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Determine the empirical formula of a compound with the following composition by mass: 48% carbon 4% hydrogen 48% oxygen
What is the neutralization reaction for each of the following. Balance the equations; i.e. write it out
The enzyme triose phosphate isomerase catalyzes the isomerization of dihydroxyacetone phosphate. What is the product of this reaction
Can SO2 be maintained a liquid under a pressure of 100atm at 0 C. Can liquid methane be obtained under the same conditions.
compute the volume of 3m naohaqaqueous sodium hydroxide needed to neutralize the phosphoric acids and acetic acid in
A lactic acid/lactate ion buffer solution contains 0.29 M hc3h5o3 and 0.80 M C3H5O3-, respectively. The Ka value of lactic acid is 1.4X10^-4. Calculate the pH of this buffer.
suppose you have 10 ml of 0.10m sucrose solution. you add 90 ml of water to the solution. do the number of sucrose
The temperature of the calorimeter increased from 24.5oC to 26.7oC. If the heat capacity of the calorimeter is 4.46 kJ (oC)-1, then what is the constant volume heat of combustion of this compound, in kilojoules per mole? (Remember to include a "+"..
A student prepared a stock solution of the assigned compound by weighing 2.345 grams of Cu(NO3)2. 6H20 and diluting it with water to a final volume of 25.00mL.
What is the specific heat capacity (in SI unit) of the following.
There is a common belief that beverages tend to be acidic and cleaning agents are often basic. Based on your findings in this lab, is this statement confirmed, plausible, or busted. Explain.
Calculate the energy of a photon emitted an electron in a hydrogen atom undergoes a transition from n=3 to n=1
You are asked to prepare a buffer with a pH of 4.04. calculate the volumes of 1.00M solutions of formic acid (HCOOH) and sodium formate (NaHCOO) needed to produce 200mL of the buffer
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