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Consider that a single box represents an orbital, and an electron is represented as a half arrow. Orbitals of equal energy are grouped together. The electron configuration will be valid if it follows both Hund's rule and Pauli's principle. Sort the various electron configurations based on whether they are valid, whether they break Hund's rule, or whether they break Pauli's exclusion principle. Drag the appropriate items to their respective bins.
Integrate the expression b = 1/V (derivative of V / derivative of T) at constant pressure, assuming that b is independent of temperature. By doing so, obtain an expression for V as a function of T and b at constant P. b means beta
A gas containing only CH4 and N2 is burned with air yielding a flue gas that has an Orsat analysis of CO2:8.7%, CO: 1.0%, O2:3.8%, and N2:86.5%. Calculate the percent excess air used in combustion and the composition of the CH4-N2 mixture.
describe how sp3 hybridization occurs in each atom. a) carbon b) nitrogen c) oxygen. If these elements use sp3 hybrid orbitals to form bonds, how many lone pairs of electrons would be found on each?
Consider the titration of 51.5 mL of 1.2M NaOH with 1.0 M HCl. Find the PH at the following points. The acid volume needed to reach the equivalence point
What is the enthalpy of this reaction. Assume that no heat is lost to the surroundings or to the coffee cup itself and that the specific heat of the solution is the same as that of pure water.
Calculate the velocity of a neutron whose de broglie wavelength is 500pm. The mass of the neutron is 1.009 amu.
A 10.00 mL 0.25 M formic acid sample is being titrated with 0.25 M NaOH. What is the pH of the solution after adding 15.00 mL NaOH solution?? Ka=1.8x10-4
The reaction will be spontaneous at high temperatures because increasing the temperature of a system with a negative change in S eventually results in a positive change in G.
Suppose you were instructed to add 38 g of sodium chloride (NaCl) to 100 mL of water. a. prepared as instructed at 20°C b. heated the mixture in (a) to 100°C
Consider the reaction CaCN2 + 3H2O ->CaCO3 + 2NH3 . How much NH3 is produced if 187 g of CaCO3 are produced?
What is the change in the volume of the balloon as it ascends to 7000ft?
How many milliliters of 0.200 M NaOH are needed to neutralize 100. mL of 0.100 M HCl
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