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At 25 °C, the vapor pressure of acetone is 230 mmHg and the vapor pressure of toluene is 284.5 mmHg. What is the total vapor pressure at 25 °C above an equimolar mixture of these two miscible liquids?
The pressure inside a hydrogen-filled container was 2.10 atm at 21 C. What would the pressure be if the container was heated to 94 C?
Question- Write the types of radiation observed in the electromagnetic spectrum going from high to low energy. Also include what types of process occurs in atoms or molecules for each type of radiation
When aqueous solution of sodium sulfate and lead nitrate are mixed, lead sulfate precipitates. Calculate the mass of lead sulfate produced when 1.25 L
a 0.0490 molal aqueous nabr solution freezes at -0.173degc. what is its apparent percent dissociation in this solution?
Problem- In the synthesis of barium carbonate from an alkali metal carbonate (M2CO3 where M is one of the alkali metals) a student generated 3.723 g of barium carbonate from 2.001 g of their alkali metal carbonate. The reactants were M2CO3 and bar..
Suppose a 10 mL sample of solution is to be tested for Cl- by adding .2 mL of .15 M AgNO3. What is the minimum number of grams of Cl- that must be present in order for AgCl(s) to form
What data would you plot in order to use the Nernst equation to determine the concentration of an unknown solution of ions?
Calculate the wavelength, in nanometers, of the spectral line produced when an electron in a hydrogen atom undergoes the transition from the energy level
in niobium nb metal the valence orbitals are the 5s 4d and 5p orbitals. if the bonding in nb metal is described used
Problem- Calculate the molar concentration of H+ ion of a solution that is 6.07×10-2 M in CH3CO2H and 3.56×10-3 M in the salt CH3CO2Li.
A certain substance has a heat of vaporization of 64.56 kJ/mol. At what Kelvin temperature will the vapor pressure
Ozonolysis of a single enantiomer of R produces S, an acyclic, optically active ketoaldehyde of formula C6H10O2. Propose structures for compounds Q, R, and S. Do not label them; simply draw all three of them in the space provided in any order.
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