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What is the isoelectric point of the following tetrapetide that contains the amino acids represented by the single letters "ELYK", such that E is at the amino-terminal end of the peptide and K is at the carboy-terminal end.
Calculate the amount of heat (in kJ) required to convert 63.3 g of water to steam at 100°C. Use the correct amount of sig figs.
question for a given equilibrium reaction at 25 degrees celsius the equilibrium coefficient is 1.5x10 -4. if the value
Compare the stability of two conjugated dienes, and two nonconjugated dienes, each with the formula C7H12 and the base name hexane. Which type is the most stable and which is the least stable according to your data
a 100. ml sample of 0.200 m aqueous hydrochloric acid is added to 100. ml of 0.200 m aqueous ammonia in a calorimeter
In each of the following polyatomic ions, the central atom has an expanded octet. Determine the number of electron pairs around the central atom and the hybridization in: SF2 2- AsCl6- Scl4 2- I'm really confused on this one so your thorough help ..
Calculate the equilibrium constant
The rate constant of a first-order reaction 7.60 *10^-4 s^-1 at 350 degree celcius. If the activation energy is 134 KJ/mol, what is the temperature at which its rate constant is 9.70 *10^-4 s^-1
The temperature is 2200 oC inside the lightning bolt, the bolt lasts long enough for all three species to reach equilibrium at that temperature, and the pressure of NO is 0.001 atm at equilibrium. Calculate the standard free energy change ΔGo for ..
what is the molarity of a solution of sodium hydroxide that contains 47.0 g of naoh in 205.0 ml of solution? use a
hydrazoic acid (HN3, Ka = 1.900x10-5) with 0.08699 M KOH, what is the pH after 92.88 mLs of titrant have been added
In an evacuated and closed vessel, S8 was heated until the pressure reached 46.06 Torr at a temperature of 347.0 °C. The density of the gas phase at that point was found to be 0.1528 g L-1. Assuming the gas phase is ideal and composed only of a su..
How much ice (in grams) would have to melt to lower the temperature of 352 mL of water from 26 C to 4C? (Assume the density of water is 1.0 g/ml.)
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