What is the freezing point depression of a solution
The freezing point of benzene is 5.5oC. What is the freezing point depression of a solution of 5.00 g naphthalene (C10H8) in 444 g benzene (Kf of benzene = 4.90oC/m)?
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A sample of gas is collected over water at a temperature of 35.0C when the barometric pressure reading is 707 torr. What is the partial pressure of the dry gas, given PH2O = 42.2 torr?
If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial pressure of argon?
What is the concentration of solute particles (or ions) in mol/L present in 1 L of the following aqueous solutions? Assume all compounds listed are soluble.
What is the maximum amount of each product that can be formed? How much of the other reagent is left over after the reaction is complete?
Considering a higher specific heat for water, what will the temperature change in the calorimeter be higher, lower, or unaffected by this technique error?
A 0.30 M solution of sucrose (C12H22O11) at 37oC has approximately the same osmotic pressure as blood. What is the osmotic pressure of blood?
How many moles of HCl need to be added to 15.0 mL of 0.50 M NaZ to have a solution with a pH of 6.50? (Ka of HZ is 2.3e-5). Assume negligible volume of the HCl. Can you show the work too please?
A perfectly conducting plane is located in free space at x=4,and a uniform line charge of 40 nC/m lies along the line x=6,y=3.Let V=0 at the conducting plane.At P(7,-1,5) find Voltage and Electric field intensity?
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