What is the mass in grams of the lead
The water level in a graduated cylinder initially at 224 rises to 287 after a piece of lead is submerged. What is the mass in grams of the lead?
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Calculate each of the following for the reaction that occurs when 56.0mL of 0.50M barium chloride solution are mixed with 78.0mL of 0.75M sodium carbonate solution.
The flask was then shaken until the solution was uniform. A 45.0 mL sample of this glucose solution was diluted to 0.500 L. How many grams of glucose are in 100. mL of the final solution?
The magnetic circuit shown with a mean core length of 52 cm and a cross sectional area of 18 cm^2. the length of the air gap is 0.14 cm. Determine the battery voltage required to obtain a flux density of 1.2 T in the air gap. Use the magnetizat
A sealed rigid container of volume .6 m^3 contains water in the form of saturated vapor at 550 kpa. energy in the form of heat is lost, from the container to the environment.
When separated from a water solution cuso4 forms a hydrate with 5 water molecules per formula unit. If 36 g of anhydrous cuso4 are dissolved in water, why mass of the hydrate could be recovered from the solution.
A chemist prepares a solution by dissolving 2.228 g of NaNO3 in enough water to make 200 mL of solution. What molar concentration of sodium nitrate should appear on the label.
Two slits produce fringes on a screen that is at a distance of 2.05 m from the slits. When the wavelength is 608 nm, the fringe spacing is 1.3 cm.What is the distance between the slits?For the same slits, what fringe spacing would occur for a wav
Is the solution saturated or unsaturated? what would happen if: (a) more KBr was added to the solution; (b) the tempurature was lowered to 0C?
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