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If 277 g SO2 escaped into the atmosphere and all the escaped SO2 were converted to H2SO4. How many grams of H2SO4 would be produced in the atmosphere?
How many grams of F2 are needed to produce 237 g of PF3 if the reaction has a 80.4% yield?
At a distance of 41 ft an ionizing radiation source delivers 4.5 rem of radiation. How close could you get to the source and still have no biological effects?
A 2.55 g sample of naphthalene (C10H8) is dissolved in a 30.0 g of benzene (C6H6). Benzene freezes at 5.50 degrees C and the resulting solution freezes at 2.13 degrees C. What is the freezing point depression constant, K sub f, of benzene?
a new hydrocarbon with molecular formula C20H14 is obtained in low yield. The 13C NMR of this new product shows three peaks in the 120-150 ppm range and one peak at 54 ppm.
For which of the following species is resonance an important property: HONO, HONO2, N3-, NO2-, NO2
Many power plants produce energy by burning carbon-based fuels, which also produces carbon dioxide. Carbon dioxide is a greenhouse gas, so over-production can have negative effects on the environment. Use enthalpy of formation data to calculate th..
At constant volume, the heat of combustion of a particular compound is -3973.0 kJ/mol. When 1.481 g of this compound (molar mass = 172.71 g/mol)
Determine the number of cells per milliliter of the original culture when the total number of colonies and the total number dilutions are as follows
To verify Boyle's Law using the relationship between gas volume and gas pressure when the amount of gas remains constant at certain temperature.
Compute the increase in entropy when 3.50 moles of an ideal gas is heated from 250 K to 700 K and simultaneously expanded
A 0.54 M solution of a compound in water has a density of 1.340 g/mL at 20°C. What is the molality of this solution. Assume that the mass of the solution is the mass of the solvent
Where do i draw the line between a good leaving group and an excellent leaving group(sn1)? Do i draw the line for a excellent leaving group at all halides
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