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A 1.00 L solution saturated at 25 degrees Celsius with calcium oxalate CaC2O4 contains 0.0061 g of CaC2O4. Compute the solubility-product constant for this salt at 25 degrees Celsius. Ksp =
A mixture of nitrogen and oxygen gas is collected by displacement of water 30 degrees celsius and 700 torr Hg pressure. If the partial pressure of nitrogen is 550 torr Hg, what is the partial pressure of oxygen? (Vapor pressure of H2O at 30 degree..
Rewrite the atomic cores in the space below. Place an electron pair between each flourine and sulur core. Write the lewis structure for SF2 in the box, distributing the remaining valence electrons so that all three atoms are in accordance with the ..
what is the animals initial radiation exposure in curies? b) if all of the energy from the emitted alpha particles is absorbed by the animals tissues, and if the energy of each emission
What is the mass, and the volume, of this seawater that contains 1.00 g of oxygen?
One of the key steps in brewing beer (or brewing root beer, if you prefer) is conversion of starch stored the barley into di- and trisaccharides through a process called "mashing" of the grain
Calculate how many molecules of C 2 H 6 S (ethyl mercaptan )are contained in 1.0 micro liter sample if the given density = 0.84 g/mL
Draw the structure of the cis and trans isomers of the compound you prepared from last question. Why did you obtain the trans isomer?
a 0.1569-g sample of solid magnesium is burned in a bomb calorimeter that has a heat capacity of 1769 jdeg c. the
Depict the structure of the isomer of C6H11Br that contains a 5-membered ring as well as is least reactive in an SN2 reaction
A detailed mechanism for the formation of ethyl acetate from ethanol as well as acetic acid with H2SO4 as catalyst
To determine the enthalpy change for this reaction, 0.158 g of Mg metal is combined with enough HCl to make 100.0 mL of solution in a coffee-cup calorimeter of negligible heat capacity.
The hydrolysis of sucrose to fructose is first order in sucrose with a half-life of 2.3e+03 s at some temperature. 1.What fraction of sucrose, expressed as a percent, would hydrolyze in 2.8 hours
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