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Identify the formula for potential energy and state what each variable stands for.
A reverse osmosis unit is used to obtain drinkable water from a source that contains 0.570 g NaCl per liter. What is the minimum pressure (in torr) that must be applied across the semipermeable membrane to obtain water. Assume room temperature or ..
Does a weak acid have a low molarity? Please explain why if so.
The reduced coenzymes generated by the citric acid cycle donate electrons in a series of reactions called the electron transport chain. The energy from the electron transport chain is used for oxidative phosphorylation.
How many minutes will it take to electroplate 26.1 g of gold by running 5.00 A of current through a solution of Au+ (aq)
A. Using the following mean bond enthalpy data to calculate dH of the reaction:.C3H8(g) + 5O2(g) = 3CO2(g) + 4H2O(g)Bond Mean enthalpy(kJ mol-1)C-C 348O=O 496
What is the pH of a solution that is 0.29 M in acetic acid, HC2H3O2, and 0.74 M in sodium acetate, NaC2H3O2, at 25°C? Ka of acetic acid is 1.8 × 10-5.
CCl4 dipole-dipole dispersion ion-dipole ion-ion (b) CsBr dipole-dipole dispersion ion-dipole ion-ion (c) BaCl2 dipole-dipole dispersion ion-dipole ion-ion
What is the molarity of H2C4H4O6 if 31.75 mL of 0.1749 M KOH are required to react with 10.04 mL of H2C4H4O6 solution according to the reaction below
Calculate the heat released when 1.95 L of Cl2(g) with a density of 1.88 g/L reacts with an excess of sodium metal at 25°C and 1 atm to form sodium chloride.
Thyroxine is synthesized produced by the thyroid gland. Because of the kinds of atoms that represent in a thyroxine molecule, explain why iodide ion (as KI) is required in the diet.
At a temperature of 60 ºC, about 0.8 g CO2 can be dissolved in 100 g water. what would be the mass of CO2 which can be dissolved in 100 g water at 10 ºC?
Calculate the mass in grams of hydrogen chloride produced when 5.60 L of molecular hydrogen measured at STP reacts with an excess of molecular chlorine gas.
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