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How do I calculate bond enthalpy from a chemical reaction?

Example Q: See the reaction: CH 4 + Br 2 --> CH 3 Br + HBr, with bond energies as follows (in kJ/mol) :C-H = 412, Br-Br = 193,C-Br = x,H-Br = 366Overall energy = –51. Calculate x (bond energy of C-Br bond...
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Answered by Darcy E. • Chemistry tutor
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How does Tennessee Williams create a sense of fantasy and delusion in A Streetcar Named Desire?

Tennessee Williams creates a sense of fantasy and delusion through the development of his character Blanche. Blanche is introduced as Stella’s sister, who has moved for initially unknown circumstances and is...
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An isotope of Nitrogen has an atomic number of 7 and a mass number of 15. How many protons, neutrons and electrons will each atom have?does

Protons = 7Neutrons = 8Electrons = 7This N-15 isotope has an atomic number of 7 - this is equivalent to the number of protons.The atom is not charged and so will have the same number of electrons as protonsT...
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Answered by Eva B. • Chemistry tutor
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What is the basic structure of DNA?

DNA is made up of two strands that form a double helix structure. DNA is comprised of four different nucleotides, all made up of a sugar and phosphate group and one of four bases - A, T, C or G. These bases ...
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Answered by Eva B. • Biology tutor
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What is the function of mitochondria in a cell?

The mitochondria are where cellular respiration takes place. This organelle contains all the enzymes necessary for aerobic respiration (respiration that uses oxygen) to take place and produce energy for the ...
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Answered by Eva B. • Biology tutor
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