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Consider the titration of a 25.0 mL sample of .125M RbOH with .105M HCl. Find the initial pH.
Calculate the percent yield for the reaction: P4 (s) + 6 Cl2 (g) → 4 PCl3 (l) if 75.0 g of phosphorus reacts with excess chlorine gas to produce 111.0 g of phosphorus trichloride.
What is the theoretical yield of bismuth when 393 g of Bi2O3 reacts with excess carbon as shown below? Bi2O3 + C(s) => Bi(s) + CO(g) (not balanced)
A student has invented a new temperature scale, the Zuban scale ,In common with the Celsius, Kelvin and Fahrenheit scales, it is a linear scale.
The pressure in an automobile tire is 1.83 atm at 26.0°C. What will be the pressure if the temperature warms up to 37.0°C.
How can you tell when looking at organic compounds what is saturated? Here are some examples?
Trichloroacetic acid (CCl3CO2H) is a corrosive acid that is used to precipitate proteins. The pH of a 0.050 M solution of trichloroacetic acid is the same as the pH
Determine the numbers of moles of S8 that are required to make 0.600 moles of SF4.
A 2.50-g sample of a large biomolecule was dissolved in 37.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C.
A compressed air tank carried by scuba divers has a volume of 9.5 L and a pressure of 130 atm at 20 C. What is the volume of air in the tank (in liters) at STP?
a sample of propane, contains 17.7 moles of carbon atoms. How many total moles of atoms does the sample contain.
We use Use the De Broglie wavelength formula, ohr radius definition and wave-particle duality equation to compute the wavelength of,
Find the concentration and pH solution - What is the pH of a solution of 0.65 M acid and 0.51 M of its conjugate base if the pKa = 5.30?
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