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A compound has the empirical formula CH2O. When 0.0866 g is dissolved in 1.000 g of ether, the solution's boiling point is 36.5°C. Determine the molecular formula of this substance.
If you titrate 1.0 g of H2O2 solution (30wt%) with KMnO4, 25.05 ml of this KMnO4 solution is used. What is the molarity of KMnO4?
At 25 degree celcius, the density of a 50 percent by mass ethanol/water solution is 0.914 g per subic centimetre. Given that the partial molar volume of water in the solution is 17.4 cubic centimeter per mol.
A sample of 255mg of neon occupies 3.00dm3 at 122K. Use the perfect gas law to calculate the pressure of the gas.
Organic Oxygen Compounds, What are the possible isomers for Methanol, 1-Propanol, & 1-Pentanol?
A graduated cylinder contain s 23.0 mL water. what is the new water level after 35.6 g of silver metal is submerged in the water?
The solvolysis of benzyl chloride proceeds via a carbocation intermediate and occurs more rapidly than the solvolysis of 2-chloro-norbornane and tertiary butyl chloride.
An analyst was attempting to determine the percent KHP in an unknown sample. The analyst found the molarity of the standardized NaOH solution to be 0.1022 mol/L.
Imagine that you have a 5.00L gas tank and a 4.50L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
a sample of nitrogen gas is collected over water at a tempature of 23.0 c. what is the pressure of the nitrogen gas if atmospheric pressure is 785 mm hg
To what temperature must the specimen be heated and how much Sn should be mixed to the 1.5-kilograms specimen at the temperature of twenty five degree celsius to achieve this state?
Arsine (AsH3) has a vapor pressure is 35 Torr at -111.95?C and 253 Torr at -83.6 ?C. What is the normal boiling point of arsine.
A water pipe fills a container that measures 189 cm , 307 cm ,272 cm in 97 seconds, What is the rate of flow in the pipe in liters per minute.
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