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5.88grams of barium chloride are mixed with excess potassium sulfate. The reaction yields 5.65grams of barium sulfate.
barium chloride(aq) +potassium sulfate(aq)barium sulfate(s) +potassium chloride(aq)
Considering the molecule HOOH. What happens to the overlap in the σ bond between the 2 O atoms as one hydroxyl group is rotated in a clockwise relative to the other hydroxyl group?
The dilution of the buffer should not change the pH of the buffer by very much. Explain why not.
Aminotransferases are enzymes that catalyze the interconversion of amino acids and ?-keto acids. In this way, they can provide the carbon needed for gluconeogenesis from amino acids supplied by dietary protein
the solubility of nitrogen n2 in blood at 37 degrees celsius and at partial pressure of 0.80 atm is 0.00056 moll.a
How many grams of Na2CO3 are present in 29.7 mL of a 31.0% Na2CO3 solution. The density of the solution is 1.09 g/mL.
sodium hydroxide do you need to add to the volumetric flask before you dilute the solution to volume with distilled water?
Assume equilibrium with the calcium carbonate in the sediment and calculate the concentration of calcium ion
A 5.0 gram sample of tea was extracted with 200 mL of boiling water for 2 minutes. Caffeine from 2.0 mL of the above tea, after solid phase extraction, was diluted to 50. mL with the mobile phase. 10uL of the sample extract upon injection gave an ..
Provide a structure for the following compound: UV spectrum: ?max = 272 nm (? = 39,500); EI mass spectrum: m/z = 129 (molecular ion and base peak); IR: 2200, 970 cm-1;
Water can be separated into hydrogen and oxygen gases by using electricity to break the bonds in a process called electrolysis. The reaction is:
a 4.78g sample of aluminum completely reacts with oxygen to form 6.67g of aluminum oxide. what is the mass percent
Obtain the CFT diagram of the d-orbitals for a square pyramidal geometry. Validate the relative energy levels of all the d-orbitals.
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