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].
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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?
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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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