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What total mass of hydrogen is contained in 4.2 g of solution that is 49 % hydrogen peroxide (H2O2) by mass (the balance being water)?
Can I be provided with the pictures of a labeled HNMR for each of these compounds? A) p-toluidine B) N-acetyl-p-toluidine C) p-acetamidobenzoic acid D) p-aminobenzoic acid E) ethyl p-aminobenzoate
Using methyl iodide with amines such as triethylamine, ethyldiisopropylamine, describe how the nucleophilicity of the amine affects the rate of an Sn2 reactions Use specific chemical examples to support the conclusion
a mole of atoms ions molecules or anything else contains avogadros number 6.022 x 1023 of these units. a mole of
How do you rank crystal lattice structures in order of decreasing efficiency of space in the structure
A 12-gram mixture of methane, CH4, and ethane, C2H6, is completely combusted in oxygen. If the total mass of H2O produced is 23.4 grams, what was the approximate mass of the methane in the original mixture
How many seconds are required to produce 1.0 g of silver metal by the electrolysis of a AgNO3 solution using a current of 30 amps?
calculate the work done by the gas in each case. For He, Cp= 20.79 J/K/mol and Cv= 12.38 J/K/mol, which may be taken as independent of temperature.
Establish the equilibrium K values for a distillation system to separate diisopropyl benzene from a mixture of heavy aromatics, the major component in the heavy aromatics is diphenyl propane. Other non key components are triisopropyl benzene, cume..
More gas is then added to the container until it reaches a final volume of 13.9 L. Assuming the pressure and temperature of the gas remain constant, calculate the number of moles of gas added to the container.
A 1.80 g sample of a large boimolecule was dissolved in 18.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule.
The temperature of both solutions before mixing was 22.5C and it rises to 24.28C after the acid base reaction so what is the enthalpy change for the reaction per mole of CsOH
How does the concept of ionic bonding describe- conductivity melting/boiling points, brittleness, and solubility
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