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The solubility of nitrogen gas "N2" in water at 20oC and 520 mmHg is 5.0×10-4 mol/L. The Henry's law constant (in mol/L.atm) at 20oC for the solubility of nitrogen gas in water is: A) 7.3×10-4 B) 7.1×10-4 C) 6.9×10-4 D) 6.7×10-4 Show steps please.
calculate the weight of sodium hypochlorite, NaOCl.
How can you distinguish chemically between starch and three other carbohydrates (sucrose, glucose, & lactose)? What would you expect to observe when adding one drop of iodine-potassium iodine reagent to each of the four carbohydrates?
In an electrochemical cell, which of the following statements is FALSE? A. The cathode is the electrode where reduction occurs. B. The anode is electrode where oxidation occurs. C. A spontaneous electrochemical cell is called a galvanic cell. D. A..
a sample of chlorine gas occupies a volume of 946ml at a pressure of 726mmhg. Calculate the pressure of the gas in (in mmhg) if the volume is reduced at constant temperatures to 154ml.
What is the concentration of the vitamin C standard solution? Using a balance, 125mg of Vitamin C was weighed out and was added to a 100-mL beaker and dissolved in 50mL of DI water.
At equilibrium, the concentration of A is 0.381 M and that of B is 0.154 M. What is the value of the equilibrium constant, Keq?
A reaction produces 2 moles of a solid product from 2 moles of liquid and 1 mole of gas reactants. The process is exothermic
A certain commercial process relies of the addition of NH4NO3 to a solution of their proprietary compound. The Chemist develops a plan to add 6.55 pounds of NH4NO3 to 14.0 gallons of water.
A certain hydrocarbon has a molecular formula of C6H10. Which of the following is not a structural possibility for this hydrocarbon?
The following table lists molar concentrations of several ions in seawater. Using a density of 1.022 g/mL for seawater
calculate the solubility (in mol/liter) of Al(OH)3 in a solution
Sunlight causes the following reaction to take place in the atmosphere: NO2(g) NO(g) + O(g). Calculate the standard enthalpy of the reaction from the following information and from additional information in Appendix 2A
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