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A solution of 75.0 of benzene and 75.0 of toluene has a total vapor pressure of 80.9 at 303 . Another solution of 100.0 benzene and 50.0 toluene has a total vapor pressure of 93.9 at this temperature.
Find the vapor pressure of pure toluene at 303.
Find the vapor pressure of pure benzene 303.
Consider the voltaic cell below, which is symmetric except for the fact that [Cu2+] is 1.0 M on the left side and 0.01 M on the right. Which electrode is +, and what is Ecell?
The bottle is brought outside and stored at 0.0°C. (See Table 5.2) (a) What mass of water condenses inside the bottle? _______g (b) Would water condense at 10 degrees C?
The acid ionization constant of Fe(H2O)62+(aq) is 3E-6. Compute the pH of a 0.2 M aqueous solution of Fe(NO3)2. 5. Compute the solubility of Mg(OH)2 in a buffer solution at pH=10.31. The solubility product of magnesium hydroxide is 1.2E-11
A student carried out several different determinations of the density of the metal ruthenium. The students results were as follows
A 2.5-L sample of a 6.3M NACl solution is diluted to 75L.What is the molarity of the diluted solution?
What component of air will bring about this reaction and what is its approximate concentration in air? If you had a stoppered flask with basic luminol and then opened it to the air
Calculate the equilibrium constant K for the isomerization of glucose-1-phosphate to fructose-6-phosphate at 298K .
For the following please provide the # of bonding domains, # of nonbonding domains, polarity, intermolecular attractive forces, and which IMAF is the most important.
At 0°C a 1.00 L flask contains 6.90 10-2 mol N2, 4.40 102 mg O2, and NO at a concentration of 9.00 1018 molecules/cm3. What is the partial pressure of each gas, and what is the total pressure in the flask?
If 132 mL of wet H2 is collected over water at 24°C and a barometric pressure of 736 torr, how many grams of Zn have been consumed?
4 KO2 + 2 H2O + 4 CO2 ==> 4 KHCO3 + 3 O2 How many moles of O2 will be produced if 5.86 moles of CO2 react completely?
when mixture A at 273 K is heated to 473 K, mixture B results. How many different chemical changes occur? How many different physical changes occur?
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