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In"Wilson's War Message to Congress" the word "extraordinary" is repeated in order to communicate Wilson's opinion of the United States government. Make the message of war as concise as possible. Call attention to the greatness of the members of Congress. Emphasize the importance of the meeting and its special purpose.
The acid dissociation constant for HClO2 is Ka = 1.1 x 10-2. You add 1.08 g of HClO2 to 427 ml of 0.0150 M NaClO2 solution. What are the equilibrium concentrations of H3O+, ClO2-, and HClO2
what is the keq value for the acid base reaction between sulfuric acid and nitric acid? Assume that pka of the conjugated acid of nitric acid is -13.
Using a sample of CO 2 occupies a 2.54dm^3 container at STP. Determine the volume of the gas at a pressure of a temperature of 26.0 degree Celsius and 150.0 kPa?
A laser pulse with wavelength 555nm contains 4.40mJ of energy. How many photons are in the laser pulse.
The quantity of an antimony in a sample can be determined by and oxidation reduction titration with an oxidizing agent. A 6.35 g sample of stibnite, an ore of antimony, is dissolved in hot
Assuming that seawater has a total ion concentration (a.k.a colligative molarity) of 1.10 Mc, calculate how many liters of seawater are needed to produce 15.4 L of fresh water at 20 °C with an applied pressure of 75.0 bar.
The rate constant of a chemical reaction increased from 0.100s^-1 to 2.90s^-1 upon raising the temperature from 25.0 degree celcius to 43.0 degree celcius
Extraction procedures have shown that nitrogenase contains an iron-sulfur cluster, Fe4S4, where the atoms of each type are arranged alternatively at the corners of a cube.
The B4O5(OH)4^2- ion, present in 5.0 ml of a saturated Na2B4O5(OH)4 solution at a measured temperature, is titrated to the bromocresol green endpoint with 6.51 mL of 0.146 m HCl. How many oles of B4O5(OH)4^2- are present in the sample
The half-life for a first order reaction at 550 oC is 85 sec. How long it would take for 23% of the reactant to decompose?
How many different types of resonance structures can be drawn for the ion SO32.
at ordinary body temperature 37 the solubility of in water in contact with air at ordinary atmospheric pressure 1.0
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