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Choose the answer which lists the atoms Pb, Ga, Ti, Br, and Sn in order of increasing effective nuclear charge experienced by the electrons in the n = 3 electron shell.
a) Ti, Ga, Br, Sn, Pb
b) Pb, Ti, Sn, Ga, Br
c) Br, Sn, Ga, Ti, Pb
d) Sn, Pb, Ti, Ga, Br
e) Ga, Br, Ti, Sn, Pb
A saturated solution of NaNO3 in 100 grams of water at 40 degrees celcius is heated to 50 degrees celcius. What is the rate of increase in solubility in grams per degree?
How many kilojoules are released when 10.0g of steam condenses at 100 degrees C and cools to 0 degrees C?
The resulting solution is titrated to a starch endpoint with 34.81 mL of the thiosulfate solution. Calculate the concentration of the thiosulfate solution.
Calculate the molecule weight of the liquid If 2.31grams of the vapor of a volatile liquid is able to fill a 498-ml flask at temperature of 100 degree Celsius and pressure of 775 mm Hg? also determine the density of the vapor under these conditi..
Suppose that at a particular moment during the reaction, molecular hydrogen is reacting at the rate of -0.555 M/s. (a) At what rate is ammonia being formed?
Calcium phosphide is used to make fireworks. Write a conversion factor that converts between moles of calcium ions in calcium phosphide, Ca3P2, and moles of Ca3P2.
How many atoms of manganese (atomic mass 54.94 g/mol) ar contained in 6.16 attograms
If you used 8,400 kilojoules you expend in energy in one day to heat 49,000 grams of water at 18 degrees celcius, What would be the rise in temp?, and What would be the new temp of the water?
sodium azide, a compound containing only sodium (Na) and Nitrogen (N), is used as a propellant for inflating airbags in some automobiles. A sample of sodium azide was weighed into a crucible.
When 33.4 mg of a compound is dissolved in 10.0 ml of water at 25 C the solution has an osmotic pressure of 558 torr. Calculate the molar mass of the compound.
Calculate the OH- of each aqueous solution with the following H3O+ A baking soda 1.1 X 10-8 M B orange juice 2.1 X 10-4
Which of the following pH values would you expect from the addition of a small amount of a dilute solution of a strong base?
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