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In the Bohr model of the atom, are the electron in shells closer to the nucleus higher of lower in energy than electrons in shells father for the nucleus?
Experiment you measured teh effect of changing temperature on the pressure of a conatined gas at constant volume.
How many milliliters of 12.6 M HCl solution are needed to obtain 0.105 mol of HCl?
Nitrogen oxides undergo many interesting reactions in the environment and in industry. Given the following information, calculate H for the overall equation
how much heat must be added to 36.2g sample of iron to increase its temperature by 250.0 degree C.
Suppose that in changing samples, a portion of the water in the calorimeter weere lost. In what way, if any, would this change the heat capacity of the calorimeter?
What is the pH at the isoionic point? What is the pH at the isoelectric point? Explain the difference between your answers in (a) and (b), including specifically why one result is larger than the other.
write a complete and balanced molecular equation and identify the precipitate that forms when aqueous solutions NaOH and Cu(NO3)2 are mixed and identify all phases.
Suppose Joule encountered the waterfall at Niagara Falls. Calculate the height if the temperature difference between the top and bottom of the waterfall is 0.20° F.
which gives the order for first ionization energies smallest to largest
You are given trhat 0.01 m aqueous solutions of each of the given solution as, C6H12O6, K3PO4, CaCl2 , NaI you jutst need to place the given solutions in order of increasing change in the freezing point of the solution.
Calculate the range of pH values for which Mg(OH)2 will not precipitate but Fe(OH)3 will. Assume the solution is 0.0500 M
How many protons are required to heat 200mL of coffee from 22 degrees Celsius and 64 degrees Celsius
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