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An Element consists of 1.40% of an isotope with mass 203.973 amu, 24.10% of an isotope with 205.9745 amu, 22.10% of an isotope with mass 206.9766 amu. Calculate the average atmoic mass and identify element.
Calculate the amount of energy released per gram of hydrogen nuclei reacted for the following reaction. The atomic masses are H (with 1 neutron) = 1.00782 amu; H (with 2 neutrons) = 2.01410 amu; an electron = 5.4858 x 10^-4 amu.
At a particular temperature, K = 3.75 for the following reaction. SO2(g) + NO2(g) SO3(g) + NO(g)
Oxygen and hydrogen atoms combine to form molecules of wate. At the nuclear leveil, if one oxygen atom and one hydrogen atom were fused
Which one of the following electron configuration would corresponds to ground states and which to excited states: A)1s2 2s2 2p1 B)1s22p1 C)1s2 2s2 2p13s1 D)1s2 2s2 2p63s2
ch4 2o2 --ampgt co2 2h2owhat is main type of inter molecular force for each molecule and whats the intermolecular
What is the molarity of a solution prepared by dissolving 72.0 g of HCI in enough water to make 500 ml of solution.
A compound is found to be 74.03% C, 8.70% H, and 17.27% N. The molar mass of the compound is 162.23 g/mol. Find the empirical formula and the molecular formula of the compound?
what is the maximum mass of an object traveling at 549 m·s-1 for which the de Broglie wavelength is observable?
What is the concentration of Ba(OH)2 solution if 22.0 mL of 0.200 M H3PO4 is needed to neutralize
Calculate the change in chemical potential of an ideal gas when its pressure is increased isothermally from 1.8 atm to 29.5 atm at 40 C.
What is the molar solubility of Hg2C2O4 (Ksp = 1.75x10^-13) in 0.34M Hg2(NO3)2
The slope of the Gran Plot for the titration of KHP with NaOH was found to be -1E-05. Use this to determine ka2. Other values that may be of importance: concentration was measured
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