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Methyl salicylate (oil of wintergreen) is prepared by heating salicylic acid (C7H6O3) with methanol (CH3OH) C7H6O3 + CH3OH ® C8H8O3 + H2O What is the percent yield if reaction of 8.244 g of salicylic acid with an excess of methanol produced a measured yield of 6.835 g of oil of wintergreen?
Determine the amount of heat required to raise the temperature of a 153 g bar of gold by 50.0C. (specific heat of gold = 0.128 J/g.C)
When 0.069 mol of aluminum sulfate are dissolved in enough water to make 485 milliliters of solution, what is the molar concentration of aluminum ions?
How many moles of sodium bicarbonate are contained in 10mL of a 10% aqueous solution
a 425 ml volume of hydrogen chloride gas, hcl is collected at 25 degree Celsius and 270 torr. what volume will it occupy at stp?
Carbon dioxide is removed from the atmosphere of space capsules by reaction with a solid metal hydroxide. Theproducts are water and the metal carbonate
Explain, in detail, why a bromine radical is more selective than a chlorine radical during abstraction of a hydrogen on a hydrocarbon?
Calculate the rpoportion of I2 (iodine) molecules in their ground state, first excited stated
1.What is the pressure in a 23.0L cylinder filled with 0.740mol of nitrogen gas at a temperature of 325K. answer using atm 2. What is the temperature of 0.460mol of gas at a pressure of 1.5atm and a volume of 12.8L
1. In a Lineweaver-Burk plot of 1/v versus 1/[S} what are the units for the slope. 2. In a Lineweaver-Burk plot of 1/v versus 1/[S} what are the units for the y intercept
Unit cell problem of copper (Cu) is a face-centered cube that has an edge lenth of 3.62 A (note: 1A=1*10^-10 m). Determine the volume occupied by one mole of copper atoms, , in terms of mL/mol.
Calculate the mass (in mg) of KCN needed to make 500. mL of aqueous KCN solution with a pH of 10.00. The Ka of HCN = 5.0 x 10-10.
What might you conclude about the structures of these 3 (X,Y,Z)compounds?
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