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Write a balanced equation for the reduction of 9-fluorenone to 9-hydroxyfluorene by sodium borohydride. What is the limiting reagent in the following procedure?
Determine the number of valence electrons in each of the following elements. Ta Fe Cs
When D2 reacts with ethylene in the presence of a finely divided catalyst, ethane with two deuteriums, CH2D-CH2D, is formed. (Deuterium, D, is an isotope of hydrogen of mass 2.)
During the extraction of trimyristin from nutmeg, two students were given different samples of nutmeg. They noticed that one sample was very fragrant with the characteristic odor of nutmeg
Elemental exonium (not a real element) consists of two major isotopes Abundance Mass 59% 94 amu 41% 112 amu What is the atomic weight for exonium? Answer in units of amu
b. Would the pH increases or decreases if the solution is disturbed by adding HBr?
you have 505ml of a .170m HCL solution and you want to dilute it to exactly .100M. how much water should you add?
Assume that the density of the mixed solutions is 1.00 g/mL, that the specific heat of the mixed solutions is 4.18 J/(g celcius), and that no heat is lost to the surroundings. The deltaHrxn for the neutralization of NaOH with H2SO4 is -114 kJ/mol ..
A 4.82-L sample of carbon monoxide is collected at 55°C and 0.833 atm. What volume will the gas occupy at 1.05 atm and 25°C?
A 70.0 silver object and a 40.0 gold object are both added to 45.5 of water contained in a graduated cylinder. What is the new water level in the cylinder?
Estimate the emissions of each compound produced in m3 measured at SC per metric ton (1000 kg) of No.6 fuel oil burned in an oil-fired burner with no emission controls given the following data
What are the other other concentration units. 1. mass percent 2. mass of H2SO4 in 1 L 3. mass of 1 L 4. mass percent 5. kg H20 6. molality 7. mole fraction H2SO4
What volume of gold would be equal in mass to a piece of copper with a volume of 140.0 mL? The density of gold is 19.3g/mL; the density of copper is 8.96 g/mL.
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