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The density of a 2.45M solution of methanol (CH3OH) is .976 g/mL. what is the molality of the solution?
a mixture of 2- percent ammonia 55 percent hydrogen and 25 percent nitrogen by a volume 9.8 newton per square meter. what is partial pressure of ammonia?
The molar heat capacities of iron and gold are 25.19 J/(mol c) and 25.41 j(mol c). what is the final temp of the water and the pieces of metal
One of wavelength 434.2 nm to reach an intermediate level and a second to return to the ground state. What was the wavelength of the second photon emitted
A goose is flying south for the winter at a constant speed. Keep in mind that one mile is 1.61 , and one pound is 454 .The goose has a mass of 20.1
The principal quantum number, n, describes the energy level of a particular orbital as a function of the distance from the center of the nucleus. Additional quantum numbers exist to quantify the other characteristics of the electron
What mass in grams of ethanol is required to (experimentally) produce 100 g of carbon dioxide with an 88.9% yield
How do I convert Benzene to M-Bromoaniline using HNO3,H2SO4 and BR2FE2BR3, and SNHCL. What is the correct order of the reagents and why
How much of Earth's surface would we need to cover with solar energy collectors to power the planet for use by all humans. Assume that the solar energy collectors can only convert 10 of the available sunlight into useful power.
Please suggest me with the possible answers how the coronarin D is synthesised from labdane dildehyde and also suggest me with the different agents reactions for epoxidation. how the dialdehyde is converted to monocarboxylic acid.
A student prepared a solution by dissolving 0.4351±0.0002 g of NaCl (formula mass of NaCl is 58.443±0.002g/mole) in 997.33±0.03ml of water. Then, he accidently added 5.21±0.02ml of water into the solution.
draw a qualitative potential energy diagram for the rotation about the c3-c4 bond in 2,4-dimethylpentane
What is the change in internal energy (in J) of a system that absorbs 0.532 kJ of heat from its surroundings and has 0.225 kcal of work done on it? = j
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