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Explain what are the concentrations of benzoic acid as well as benzoate if a solution containing 0.2 mM benzoic acid is adjusted at pH 7.2?
A solution is exposed to air where the partial pressure of N2 is 0.80 atm, and the concentration of N2 in solution is 6.0x10-4 M. What would be the concentration of N2 in solution if the partial pressure is lowered to 0.40 atm
The high-field:low-field integration ration is 2:1. Deduce the structure of the organic hald and explain the NMR signals. I'm thinking it's 1,1-dichloropropane.
Explain how much heat has to be added to 40 g of iron at 25.0 Celsius to raise the temperature of the iron to 250.0 Celsius. IF the Heat capacity of iron is 0.107 cal/(g C)
when an acid reacts with a metal, what is one of the usual products? a) carbon dioxide
In an attempt to determine the identity of the unknown metal in the orginal mixture you took 1.25 g of the pure metal your separation and determined its density by water displacemnt. If the density of the metal was 7.9 g/mL, what us the volume of ..
A sample of H2SO4 contains 1.11 grams of H (1.01 g/mol). How many moles of H2SO4 (98.02 g/mol) are present?
In the following exothermic chemical reaction, which stress will cause an equilibrium shift that favors the formation of more products. CH4 (g) + 2O2 (g) image from custom entry tool CO2 (g) + 2H2O (g)
Chlorine has two stable isotopes, chlorine-35(34.9688 amu) and chlorine-37 (36.9656 amu). If the average mass of chlorine is 35.4527 amu, what is the natural abundance of chlorine-37
A sample of N2 (g) effuses through a tiny hole in 19.0 s. How long would it take for a sample of N2O2 (g) to effuse under the same conditions
What is the name of the sticky gelatinous precipitate that is formed in the primary treatment process and carries away suspended dirt particles and bacteria?
In what region of the electromagnetic spectrum wil the electron transitions from a higher energy state to n1=3 appear for the hydrogen spectrum?
Make a rough sketch showing how the following properties of a baseball depend on time, from the moment it is hit high into left field to the time it is caught by the outfielder. You may neglect the effects of friction!
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