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Diamonds are measured in carats, where 1 carat = 0.200 g. The density of diamond is 3.51 g/cm3 . What is the volume of a 5.50 carat diamond?
what mass of sucrose should be combined with 508 of water to make a solution with an osmotic pressure of 8.60 at 310 ?
An oxyacetylene flame is often used in the welding of metals. Estimate the flame temperature produced by the reaction. 2C2H2(g) + 5O2(g) --> 4CO2(g) + 2H2O(g)
Based on this information how can I use the experimental standard cell potential, experimental nonstandard cell potential, and 0.10 M of zinc to determine the concentration of copper in the solution
What molarity of aqueous aluminum sulfate solution can be expected to show the same conductivity as 0.030 M Na2SO4 at 36,000 units?
A reactor operating at a flux level of 2.78 x 10^12 n/cm^2-sec contains 10^17 atoms of U-235 per cm^3. The reaction rate is 1.20 x 10^12 fission/cm^3. Calculate: microscopic cross section f and macroscopic cross section f
In an insulated container, a hot piece of iron (cp =0.4513 J/g-C) at 1490. C was added to 200. g of water (cp =4.184 J/g-C) at 20. C. The temperature of the resulting mixture became 90. C. What mass of iron was present?
Calculate the molar solubility of barium flouride BaF2, (ksp=1.7 x 10^-6) and molar solubility in a .2 potassium flouride solution.
The pressure in the eye of a hurricane is less than atmospheric pressure. Which one of the following pressure readings could not have been taken
Explain how many moles of hydrogen gas would be wanted to react with excess carbon dioxide to produce 99.1 moles of water vapor
a saturated solution of silver chromate ag2cro4 was found to have a cro42- ion concentrate of 3.210-4 m at 25 degrees
Which ions were present in the original solution? Write net ionic equations for the formation of each of the precipitates observed.
What mass of oxygen is needed to burn the butane in the lighter completely. How many moles of CO2 form when all of the butane is the lighter burns. How many molecules of gas form when the butane in the lighter burns completely.
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