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Problem- Bond breaking energy of F-F= 38kcal/mol; Cl-Cl= 58kcal/mol; Br-Br= 46kcal/mol; I-I= 36kcal/mol? Could someone explain why the bond breaking energy doesn't decrease as we go down this group but instead random and F and I has a similar value
I need expert help to solve the above question. Show each and every step.
What will be the result of the errors in TLC technique? (a) Too much sample applied (b) Solvent with too high polarity (c) Solvent pond too deep in the developing chamber.
What is the chemical term for aqua oxigenada?
One of these compounds contains 80.78 percent C, 13.56 percent H, and 5.66 percent O. A solution of 1.00 g of this pheromone in 8.50 g of benzene freezes at 3.37°C. What is the molecular formula of the compound
When iodine solution is mixed with cyclooctene, the color of the iodine disappears. Write a reaction that shows the product
Using the same sample of gas ( P1= 695 , T2 = 27 ), we wish to change the pressure to 6950 with no accompanying change in volume or amount of gas. What temperature T2, in Celsius, is needed to reach this pressure
Carry synthesis of the following compounds using 4-octyne as the only source of carbon. Provide a full retrosynthetic analysis as well as the complete forward synthesis including all reagents necessary to carry out each step.
What mass of water is necessary to prepare each of the following solutions? 1.) 200.0g of 1.30\% saline solution 2.) 80.00g of 15.0\% sugar solution
Propose a structure for a C6H15O2N compound that is unstable in aqueous acid and has the following NMR spectra: 1H NMR: ? 2.30 (6H, s); ? 2.45 (2H, d, J = 6 Hz); ? 3.27 (6H, s); ? 4.50 (1H, t, J = 6 Hz) 13C NMR: ? 46.3, ? 53.2, ? 68.8, ? 102.4
A 1.000 L steel tank is fitted with a safety valve that opens if the internal pressure exceeds 1.00 x 103 torr. It is filled with helium at 19.5 °C and 0.924 atm and then placed in boiling water at exactly 100°C. What is the pressure in atm in the..
Problem- How much work does it take to move 9.5x10^-4 mol of e- across a 6.70 V potential. Please define the answer and show the math.
Why might this fire rekindle days later as someone tries to remove the residue with water? What chemical process is involved here?
Problem- a 25.00 ml sample of NaOH is titrated with 26.14 ml of .1759 M HCL. 1) What is the Molarity of the NaCl solution
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