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In an experiment, 2.50 g salicycylic acid was reacted with excess acetic anhydride to synthesize aspirin, as shown below. In this reaction, 3.02 g of aspirin was obtained. Calculate the percent yield.
What is the percent yield if 6.25 g S2Cl2 is isolated from the reaction of 10.0 g S8 and 7.50 g Cl2?
What volume of ammonia could be made from the reaction of 2.5 liters of nitrogen (N2) and 8.5 liters of hydrogen (H2) at STP?
When 37.6 ml had been added the solution turned red .How many milligrams of I- were present in the original solution?
The heat effect of the neutralization reaction NaOH(aq) + HCl(aq) is measured in an open adiabatic solution calorimeter (not a coffee cup calorimeter) The heat capacity of the calorimeter itself is 456 J/K.
Which of the following types of radiation is composed of particles with a charge and mass identical to that of an electron?
What volume of .100 M NaCl is needed to react completely with 5.00mL of .200 M Pb(NO3)2.
Compute the atomic mass of 109Ag if natural abundance of 107Ag is 51.87% & atomic mass =106.905 amu and determine the probability of particle would be located in the range
Using K=3.9 as the equilibrium constant, Keq, Compute the amount of Isoamyl acetate, also known as isopentyl acetate (C7H14O2 )that must be present at equilibrium.
A gas mixture contains helium and oxygen at partial pressures of 255 torr and 0.450 atm.What is the total pressure in mmHg of the mixture after it is placed in a container one-half the volume of the original container? (Temperature remains constan..
A 10g sample of acetic acid HC2H3O2. was burned in a bomb calorimeter in an excess of oxygen. The temperature of the calorimeter rose from 25 C to 35.84C. If the heat capacity of the calorimeter and its contents is 13.43KJ/C, what is the enthalpy ..
Explain, phenomena in terms of atomic structure and behavior. When you lightly bump into a car, why does it dent and not create a hole.
If the solubility of a gas is 7.5 g/L at 404 kPa pressure, what is the solubility of the gas when the pressure is 202 kPa?
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