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Problem- What is the vapor pressure in mmHg of a solution prepared by dissolving 35.0g of ethyl alcohol (C2H5OH) in 100.0 g of water at 25 ?C?
The vapor pressure of pure water is 23.8 mmHg, and the vapor pressure of ethyl alcohol is 61.2 mmHg at 25 oC.
What is the vapor pressure of the solution if 35.0g of water is dissolved in 100.0 g of ethyl alcohol at 25 ?C?
I am not able to determine the correct answer for the above question please helps me to get the correct answer
Calculate the molecular weight of the compound? Given that Kf=1.86 and the compound in not ionic.
Explain your answer. Could you still identify what those amino acids were? Explain your answer. What can you not do?
The rate of an enzyme-catalyzed reaction usually increases with temperature, but then decreases after reaching the "optimal temperature."
The mixture had an observed specific rotation of +15.3 degrees. If it is known that the specific rotation of the R enantiomer is -30.8 degree, determine the percentage of each isomer in the mixture.
In the laboratory, you are studying the first-order conversion of a reactant to products in a reaction vessel with a constant volume of . At 1:00 p.m., you start the reaction at 23 with 1.000 of . At 2:00 p.m., you find that 0.600 of remains, and ..
The equilibrium constant (Keq) of the hydrolysis of glucose-1-phosphate at standard conditions is 4.25 * 10^3. The reaction can be written: G-1-P + H2O Glucose + H2PO4- What is the standard free energy change (delta G) in KJ/mol
Calculate the boiling point of a solution prepared by dissolving 70.0 g of naphthalene, C10H8 (a nonvolatile nonelectrolyte), in 220.0 g of benzene, C6H6. The Kb for benzene = 2.53°C/m. The boiling point of pure benzene is 80.1°C.
Estimate the temperature at which calcium carbonate is likely to decomp under 1atm of pressure. Reaction: CaCO3(s) -> CaO(s) + CO2 (g) For this rxn: dHstandard = 177.8 kJ and dS standard= 160.5 J/K (notice unit differences)
Explain how much heat in kJ is required to increase the temperature of 125 gH2O from 2.2°C to 48.6°C? The specific heat of water is 4.18 J g-1 °C-1.
Calculate the quantity indicated for each of the following electrolyses. Enter scientific notation as 1.23E4. (a) [Cu2+] remaining in 5.70E2 mL of a solution that was originally 0.412 M CuSO4, after passage of 3.50 A for 289 s and the deposition o..
relative orientations (up and down) of the two Me groups to one another. Designate each isomer as cis or trans and also indicate if it is chiral or not. indicate the one isomer that dose not have a plane of symmetry but is not chiral.
If 4.00 ml of vinegar needs 42.0ml of 0.110M NaOH to reach the equivalence point in a titration, how many grams of acetic acid are in a 1.10qt sample of this vinegar?
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