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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
A 1.080 g sample of a new organic substance is combusted in the same calorimeter. The temperature of the calorimeter increases from 22.14°C to 26.82°C. What is the heat of combustion per gram of the new substance
The bond angles in H3O+ are:? a) slightly less than 109.5o b) exactly 109.5o c) slightly less than 90o d) exactly 90o
How many moles of Na2SO3 were added to the calorimeter cup if 30.0mL 0.50 M NaOCl and 70.0mL 0.50 M Na2SO3 were combined?
A flask is charged with 0.983 atm of N2O4 (g) as well as 0.752 atm NO2 (g) at 25 degrees C. Explain the equilibrium reaction is N2O4 (g) arrow pointing in both directions 2NO2 (g). After equilibrium is reached, the partial pressure of NO2 is 0.413..
You add 1.00 g of a solid weak acid to 100 mL of water, then titrate with 0.100 M NaOH solution. The pH at the half equivalence point is 4.22. Which of the acids in the Weak Acid Equilibrium Constant table most likely matches your unknown?
an element consists of two isotopes. the abunance of one isotope is 60.1 and its atomic mass is 68.9256 u. the atomic
Calculate the change in internal energy on an isothermal compression of 1.00kg of water at 20degress from 10^2 to 10^4 kPa
Then 10.00ml of this solution is diluted further to 100ml. What is the molarity of this last solution?
Question- Draw the Lewis structures of Me and Pr. What is the expected C-O-H bond angle? Comment of the feasibility of complex formation if the C-O-H bond angle was 180 degrees.
Ignoring activities, determine the molar solubility of copper (I) azide (CuN3) in a solution with a pH of 13.11. Ksp (CuN3) = 4.9 × 10-9; Ka (HN3) = 2.2 × 10-5.
The metal is obtained from seawater in a process that includes precipitation, neutralization, evaporation, and electrolysis. How many kilograms of magnesium can be obtained from 4.18 km^3 of seawater
How many grams of a 0.30 M solution of hydrocholoric acid would contain 5.2 g of pure hydrocholoric acid? The density of 0.30 M hydrocholoric acid is 1.2 g/mL
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