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Modify isoleucine to illustrate the predominant form at pH 1, 7, and 13. Isoleucine has pKa values of 2.4 carboxyl group and 9.7 amino group. Include hydrogen atoms.
If the pressure exerted by ozone, in the stratosphere is 3.0*10^-3 atm and the temperature is 253 K, how many ozone molecules are in a liter?
mass m in a one dimensional box of length L? If the answer is yes, then express the energy of this trial wavefunction in terms of h, m, and L?
imagine that you have an ideal gas in a 8.90 l container and that 1550 molecules of this gas collide with a square-inch
Although the use of absorbances at 450 nm provided you with maximum sensitivity, the absorbaces at, say, 400 nm or 500 nm are not zero and could have been used throughout this experiment. would the same value of K be obtained at one of these wavel..
Classify each of the following as a compound, a homogeneous mixture, or a heterogeneous mixture. (a) wax (c) air (d) gasoline (e) iron(II) sulfide
?Hf0 for the formation of rust (Fe2O3) is -826 kJ/mol. How much energy is involved in the formation of 5 grams of rust.
Write the balanced equations for the reaction between magnesium metal and hydrochloric acid solution and for the decomposition of hydrogen peroxide into water and oxygen gas.
if the heat of combustion for a specific compound is -1180.0kjmol and its molar mass is 26.93gmol how many grams of
A gas has a volume of 95 ml at a pressure of 930 torr. what volume will the gas occupy if the pressure is increased to 970 torr?
the three species n2 co and cn- are isoelectronic. comment on the location of any formal charges in these moleculesion
Using the Clausius-Clapeyron Equation, estimate the melting temperature of ice below an adult wearing ice skates? How might this help someone skate? Some useful data: vL = 1.00 × 10?3 m3/kg hSL = 333.4 kJ/kg.
Assuming that the rate of a chemical reaction doubles for every 10 celcius temperature increase, by which factor would a chemical reaction increase if the temperature were increased from
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