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Write a paper on an article and it shows many different compounds and need a better understanding of where each originated and what steps were made in their synthesis.
When (4R,4S)-hydroxy-4-(4'-nitrophenyl)butan-2-one is in methylene chloride at -78 degrees celsius and diethylaminosulfur triflouride was added it yielded (4R,4S)-flouro-4-(4'-nitrophenyl)butan-2-one.
an aerosol spray can with a volume of 270 ml contains 3.2 g of propane gas propellant. what is the pressure in the can at 20 c.
Every measurement has a measurement uncertainty. Discuss how precise and accurate measurement can be achieved in spite of the inherent measurement uncertainty.
2 Al(OH)3 + 3 H2SO4 → Al2(SO4)3 + 6 H2O. How many grams of Al2(SO4)3 are generated when 152 g of H2SO4 reacts.
calculate the pH formed by mixing 100 mL of 0.20 M HCL with 50 mL of 0.30 M NaOH.
When a clear aqueous solution of calcium chloride (CaCl2) is mixed with a clear aqueous solution of sodium carbonate (Na2CO3), a white solid precipitate forms.
A chemist prepares a sample of hydrogen bromide and finds that it occupies 252 mL at 70C and 464 Torr. What volume would it occupy at 0C at the same pressure.
A room contains 46 of air.How many kilowatt-hours of energy are necessary to heat the air in the house from 9 to 30? The heat capacity of air is 1.03.
Write the balanced chemical equation using the lowest possible whole number coefficients for Fe2O3+2Al = 2Fe+Al2O3.
An odorous gas emitted by a hot spring was found to diffuse 2.92 times slower than helium. What is the molar mass of the emitted gas.
State the conditions under which all derivatives of benzene like chlorobenzene, benzoyl chloride and chlorophenyl methane would react with sodium hydroxide.
Thermochemistry and Periodic Properties of Elements. State which atom is larger according to periodic trends. Explain the difference for each of the pairs.
Separation of acetone from water by using MIBK - How much MIBK must be used if the final acetone concentration in the water-rich phase is 5 wt%?
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