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The Vapor Pressure of benzene is 100.0 mmHg at 26.1 degrees celcius. Calculate the vapor pressure of a solution containing 27.5 g of camphor (C10H16O) dissolved in 94.4 g of benzene. (Camphor is a low-volatility solid.)
Gold sells for $1120/oz. One ounce is equal to 28.35g. The molar mass of gold is 196.97g/mol. 1 moldovian franc contains 0.567g of gold. If 1 franc = $1.42, how many atoms of gold are presents in 0.010 moldovian francs?
A particular coal contains 2.5% sulfur by mass. When this coal is burned, the sulfur is converted into sulfur dioxide gas.The sulfur dioxide reacts with solid calcium oxide to form solid calcium sulfite CaO(s)+SO2(g)?CaSO3(s),S(s)+O2(g)?SO2(g)
For estimating ozon in the air, a certain volume of air is passed through an acidified or neutral KI solution when oxygen is evovled and iodide is oxidized to give iodine
Draw line-bond structures for C3H6O, include all the constitutional isomers (except those with carbon-carbon double or triple bonds.) for each constitutional isomers
The next three (3) problems deal with the titration of 331 mL of 0.501 M carbonic acid (H2CO3) (Ka1 = 4.3 x 10-7, Ka2 = 5.6 x 10-11) with 1.5 M KOH.
Approach the tank slowly and carefully carrying full face mask with portable oxygen. The characteristic odor will be evident if leaking then put on the PPE.
What are the advantages and disadvantages of natural products as lead compound?
If you were transferring 0.2 mL of stock solution to another vial in order to begin performing a 1:5 serial dilution, what volume of DI water must be added to complete the dilution?
A liquid has a H vaporization of 35.5kJ/mol and a boiling point 0f 122 degrees celcius at 1.00 atm.What is its vapour pressure at 109 degrees celcius.
If 3.55 g of CuSO4 are dissolved in 925 mL of 0.30 M NH3, what are the concentrations of Cu2+, Cu(NH3)42+, and NH3 at equilibrium Kf, Cu(NH3)42+= 1.1 x 1013 . Assume that most of the Cu2+ is converted to the complex since K is a very large number...
What is the concentration of H+ in 0.0025 M HNO3? What is the pH of this solution? What is the OH- concentration in this solution
When 36.4 g of calcium and 11.1 g of water are reacted according to the following equation: Ca(s) + 2H2O(l) → Ca(OH)2(s) + H2(g) How many liters of hydrogen gas at a pressure of 727 mm Hg and a temperture of 47.8 °C are produced?
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