it is dissolved in water.
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