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Throughout the addition of bromine to trans-cinnamic acid, the following amounts were used: 10.0 mmol trans-cinnamic acid, 6.0 ml glacial acid, and 10 ml 1.0 M solution of bromine in acetic acid.
Presume only use half the amount of bromine solution givenThree gases 8.00g of methane, 18.0g of ethane and an unknown amount of propane, were added to the same 10.0-L container. At 23.0 C the total pressure in the container is 4.90. Define what is the partial pressure of each?
What factors determine the strength of interaction bwtween two atomic orbitals to form a molecular orbital
A 0.003525-mol sample of an organic compound was burned in oxygen in a bomb calorimeter. The temperature of the calorimeter increased from 24.5oC to 26.7oC.
The stabilization of a half-filled of shell is even more pronounced than that of the p subshell. Why
Evaluate the electronic configuration for ionization energies of Magnesium, the orbital number in which the electrons are added in phosphorus ion, and the one will lose in the ionization of Alluminium.
A compound, C10H14, shows an IR peak at 745 cm-1. Its 1H NMR spectrum has peaks at delta 7.18 (4 H, broad singlet), 2.70 (4 H, quartet, J=7 Hz), and 1.20 (6 H, triplet, J=7 Hz).
Calculate the energy difference (E) for the transition from n = 1 to n = 4 energy levels of hydrogen per 1 mol of H atoms.
How many different tripeptides can be made from two molecules of glycine and one molecule of histidine
Why must the free-radical polymerization reaction be heated when it is not necessary to heat the ionic polymerization
A sample of a gas at 0.91 atm occupies a volume of 374 mL. If the temperature remains constant, what will be the new pressure if the volume increases to 265 mL?
A solution is 2.25% by weight NaHCO3. How many grams of NaHCO3 are in 250.0 g of solution
Write net ionic equations for the reactions that take place when aqueous solutions of the following substances are mixed.
Briefly explain why hydrogen atoms in methane are all in equivalent positions? B. Briefly explain why there are no structural isomers of propane (c3h8)
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