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Why is it an important concept that atoms generally appear in whole number molar ratios to each other in chemical compounds, and in general, would you expect that students would find this ratio to be lower or higher than the actual ratio?
The Ka for the dissociation of Aspirin in aqueous is 3.3 x10-4 at 25?C. If the initial concentration of Aspririn is 0.005M and using equilibrium reaction below calculate the concentration of Hydronium ion and the concentration of the conjugate bas..
For the reaction SO3+H2O=H2SO4 calculate the percentage yield if 600 g of sulfur trioxide react with excess water to produce 475 g of sulfuric acid
Calculate the mass of nitrogen dissolved at room temperature in an 96.0 home aquarium. Assume a total pressure of 1.0 and a mole fraction for nitrogen of 0.78.
A sample of gas has a mass of 0.565 . Its volume is 119 at a temperature of 80 and a pressure of 746 . Find the molar mass of the gas.
What is the density of hydrogen gas at 23.0^C and a pressure of 1640 psi?
a zero-order reaction has a constant rate of 2.50times10-4 . if after 35.0 seconds the concentration has dropped to
A gaseous compound containing hydrogen and carbon is decomposed and found to contain 82.66% carbon and 17.34% hydrogen by mass. The mass of 158 of the gas, measured at 556 and 25 , is found to be 0.275.
consider a container of volume 250 ml that is divided into two compartments of equal size. in the left compartment
How many seconds are required to produce 1.0 g of silver metal by the electrolysis of a AgNO3 solution using a current of 30 amps?
what are the ground state electron configuration of the elements in period 2 of this alternate reality?
An unknown gas effuses at a rate of 86.6 mol/hr. Under similar conditions, I2 effuses at a rate of 30.4 mol/hr. What is the molar mass of the compound.
what is the most likely reason osha requires employers to protect flooring and handling areas in buildings against
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