How can explain the average atomic mass of m
Determine the average atomic mass of M when the M2S3(s) is heated in air, it is converted to MO2(s) and a 4.200 g sample of M2S3(s) shows a decrease in the mass of 0.239 g when it is heated in air.
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An electron in hydrogen absorbs a photon having a wavelength of around 19.1 µm and ends up in the n = 8 state. Determine the initial state of the atom?
Calculate the molarity of Cl- in this solution when a solution is prepared by dissolving the 23.7g of CaCl2 in the 375 g of water and the density of the resulting solution is 1.05 g/ml.
Determine the pH of the solution after the addition of 29.7mL of NaOH solution? Consider the titration of the 50.0 mL of 0.217 MHN3 (Ka = 2.6 * 10 ^ -5) with 0.183NaOH.
If the dissociation of any H2 molecule were accomplished by the absorption of a single photon whose energy was exactly the quantity required, explain what would be the wavelength in meters?
When and electron relaxes from the n=2 level to the n=1level in the H atom, how do you calculate the energy of the light emitted in (Kj/mol).
Two objects attract each other having a gravitational force of magnitude 9.90 x 10-9 N when separated by 19.6 cm. When the net mass of the objects is around 5.09 kg, determine the mass of each?
Determine the numbers of un-hybridized d-orbitals are on the central atom of SeCl2? Explain what kind of hybrid orbitals does PF3 use in the bond formation?
A hiker of 200 lb having a backpack of 50 lb hikes from 1 camp at 10,000 ft altitude to camp 2 at 13,300 ft in 8 hours. Determine how much net work is done?
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
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Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult