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Find out the pH of a .06M solution of H2SO4. The dissociation occurs in two steps Ka1 is extremely large; Ka2 is 1.2*10^-2
Calculate the separation in energy between the ground state and the first excited state in which one electron occupies the state with n=7. Calculate the frequency of the radiation required to produce a transition between these two states.
From the images of the structure of benzil, if the ketone groups are facing opposite directions, you get a net 0 diploe moment because they cancel. But if you have a cis molecule, then they both face the same direction.
What reactants are needed to make bromocyclohexane into cyclohexanol without producing any (or very little) cyclohexene
Determine the percent by mass of all elements in the compound sodium carbonate decahydrate better known as washing soda.
What is the molar mass of a gas if 0.250 g of the gas occupies 215 mL at 618 mmHg and 30.0°C?
In another experiment it was determined that for each mole of hydrocarbon, 7 moles of oxygen gas are consumed and 5 moles of CO2 gas and 3 moles of H2O liquid are produced. Find ?H per mole of this hydrocarbon (in kJ) at 298 K
Some hypothetical metal has the simple cubic crystal structure (i.e., atoms positioned at each of the eight corners with atoms touching one another along cube edges). Calculate its atomic weight if its atomic radius and density are 0.153 nm and 8...
Identify each of the following as a substance that is part of the citric acid cycle, electron transport, or both:
A 50.0 mL solution of NH3 was titrated with 0.100 M HNO3. The volume of titrant required to reach the equivalence point was determined to equal 38.25 mL (Kb = 1.8 x 10^-5). what is the pH of the solution after 20.0 mL of HNO3 were added
what type of energy kinetic or potential is contained in chemicals? what aspect of chemicals is changed during a
If the pressure exerted on a 375 ml sampe of Hydrogen gas at a constant temperature is decreased from 1.75 atm to 1.00 atm, what will the final volume of the sample be
an organic compound containing only c h and n yields the following data. i. complete combustion of 35.0mg of the
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