Calculate energy difference in j between initial and final
A Li2+ ion emitts a photon with a wavelength of 5.41× 101 nm, calculate the energy difference(absolute value) in J between the initial and final state of theLi2+ ion. Express answer in scientific notation.
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Calculate the total heat change, the ΔE, the PV work, and the ΔH when 54 g of ice is converted into54g of steam. [H2O(s) at -10°C converted toH2O(g) at 110°C].
Explain why it is necessary to remove the Erlenmeyer flask from the hot water bath at the moment the volatile liquid disappears from the flask, rather than while there is still water liquid in the flask, or minutes after the liquid has completely
What is the half-life of a compound if 81percent of a given sample of the compound decomposes in55 min? Assume first-order kinetics
The energy levels the electron can occupy in the H atom can be calculated using the energy level equation. Calculate the wavelength (nm) of the photon emitted when the electron goes from a n= 4.00 energy level to a n= 1 energy level.
When a ball rolls down a incline plane it gains speed,because of gravity,when rolling up it losees speed because of gravity. Why doesn't gravity play a role when it rolls on a horizontal surface?
Design a combinational circcuit with three inputs x y and z and three outputs A B and C. When the binary input is 0 1 2 3 the binary output is one greater than the input.
Explain how this happens at an atomic level, taking into account what a current is, the opposite charges in an atom and how ionization occurs.
A photon in the gamma ray region of the electromagnetic spectrum has an energy of 9.12 × 10-14 J, calculate the wave length in pm of the photon. Express answer in scientific notation.
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