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Obesity becomes an epidemic in America . Discuss this topic by discussing the types of food and their chemistry and how is the intake of those types contributes to the obesity. What are, in own opinion, the ways that help overcome this huge health issue. 300 words paragraph form.
In the lab, utilized a red industrial laser (= 632.8 nm) to create diffraction patterns from the arrays on the ICE slide. In order to make diffraction patterns from an array of atoms in a crystal, use light with
The acid HCl is also there with the nucleophile to form the keto-enol tautomerization. An oxonium ion should form. What does the oxonium ion look like. What are the two products. Is this reaction an Sn1 or an SN2 reaction. Explain.
Explain PH and Biochemistry, Determine the weight in grams of sodium dihydrogen phosphate (M.W.138.01) and disodium hydrogen phosphate (M.W 141.98) needed to prepare 1L of a standard buffer at pH 7.00, with a total phosphate concentration of 0.100..
Hexane and cyclohexane for an ideal solution. the vapor pressure of hexane is 151 torr and that of cyclohexane is 98 torr at 25C. calculate the vapor pressure of each of the following solutions and teh mole fraction of each of teh substance in the..
a 500 ml gas sample is collected over water at a pressure of 740 mmhg and 25 celsius. what is the volume of the dry gas
A buffer contains equal amounts of a weak acid and its conjugate base and has a pH of 5.25. Which of the following values would be reasonable to expect for the pH after addition of a small amount of HCl
When radiation of a wavelength 2.45 x 10^-7 m falls on metal surface, the maximum kinetic energy of the emitted electrons is found to be 6.73 x 10^-19. What is the value in J of the work fuction of the metal
914g sample of a nonvolatile solid solute dissolves in 9.82g of cyclohexane. the change in the freezing point of the solution is 2.94 degrees c. what is the molality of the solute in the solution
solid chromium iii hydroxide croh3 is added to pure water so that at equilibrium some solid remains undissolved. given
Calculate the pH at the equivalence point if 25.00 mL of 0.010 M barbituric acid (HC4H3N2O3) is titrated with 0.20 M NaOH. (Ka barbituric acid = 1.0 x 10^-5).
3AgNO3 + Na3PO4 --> Ag3PO4 + 3NaNO3 Silver nitrate and sodium phosphate are reacted in equal amounts of 200. g each. How many grams of silver phosphate are produced?
What mass of silver chloride can be prepared by the reaction of 130.0 mL of 0.15 M silver nitrate with 190.0 mL of 0.30 M calcium chloride?
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