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Question - Describe the posttranslational modification of Histone proteins. Explain the physical changes that would happen upon phosphorylation, acetylation and methylation of lysine and arginine residues of histone proteins.
The osmotic pressure of a saturated solution of strontium sulfate at 25 C is 21 torr. What is the solubility product of this salt at 25 C
calcuate the wavelength (in nanometers) of an electron weighing 9.10939x10^-28g moving at 3.90x10^6 m/s.
how many liters of gas would be formed at 510 degrees c and 1.00 atm pressure by explosion of 405g of nh4no3 ?given the
A 50 mL sample of 0.06M HC3H5O2 (propanoic acid) is titrated with 20 mL of 0.07M NaOH. What is the pH at this point of the titration? (Ka of HC3H5O2 = 1.3*10^-5)
In the reaction below, 4.86 atm each of H2 and Cl2 were placed into a 1.00 L flask and allowed to react: H2(g) + Cl2(g) 2 HCl(g) Given that Kc = 89.9, calculate the equilibrium pressure of HCl.
Question- What is the molality of a solution in which 1.44 grams of Ammonium Nitrate is dissolved in 172.8 grams of water
What is the solubility (in g/L) of aluminum hydroxide at 25°C? The solubility product constant for aluminum hydroxide is 4.6 × 10-33 at 25°C. Write the detailed calculation or explain how you obtained your answer.
Calculate the solubility-product constant for Zn3(AsO4)2. Ksp = (c) The Ksp of Ag2CO3 at 25 oC is 8.46e-12. What is the molar solubility of Ag2CO3? solubility = mol/L
What must the oxygen content (in percent by volume) be when the total pressure exerted on the diver is 4.0 atm?
Write a balanced equation between citric acid (RCOOH) and sodium hydrogen carbonate
A molecule in which centers of positive and negative charge do not coincide must be.
Problem- Imagine that some digestive juices containing the strong acid hydrochloric acid accidently entered the bloodstream through a perforated ulcer. If the blood were well supplied with H?2PO??4, and HPO42? ions, tell what would occur chemica..
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