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Write complete electron configurations for the following elements.
Use the buttons at the top of the tool to add orbitals in order of increasing energy, starting at the bottom with the lowest energy orbitals. Click within an orbital to add electrons.
consider the following reactioncacl2 s rarr ca2 aq 2 cl- aq deltaho -81.5 kja 38.3 g sample of cacl2 mw 110.98 gmol
The reaction between ethyl iodide and hydroxide ion in ethanol (c2h5oh) solution, c2h5oh + oh --> c2h5oh + I, has an activation energy of 86.8 kj/mol and a frequency factor of 2.1 x 10^ 11
the normal boiling point of menthanol is 64.7 degrees celcius, and its molar enthalpy of vaporization is 71.8 kj/mol. Calculate the value of delta S when 1.00 mol of CH3OH (liquid) is vaporized at 64.7 degrees celcius.
How many grams of CO2 are produced when 100.0 grams C4H10 are burned in an excess of oxygen as follows
Describe an apparatus by which azeotrope formation can be used to drive the equilibrium toward the products, thus maximizing the yield.
How many grams of methane must be combusted to heat 1.15 of water from 26.0 to 87.0, assuming as a product and 100% efficiency in heat transfer?
In a certain city electricity costs .15$ per Kw/hr. Explain what is the annual cost to for electricity to power a lamp post for 7 hrs a day with
A 354 gram sample of C6H12O6 has a pressure of 648 torr at 31°C. What is the volume (L) of the container?
The osmotic pressure of an aqueous solution at 300 K is 120 kPa. Calculate the freezing point of the solution.
Explain why it is necessary to remove the Erlenmyer flask from the hot water bath at the moment the volatil liquid disappears
The atmospheric sulfur dioxide concentration over a certain region is 0.12 ppm by volume. Calculate the pH of the rainwater due to this pollutant. Assume the dissolution of SO2 does not affect its pressure.
Set of quantum numbers listed in the form: (n,l,ml, ms). for each set of quantum numbers, indentify the corresponding orbital (1s, 2s, 3s....etc) if not allowed say not allowed.
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