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From the statements below, choose the one that correctly describes one of the Dietary Reference Intakes.
when deltaG=0; a system is at equilibrium. Use values for delta H standard and delta S standard to determind the temperature
A steel is heated until 85% austenite, with a carbon content of 1.05%, forms. Estimate the temperature and the overall carbon content of the steel.
Calculate the molar mass of an unknown solid (assume a non nonelectrolyte) if 1.35 grams of the solid was dissolved in 15.0 grams of dodecanol and caused a freezing point depression of 2.34 degrees Celsius.
The sample is dissolved in acidic solution and the manganese is oxidized to the permanganate ion MnO4-. The MnO4- ion is reduced to Mn2+ by reacting with 50 mL of .0800 M FeSO4 solution. The excess Fe2+ ions are then oxidized to Fe3+ by 21.9 mL of..
What is the difference between alpha-glucose and beta-glucose? and show the condensation of two glucose molecules to form a disaccharide with an alpha linkage; with a beta linkage.
Heat exchangers are used in air conditioners, refrigerators, space heaters, power plants, etc. Although they can be built in many different ways, the basic principle behind their functioning is the coupling of exothermic and endothermic reactions...
Covert the EU Nitrate standard of 50ppm to its nitrogen content alone. Is the EU standard more or less stringent than the United States regulatory limit
What is the solubility in pure water of Ba(IO3)2 in moles per liter at 25 ?C? [Ksp (25 ?C) = 6.0 x 10-10]
A lactic acid/lactate ion buffer solution contains 0.43M HC3H5O3 and 0.62M C3H5O3^-, respectively. The value of lactic acid is 1.4*10^-4. Calculate the pH of this buffer.
Question- The bond length in the ^14NH3 is 101.2 pm and HNH bond angle 106.7*. Calculate the energy levels for the rotation about and perpendicular to its symmetry axis at J=1.
A soft drink contains 35 mg. of sodium in 316g. of H2O. What is the concentration of sodium in the soft drink in mass percent?
A reaction inside a cylindrical container with a movable piston causes the volume to change from 14.0L to 21.0L while the pressure outside the container remains constant at 0.975 atm.
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