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A principal component of many kidney stones is calcium oxalate. A kidney stone recovered from a typical patient contains 1.5 x 1021 calcium ions and oxalate ions.
How many moles of calcium oxalate are present in the kidney stone? If this kidney stone is entirely calcium oxalate,what is the mass of the stone?
Explain why the bond dissociation energy for the C-C sigma bond in propane is lower than the BDE for the C-C bond in propene.
Marshmallow burnt is 0.70 g, mass of the water 39.9, and delta change is 12C 2. Peanut burnt is 0.5 g, mass of the water is 42.6 g, and the delta change is 12C. 3. Popcorn is 0 g burnt, mass of the water is 44.83 g, and the delta change is 1 C.
An aqueous solution of unoxygenated hemoglobin containing 5 g of protein (M= 64000 g/mol) in the 100cm3 of solution is placed in an insulated vessel.
A special gas mixture used in bacterial growth chambers contains 1.00 % by weight CO2 and 99.0 % O2. What is the partial pressure (in atmospheres) of each gas at a total pressure of 0.941 atm
Find the volume of a molar solution - What volume of a 0.250 molar solution of silver nitrate, AgNO 3 , is required to react with 18.6g of potassium phosphate
How long would it take for 1.50 mol of water at 100.0 C to be converted completely into steam if heat were added at a constant rate of 25.0 J/s
which molecules have nonpolar intermolecular forces a). ClO2- b). NaF c). CF4 d). O3 e). NO
a proposed mechanism for a reaction isc4h9br --gt c4h9 br-slowc4h9 h2o --gt c4h9oh2 fastc4h9oh2 h2o --gt c4h9oh h3o
write the net ionic equation, excess concentrated sulfuric acid is added to solid calcium phosphate
Calculate the entropy and Gibbs energy of mixing when the partition is removed. Assume that the gases are perfect.
universe on assumption that heat capacities are independent of temperature
A certain second-order reaction (B-> Products) has a rate constant of 1.80×10^-3 M^-1xs^-1 at 27C and an initial half-life of 216 s . What is the concentration of the reactant B after one half-life?Express the molar concentration numerically.
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