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Problem- What is the buffer range of a solution composed of equal molar concentration of phenol and sodium phenolate? (Ka = 1.3x10-10)
I want you to explain the chemistry in this problem
the rate law for the decomposition of n2o5 is rate kn2o5. if k 1.0 x 10-5exp s-1 what is the reaction rate when the
rewrite the equation so heat of reaction (delta H) equals deltaHf for 4PCl3 (g) yields p4(s) + 6Cl2 (g) Values for delta HF in Kj/mol are:
a 21.496 g sample of magnesium is burned in air to form magnesium oxide and magnesium nitride. when the products are
A physician studying a mutant, hemoglobin, blood protein dissolves 0.0215 grams of this protein in water at 5.0 °C to make 1.50 ml of solution. The osmotic pressure of this solution is 0.00475 atm. What is the molar mass of this protein
What are some of the best ways to increase percent yield of a hypothetical reaction? Assume you know the limiting reagent and non-limiting reagents of this reaction.
Potassium fluoride is extremely soluble in glacial acetic acid as well as the solutions have a number of unusual properties. In an attempt to understand them, freezing point depression were obtained by taking a solution of known molality and then ..
if our eyes could see a slightly wider region of the electromagnetic spectrum we would see a fifth line in the balmer
a buffer is prepared by combining 10.0 g of NaH2PO4 with 150 mL of 0.20 M NaOH and diluting to 2.0 L. what is the pH of the buffer? (Ka (H2PO4-)= 6.2 x 10^-8)
One type of electromagnetic radiation has a frequency of 1050 kHz, another type has a wavelength of 2.12e-10 m, and another type of electromagnetic radiation has photons with energy equal to 4.48e-24 J/photon.
A sample of ideal gas is in a sealed container. The pressure of the gas is 795 torr , and the temperature is 37 C . If the temperature changes to 95 C with no change in volume or amount of gas, what is the new pressure, P2, of the gas inside the c..
Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition from n = 5 to n = 1.
A sample containing 2.40 moles neon gas has a volume of 8.00 L. Assume that the pressure and the temperature remain constant.What is the new volume of gas in liters when a leak allows one-half of the neon atoms to escape?
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