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Problem- Addition of HCl and HNO3 both dissolve MnS when added to a saturated aqueous solution.
Explain how each assists the dissolution process. Comprise equations.
a 105.5 mg sample of a white substance is suspected to be cocaine c17h21no4. the substance formed 279.3 mg of co2 and
Calculate the half-life (in s) of a first-order reaction if the concentration of the reactant is 0.0654 M 18.4 s after the reaction starts and is 0.0112 M 82.9 s after the reaction starts.
Briefly explain the geometry (hybridization) of an amide nitrogen, and resonance explanation for the conformational stability of the amide
Calculate the grams of potassium hydrogen phthalate required to react with approximately 25 mL of 0.1 M NaOH
What is the percent yield of CO2 if the expected theoretical yield is 8.11·10-3 mol? Vapor pressure of water at 20.0 oC is 17.55 mmHg .
what is the composition of the bubbles observed when the crude methyl benzoate product is washed with sodium
What is the vapor pressure of the stored mixture?
Problem- Salicylic acid is both a phenol and a carboxylic acid. 1) Explain why acetylation with acetic anhydride occurs at the phenolic hydroxyl group rather than at the carboxyl group.
what masses of glaubers salt must be used to provide 6 mol of sodium
The boiling point of a certain pure liquid is 53.0 C and the enthalpy of vaporization is 32.7 kJ/mol at this temperature. The entropy of vaporization for this liquid is: in J/K mol
Starting with Benzyl alcohol (PhCH2OH), 1-Proponal and any other organic or inorganic reagents outline a synthesis of 2-methyl-3-phenyl-2propen
thermodynamic equilibrium constant (K) for liquid-gas partitioning is a ratio of the analyte concentration in liquid phase to its concentration in gas phase. for some system K=10 at room temperature (25*C). find K value for this system at 80*C. Ex..
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