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If an ion having 4+ charge and a mass of 49.9amu has 2 electrons with principle quantum number n=1, 8 electrons with n=2, and 10 electrons with n=3. Provide nas many of the properties for the ion as possible from the information given. In forming ions for this species, the 4s electron are lost before the 3d electrons.
a. The atomic number
b. Total number of s electrons
c. Total number of p electrons
d. Total number of d electrons
e. The number of neutrons in the nucleus
f. The ground- state of electron configuration of the neutral atom
consider a particle confined to a two-dimensional box where the length in the x dimension is a and the length in the y
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If a pure R isomer has a specific rotation of -133.0°, and a sample contains 64.0% of the R isomer and 36.0% of its enantiomer, what is the observed specific rotation of the mixture
Compound X is a miracle drug used to cure every sneeze and sniffle. It is very expensive though and customers complain it doesn't always work as well as it should.
Determine the boiling point of a solution of 72.4 g of glycerol dissolved in 122.5 g of water.
Suppose you were to prepare a buffer solution using ammonia and ammonium chloride. What would be the molar ratio of acid to its conjugate when the pH was adjusted to each of these values. (Kb = 1.8 multiplied by 10-5) (a) pH = 10.19
When 10.0 g of calcium carbonate was mixed with 150.0 ml of 1.00 M hydrochloric acid, a gas formed. What is the theoretical yield,in liters, of the gas measured at 300 torr of pressure and a temperature of 27.0 degre celcius?
A 22.0 L volume of an ideal gas in a cylinder with a piston is at a pressure of 3.0 atm. Enough weight is suddenly removed from the piston to lower the external pressure to 1.5 atm. The gas then expands at constant temperature until its pressure i..
what is the energy required for an electronic transition from n = 2 to n = 3 in a hydrogen atom? A. 7.87E-19J B. 5.45E10-19J C. 3.03E10-19 D. 2.42E-10J
the volume of blood in the body of a certain deep-sea diver is about 7.00 l. blood cells make up about 55 of the blood
suppose that the microwave radiation has a wavelength of 12.4 cm. how many photons are required to heat 275 ml of
A 2.5 L helium balloon is filled at a florist's shop. If the temperature inside the shop is 68°F, what volume will the helium occupy after being left in an automobile at 5°F in the parking lot for the day
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