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Assume you completely hydrolyze a sample of the peptide Phe-Val-Lys-Ser using the appropriate protease in a phosphate buffer solution at pH=7. What two species would actually constitute the phosphate buffer.
Heatite, Fe2O3 is an important ore of iron, the free metal is obtained by reacting hematite with carbon monoxide in a blast furnace. carbon diozide is formed in the furnace by paritial combustion of carbon, the reaction is Fe2O3 (s) + 3 CO (g) -->..
all possible structural formulas for all different conjugated dienes that can be completely hydrogenated
Explain the increase in temperature of the tris solution as you titrated it to pH 8 (note that room temp is generally 22 deg. celcius). Upon cooling the solution to 4 deg C, what happend to the pH of the solution. What is the general relationship ..
The specific heat of a certain type of metal is 0.128 J/(g x C). What is the final temperature is 305 J of heat is added to 63.8 g of this metal initially at 20.0 C
Calculate the net change in enthalpy for the formation of one mole of dimethyl ether from carbon dioxide and hydrogen.
What is the definition of a strong acid compared to that of a weak acid. Is it possible to have a pH for a weak acid that is lower than a pH for a strong acid (of different concentrations), why or why not
The specific heat capacity of solid copper metal is 0.385 J/g-K. How many joules of heat are needed to raise the temperature of a 1.55-kg block of copper from 33.0C to 77.5C?
Which of the following equations represents the proper net ionic equation for the complete neutralization reaction between the weak acid HClO2 (aq) and the strong base NaOH (aq)
the reaction 2nog cl2g ltgt 2nocl g is allowed to reach equilibrium in a 1.00 l vessel at 500.0 k. at equilibrium the
If we exchange the labels on particles that are part of a wavefunction (for example, if we exchange the labels on particles 1 and 2 and call them particles 2 and 1 instead), what might happen to our wavefunction
When a student cleans their dorm room, the entropy of the system must decrease. How is this NOT a violation of the second law of thermodynamics?
Use the octet rule to predict the formula of the simplest compound formed from hydrogen and silicon.
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