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To determine the enthalpy of formation of NO from nitrogen and oxygen, the enthalpy of the following reaction has to be determined: `N_2 + O_2 -> 2NO`

Each term in our sequence is 1 less than the corresponding term in the sequence of square numbers, so the rule for the n th term is n 2 - 1.

Given: The same thing

Find: The Wby

Solution:
epsilon = Wby/Qh
Wby = epsilon(Qh)

Please note that, due to the overlap of C/D questions, some material may have been tagged as appropriate for both Foundation and Higher tier. Equally, due to the nature of some questions, different parts of a question may assess different topics. Teachers are advised to ensure learners have covered all of the question content before using such questions.

Homework 1 Answers 1 a 7 9 b 1 7 c 82 12 3 = d 14 7 16 8 = e 51 25 5 = f 14 2 21 3 = g 12 2 30 5 = h 10 2 15 3 = i 10 1 20 2 = j 24 4 30 5 = k 18 3 24 4 = l 31 ...

Determine the bond order. It will be the number of pairs in bonding orbitals minus the number of pairs in antibonding orbitals.

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The constant given combines the Rydberg constant, the equation relating frequency to wavelength, and Planck's constant relating the energy of a photon to its frequency.  The units in the equation you gave cancel out to give energy in Joules. For simplicity, I left out the units since they would cancel out to give no units for the energy level integers.

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N2.2 Homework 1 - Cambridge Essentials