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Question- The enthalpy of neutralization for all strong acid - strong base reactions should be the same within experimental error. Explain Will that also be the case for all weak acid - strong base reactions? Explain
Solve the above problem in detail no word count
A solution is prepared by dissolving 3.00 g of an unknown nonelectrolyte in 20.00 g of cylcohexane (tf = 6.6 oC and kf = 20.0 oC/m). What is the molar mass of the unknown compound if the solution has a freezing point of -6.4 oC
A hydrated compound contains 1 mole of cation M, 3 mole of anion A, and 2 moles of water. The correct formula is
what is the total ionic equation for a reaction between a solution of sodium hydroxide naoh and a solution of
Compute the molar mass of beta carotene if 10.0ml of a solution containing 7.68mg of beta carotene has an osmotic pressure of 26.57mmHg at 25.0C.
If 860 liters of neon at 45°C and 800 mm. are decreased to 700 liters at the same pressure, what is the new temperature of this gas?
A .25-mole quantity of CuSO4 is added to a liter of 1.0 M NH3 solution. What is the concentration of Cu2+ at equilibrium. [The formation constant for Cu(NH3)4 is Kf=5.0e13]
An oligomeric protein has a molecular weight of 168000. A 420 mg sample was treated with an excess of 1-fluoro-2,4-dinitrobenzene (Sanger\'s reagent) until the reaction was complete
an aqueous solution of copperii sulfate and an aqueous and an aqueous solution of sodium phosphate are mix together in
Briefly describe the pathway of the protons and electrons of two hydrogen atoms that come from NADH/H+ and pass through the electron transport chain apparatus (including complexes I - V). What are the major electron carriers within these complexes
A 115.0mL sample of a solution that is 3.0×103M in Ag(NO)3 is mixed with a 225.0mL sample of a solution that is 0.14M in NaCN . Explain what concentration of Ag+ remains
The temperature of the calorimeter increases from 24.56 *C to 32.01 *C. What is the heat of combustion per gram of quinone and per mole of quinone?
Determine whether each of the examples or phrases describes an essential amino acid, a nonessential amino acid, or both essential and nonessential amino acids. A table of amino acids can be found here.
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