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A spherical cannonball made of an iron alloy has a specific gravity of 7.88, and weighs 22.12 pounds. It has a diameter of 13.46 cm. On the other hand, spent uranium (from processing which removes the commercially important rare isotope) has a specific gravity of 19.05. How many pounds would a uranium cannonball of the same dimensions as the iron cannonball weigh?
Can you please explain the molecular bonding of hydrocortisone. How many functional groups and what are they? I need the explanation of the actual chemical structure
How much of a 6.0 M sucrose solution should be used to make 79.0 mL of a 0.055 M solution.
At 1000 K, a sample of pure NO2 gas decomposes. 2 NO2(g) ->2 NO(g) + O2(g) The equilibrium constant KP is 158. Analysis shows that the partial pressure of O2 is 0.44 atm at equilibrium. Calculate the pressure of NO and NO2 in the mixture.
To determine the molecular formula of a compound - gas was mixed with calcium chloride solution,
How many grams of iron metal do you expect to be produced when 265 grams of an 84.5 percent by mass iron (II) nitrate solution reacts with excess aluminum metal?
What is the pH of the buffer after the addition of 0.02 mol of NaOH? C)What is the pH of the buffer after the addition of 0.02 mol of HI? Express Numerically
If 18.26 grams of sulfuric acid are reacted with a large amount of aluminum metal, what volume of hydrogen gas would be produced at STP?
in the synthesis of divanillin the first step in the mechanism of this reaction involving vanillin is the formation of phenoxy radical by abstraction of the phenoic H atom
At 2000C Kc is 2.4^3 for 2NO N2+O2, the initial concentration of NO is .170M what is the equilibrium concentration of NO?
a solid acid is dissolved in enough water to make 200 ml of a solution. 40 ml of the solution is titrated to a phenolphthalein end point with an NaOH solution.
What will be the total vapor pressure (in torr) of a solution prepared by mixing equal masses of the two liquids?
What are the protons and neutrons that are emitted from a helium atom called? Atomic mass is expressed in atm.
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