Find the molecular formula for this compound
A compound is constituted by mass of 22.6% phosphorus, the rest being chlorine. Given that a volume of 307 mL of the gas has a mass of 1.55 g at 25 °C and 90 kPa, find the molecular formula for this compound.
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If 32.5 grams of CaO are dissolved in 212 grams of water, what is the concentration of the solution in percent by mass?
Assume that the two ends are contained in the volume of a sphere whose radius is the root mean square distance between the ends. Using this volume (2 ends per unit volume), calculate the molar concentration of these ends (Avogadro's number is 6.02 x
Shawhan Supply plans to maintain its optimal capital structure of 30% debt, 20% preferred stock, and 50% common stock far into the future. The required return on each component is: debt-10%; preferred stock-11%; and common stock-18%. Assuming a 40
If a sodium hydroxide solution were added to a solution containing lead(II) ions, sodium ions, nickel(II) ions and potassium ions, which ion(s) would remain in the supernatant?
Convert your answer from part A to an equivalent in megatons of TNT, the unit used for nuclear bombs. Comment on the degree of devastation the impact of such a comet could cause if it struck a populated region on Earth. (Hint: One megaton of TNT
A zero-order reaction has a constant rate of 2.50×10-4 M/s . If after 60.0 seconds the concentration has dropped to 5.00×10-2 M, what was the initial concentration?
What is the equilibrium temperature of this system? If your answer is 0° C, determine the amount of water that has frozen. The average specific heat of aluminum over this temperature range is 653 J/(kg · K).
Oleum or fuming sulfuric acid available commercially in concentraytions ranging from 20-99% sulfur trioxide. A. What is the percent by mass of sulfur trioxide (SO3) if oleum is expressed as 3H2SO4 5SO3?
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1. Describe the ethical standards and ethical violations observed in the two selected research studies.
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Aaron Douglas created this mural in 1934 as a commission by the U.S. government's Works Progress Administration under President Franklin D. Roosevelt's economic
On White II (1923) is an oil painting by Wassily Kandinsky, a Russian-born artist who worked as a law professor before developing his artistic talent