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Why does the quantum mechanical description of many electron atoms make it difficult to define a precise atom radius?
What is the typical range of Ka and Kb values for weak acids and bases. Which value represents the weakest and which the largest. What would be the pH of solutions 0.1 M in the acid or base at the extremes of the range.
In peptides and proteins (peptides simply being smaller proteins), the amine nitrogens of amino acids are linked to the carboxyl carbons of other amino acids by peptide (aka amide) bonds formed by condensation reactions
Explain the factors that affect the acidity of carboylic acids. Why does this matter/ give evidence to support your claims and use a reaction
The respective molar heats of fusion and vaporization in kJ/mol for H2O are 6.008 and 40.67. Specific heats in J/g *C for the solid, liquid, and gas phases are 2.092, 4.184, and 1.841, respectively.
a student ran the following reaction in the laboratory at 338 k2 nog br2g 2 nobrgwhen she introduced 0.116 moles of
How many additional milliliters of titrant are needed to reach the first equivalence point of quinidine dihydrochloride. What is the pH at the first equivalent point
which of the following reactions proceeds to the left when equal concentrations of reactants and products are mixed
Use simple structure and bonding models to account for why xenon is capable of forming compounds like XeF4 while argon is not.
Why are the standard reagents used in neutralization titrations generally strong acids and bases rather than weak acids and bases?
how much energy is required to turn 9 g ice at 249 k into steam at 426 k?specific heat of ice 2.077 jgmiddotkspecific
Determine What is the difference in energy between the ground and excited state if the absorption spectrum of rhodopsin is centered at roughly 500. nm.? what is the probability of rhodopsin populating the first excited state At a physiological tem..
Air is 21% by vol oxygen. Oxygen has a density of 1.31 g/l what is the volume in liters of a room that holds enough air to contain 75kg of oxygen
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