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What will the following peptides look like structurally at pH 1, pH 7, pH 12. (You will draw 3 structures for each.)
A.) Ala-Gln-Lys-Phe
B.)Ser-Met-Lys-Val
At constant external pressure (1.2atm), the temperature of 3.25 mol of ideal gas increased from 250K to 305K. Calculate the internal energy change ΔE.
if i have 0.621 mole of potassium chlorate that decomposes by heat, what is the amount of the oxygen in moles?
The rate at which an Australian tree cricket chirps is 184 per minute at 35oC, but only 50 chirps per minute at 10oC. Assuming that cricket chirping follows the Arrhenius Law, what is the activation energy for the cricket chirping (in kJ/mol)? Ent..
how many grams of asprin were lost in the washing process you used to purify your product assuming you used 50ml if
If a few drops of water on the outside of the hot water syringe used to dispense the 5.00 mL sample into the calorimeter well for the Kcal determination fell into the well
The lengths of chemical bonds in H2 and in other compounds formed from hydrogen isotops is about .74 x 10^-10 m. Estimate the bond length in molecules where the muon replaces the electron.
Water can be separated into hydrogen and oxygen gases by using electricity to break the bonds in a process called electrolysis. The reaction is:
Prepare an electrochemical cell by connecting the negative terminal of a voltmeter to a strip of zinc in a solution of 0.500 M ZnCl2(aq) and the positive terminal to a strip of copper in a solution of 0.100 M CuCl2(aq). The two half-cells are conn..
Asumming equal concentrations of conjugate base and acid, which one of the following mixtures is suitable for making a buffer solution with an optimum ph
the heat capacity of liquid water is 4.18 jg degrees c and the heat of vaporization is 40. kjmol. how many kilojoules
assume that you have two unlabled bottles, one with cyclohexane and one with cyclohexene. How could you tell them apart by carrying out chemical reactions
How much time is required to produce 200g of aluminum metal from molten aluminum oxide dissolved in cryolite, if you use a 12amp current
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