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Determine the chemical formula of each compound and refer to the formula to calculate the mass percent composition of each constituent element.
(a) nitrogen triiodide
(b) xenon tetrafluoride
(c) phosphorus trichloride
(d) carbon monoxide
Using the inverse square law of radiation, what Geiger counter reading would you get for a radioactive material when you are 3 feet from the source (assume an initial reading of 6300 R at a distance of 1 foot from the source)?
What is the maximum amount of silver (in grams) that can be plated out of 4.8 {rm L} of an {rm{AgNO}}_3 solution containing 3.6 % {rm Ag} by mass? Assume that the density of the solution is 1.01.
A reaction has the stoichiometry A + B + C? P. Explain the concentration of P one minute after mixing the reactants is precise for various initial concentrations of reactants.
calculate the volume of nitrogen gas produced from 195.0 grams of sodium azide at 27.0 celsius and 836.0 mmHg pressure
Water boils at approximately 366.9K at Lake Tahoe (P=0.809 bar). The boiling point temperature can be increased by dissolving a solute in the water. At what mole faction H2O would the boiling point of the aqueous solution be raised to 373.15 K at Lak..
at 760 k 15 of a sample of cyclopropane changes to propene in 6.8 min. what is the half-life of cyclopropane at 760
What statement in incorrect about the following pairs of sugars? Galactose and mannose are diastereomers
An ideal gas is contained in a cylinder with a volume of 5.0 102 mL at a temperature of 30°C and a pressure of 720. torr. The gas is then compressed to a volume of 25 mL, and the temperature is raised to 794.°C. What is the new pressure of the gas..
A 2.00-L flask is filled with propane gas (C3H8) at 1.00 atm and -15.0 degree C. What is the mass of the propane in the flask?
Problem- Calculate the concentrations of all species in a 0.620 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
a student titrates a sulfuric acid solution of unknown concentration with 0.15 m sodium hydroxide. the titration
Draw structural and line-bond formulas for all the structural isomers with the formula C4H9Cl. Determine the polarity of each, showing partial changes and the overall direction of the net dipole where applicable.
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