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What would be the mass and volume of Th-230 (density = 11.7 g/cm3) that you would extract from 110 American Tons (220,000 pounds) of U3O8 (triuranium octoxide)
Write the Oxidation Half Reaction and Write the Reduction Half Reaction
When 189.4 g of ethylene (C2H4) (molar mass= 28.05 g/mol) burns in oxygen to give carbon dioxide and water, how many grams of CO2 (molar mass= 44.01 g/mol) are formed? C2H4 + 3O2 --> 2 CO2 + 2H2O
a gas is heated from 269 k to 283 k while its volume is increased from 21.5 l to 37.0 l by moving a large piston within
A titration is performed by adding 0.400 M KOH to 40.0 mL of 0.300 M HCl. What is the pH after addition of 5.0 mL of the base?
What is the solubility of calcium phospate in pure water. Also what is the solubility of it in 0.3m Na3Po4.
A tightly sealed 5.0 L flask contains argon at 69.0 deg. C and 781 mm Hg. The flask is heated until the pressure is doubled. What it the temperature of the gas.
Compare the natural chemistry that takes place in the environment with the chemistry that takes place due to man made factors like pollution. Discuss the effect of pollution at the local, regional, national, and global level.
An empty aerosol can at 25 degree celcius still contains gas at 1.00 atmosphere pressure. If an empty can is thrown into a 488.2 degree celcius fire, what is is the final pressur in the heated can.
Which of the folowing statements relative to IUPAC nomenclature for alkenes and cycloalkenes is INCORRECT. a.the position of a double bond in a parent chain is given by a single number.
A student determines that a 5.869g sample of solid displaces 1.75 mL of water in a graduated cylinder. Another student measures a 7.254g sample of the same metal. What volume of water should the second sample displace
Imagine a unit of charge called the zorg. A chemist performs the oil drop experiment and measures the charge of each drop in zorgs.
What is the equilibrium constant Kc for the reaction below? Assume temperature is 25oC. (Represent the reaction below as a sum of reactions and then combine the corresponding K values to obtain Kc for the reaction below.)
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