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Question- Calculate the number of grams, moles and molecules of barium sulfate produced when 4.5 milligrams potassium sulfate and 5.5 milligrams barium chloride are mixed. Which reagent is limiting and how much reagent is remaining?
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A cylinder is separated into two sections Y and Z by an insulating frictionless piston and sealed at both ends. Each section has two moles of an ideal gas.
To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. A chemical engineer places a mixture of noble gases consisting
If a 220 piece of gold (density =19.32 ) is hammered into a sheet measuring 2.3*1.0 ft. , what is the average thickness of the sheet in meters?
It is well known that the element magnesium has three naturally occurring isotopes. Mg-24 represents 79.0% of all magnesium atoms, Mg-25 accounts for 10.0%, and Mg-26 is the remaining 11.0%. If you have 254. atoms of magnesium, how many should be ..
A 27.0-g sample of water at 250. K is mixed with 47.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
A freezing point of -5.20?C is recorded for a solution made by dissolving 10.56 g of the compound in 25.0 g of water. Determine the molar mass, and molecular formula of the compound. Assume that the compound is a nonelectrolyte.
pure benzene has a normal freezing point of 5.5degc. a solution containing 11.4g of a molecular substance dissolved in
the concentration of a dye and concentration of bleach naoh was determined experimentally by using beers law. the rate
in the laboratory a student combines 45.9 ml of a 0.197 m magnesium bromide solution with 16.1 ml of a 0.541 m cobaltii
Problem- A solution is made by mixing 100mL Fe3+ solution of 1.00 x 10-3 M and 100 mL A- ion solution of 1.00 x 10-3 M. The mixture has a deep blue color, indicating the formation of a complex between Fe3+ and A-.
What is the balanced chemical equation for the galvanic cell reaction expressed using shorthand notation below
Draw the following compound. Be sure to specify the stereochemistry via wedge-and-dash bonds.
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