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The energy of a photon of light is ___ proportional to its frequency and ___ proportional to its wavelength.
A solution contains 0.010 M silver ion and 0.0010 M lead(II). Sodium sulfate is dissolved to give a nominal concentration of 0.0010 M sulfate. Does a precipitate form?
An emission line K atom is found to have two strongly spaced components, one at 766.70 nm as well as the other at 770.11 nm. Account for this observation as well as deduce what information you can
a 0.50 sample of vegetable oil is placed in a calorimeter. when the sample is burned 18.9 are given off. what is the
What is the molarity of solution when .8292 grams of Nickel
How much heat (in kilojoules) is evolved or absorbed in the reaction of 2.45 of with enough carbon monoxide to produce iron metal?
Calculate tthe freezing point in centigrade units of a soluiton consisting of 685 grams of ethylene glycol dissolved
a 25.0 ml sample of H3PO4 requires 50.0ml of 1.50ml M NaOH for complete neutralization. what is the molarity of the acid?
Problem- Would the reason simple enols are less stable than the tautomeric keto form is because a c-c pi bond is weaker than the c-o pi bond, What does it mean when something tautomerizes
In proteins, the amino acid histidine (His) plays an significant role in many biological reactions. The pKa for the protonation of His to form HisH+ = 6.0. When pH = 7.0, explain what is the fraction of total histidine that will be in the HisH+ fo..
Which of the following is not the correct chemical formula for the compound named?
Consider the following reactions carried out at a constant temperature and pressure. In which of these will the amount of work done be positive, only the coefficients of the reactants are given. All species are gas unless otherwise noted.
What is the maximum mass of sucralose (C12H19Cl3O8) you can add to 2.50 kg of pure water and still have the solution freeze? Assume that sucralose is a molecular solid and does not ionize when it dissolves in water.
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