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Pressure in a room is 1 atm (760 torr). You measure the temperature if tea as it heats up and find it boils at 103.1°C, which is higher than normal boiling point of water at 1 atm. Finally you measure the vapor pressure of the tea once it has cooled down to room temperature and find it is lower than the pressure of pure water at the same temperature.
Explain why tea boils at over boiling point of water and explain how this is related to the drop in vapor pressure observed.
If the minimum amount of solvent is recrystallized at 12.8 g by heating it to 70 C and sampling it in an ice water bath what is the minimum percent recovery of the recrystallized material?
A sample of oxide of antimony (Sb) contains 30.5g of antimony combined w/10g O2. What's the simplest formula for the oxide
Find the concentration of the HCL solution in moles/liter. b). How could the HCl soluted be diluted to make 1000ml of HCl solution with a concentration of 0.400M
use this data for the questions...-mass of tube mno2 21.5403g-mass of tube mno2 kclo3 kcl 22.5518g-constant mass
A student following the procedure in this experiment prepared three solutions by adding 11.50, 23.00, and 34.50 mL of a 7.60 x 10-2M NaOH solution to 50.00 mL of a .112M solution of a weak acide.
If the specific heat of aluminum is 0.214 cal/g C, how much heat would it take to increase the temperature of a 100. gram block of aluminum from 25.0 C to 75.0 C?
Use stoichiometry and the balanced reaction below to calculate to moles of NaOH added at the equivalence point from the mass of ammonium chloride used.
A stream of propane is throttled from 20 bar and 518 K to 0.42 bar. This process is irreversible due to frictional losses at the nozzle.
Give the structure of a hydrocarbon that has six carbon atoms and three vinylic hydrogens and two allylic hydrogens
How many milliliters of O2 measured at 24C and 757mmHg , are released from solution in the first minute of the reaction? Please find volume
The reaction is first-order in N2O5, with the specific rate constant 6.08 x 10-4/s. Calculate the reaction rate at these conditions. a. [N2O5] = 0.200 mol/L b. [N2O5] = 0.319 mol/L
The phase diagram of ammonia can be characterized by the following information. The normal melting and boiling temperatures are 195.2 and 239.82 K, respectively, the triple point pressure and temperature are 6077 Pa and 195.41 K,
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