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A diatomic gas has the molar mass 38.00 g/mol. What is a possible formula
The two solutions start at a temperature of 25.5°C, and reach a final temperature of 27.8°C. The final, combined mixture has a mass of 51.6 grams and a specific heat of 4.0 J/g°C. Assume that no heat is transferred to the cup or surroundings.
A mixture of SO2 and SO2O2 and SO3 at 1000k contains the gases at the following concentrations [SO2]=5.0e-3 mol/L [O2]=1.9e-3 mol/L and [SO3]=6.9e-3 mol/L is the reacton at equilibrium. If not which way will the reaction proceed to reach equilibri..
A mixture of sodium bromide and sodium iodide weighs 1.620 g. when treated with excess silver nitrate it yields a mixture of silver bromide and silver iodide which weighs 2.822 g. how many grams of sodium iodide was in the original mixture
Calculate the kinetic energy of a K atom in the beam? b) Assuming that the molecules in the beam move one dimensionaly, what is the temperature of the beam?
Determine the following characteristics of the titration curve for 20.0 mL of 0.20 m NH3(aq) tiltreated with 0.25 m HI(aq) A) The initial pH B) The volume of 0.30 M HI at the equivalence point c) The pH at the half equivalence point
What was the concentration, in mol/L and mg/L, of Cu^2+ and Zn^2+ in the original solution? If the solution was prepared by dissolution of 0.654 g of brass in 250.00 mL solution, what the percentage of copper and zinc in the original sample of bra..
Through what factor would one expect the intensity of carbon tetrachloride Raman lines to increase while changing the laser source wavelength from 868.8 nm to 450.3 nm
Which of the following ions is least likely to form colored compounds- a)Mn^2+ b)Cr^5+ c)Sc^3+ d)Fe^3+ e)Co^2+
at 1000 k a sample of pure no2 gas decomposes.2 no2g 2 nog o2gthe equilibrium constant kp is 158. analysis shows that
The active ingredient in acetylsaliclic acid was isolated. What does it mean is my experimental melting point range was very broad and was also lower than the literature melting point
Calculate the mass of I2 produced at the anode if a current of 2.85 A is passed through a solution of KI for 56 minutes.
What is the net ionic equation of the reaction of FeCl2 with NoOH ? Express your answer as a chemical equation.
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