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The value of Ka for nitrous acid (HNO2) at 25C is 4.5*10^-4. What is the value of deltaG when [H+]= 5.9*10^-2 M, [NO2^-]= 6.1*10^-4 M, and [HNO2]= 0.19 M?
Assume that the initial purple solution is 16.05mg/L in sodium salicylate, 0.15M in HCl and 0.065 M in iron(III) ions. What are the concentrations of these three once you diluted the 10.00 mL to a final volume of 50.00 mL in the volumetric flask
How many grams of methane gas (CH4) are in a 15.8 liter sample at 1.2 atmospheres and 27°C? Show all work used to solve this problem.
If 122 g of Hg2Cl2 is reacted with excess ammonia, what is the expected yield, in moles and grams, of elemental mercury. (show your calculation)
The double-replacement reaction between silver-nitrate and sodium bromide produces silver bromide, a component of photographic film.
When using the Cahn-Ingold-Prelog rules for prioritizing groups on a stereogenic carbon, priority is first assigned on the basis of
A scientist wants to make a solution of tribasic sodium phosphate, Na_3PO_4, for a laboratory experiment. How many grams of Na_3PO_4 will be needed to produce 350 mL of a solution that has a concentration of Na^+ ions of 1.20M
How do you derive the work equation for a non-isothermal but reversible reaction using T= Ti - c(V-Vi) and c is a positive constant
Name an element in the fourth period of the periodic table with a total of 4 4p electrons. Name an element in the fourth period of the periodic table with a total of 3 3d electrons Name an element in the fourth period of the periodic table with a ..
Concrete used in road construction is reinforced using steel bars in a grid, known collectively as "rebar." After many years, rebar will begin to corrode, and the concrete will weaken.
When a 9.92-g sample of gaseous hydrogen bromide dissolves in 45.5 g of water in a coffee-cup calorimeter the temperature rises from 25.00 oC to 69.79 oC. Calculate H in kJ per mol of HBr for the solution process.
Assuming the turbine is well insulated, what is the maximum power that can be generated by the turbine?
Calculate the solubility of carbon dioxide in water at an atmospheric pressure of 0.38 atm.Carbon Dioxide has a mole fraction of
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