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If lead, which makes up 86.6% of galena and a particular ore contains 68.5% galena, what ,mass of ore is required to make a lead sphere with a 4.00 cm radius?
In which solution (acidic, basic, neutral water, or doesn't matter) is copper(II) chloride most soluble
What is the final temperature of the water when equilibrium is reached? (Assume a density of 0.998 (g/mL) for water.)
Iron crystallizes in a body-centered cubic structure. The volume of one Fe atom is approximately 8.37 10-24 cm3, and the density of Fe is 7.874 g/cm3. Calculate an approximate value for Avogadro's number.
A solution containing 13.0% sodium hydroxide by mass has a density of 1.131 g/mL. Sodium hydroxide has a density of 2.130 g/mL. What volume of the solution, in liters, must be used in an application requiring 1.10 kg of sodium hydroxide
The gold is alloyed with copper. Before buying the item you weigh it out to be 110 grams, you also measure its water displacement as 7.59ml. what is the percent composition of the gold bracelet. should you call the cops. Density of gold is 19.3 g/..
Using 2-butanone as an example, explain why this is true. Draw the structures of all of the products
Identify the compound with the highest wavelength in an UV spectrum. a. benzene b. phenol c. phenolate ion d. aniline e. anilinium ion
a sample of sugar d-ribose c5h10o5 of mass 0.727g was placed in a calorimeter and ignited in the presence of excess
The compound 1-iodododecane is a nonvolatile liquid with a density of 1.20g/ml. the density of mercury is 13.6g/ml. what do you predict for the hight of a barometer column based on 1-iodododecane, when the atmospheric pressure is 752 torr
a 100-w lightbulb is placed in a cylinder equipped with a moveable piston. the lightbulb is turned on for 2.0times10-2
a furniture factory needs 31.5 ft2 of fabric to upholster on a chair. its dutch supplier sends the fabric in bolts of
During a recrystallization a student takes 1g of a white (colorless) solid and adds 5 mL of acetone. He heats the mixture in a boiling water bath and adds another
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