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Organic Chemistry Lab: Fractional and Simple distillation of acetone/ethanol mixture
Question: how do I find the percent volume of acetone in the original mixture?
An automobile gasoline tank holds 47kg of gasoline. When the gasoline burns, 165kg of oxygen are consumed and carbon dioxide and water are produced.What is the total combined mass of carbon dioxide and water that is produced?
Show how the electronic structure of the NO molecule can be inferred from that of O2. Explain why NO+ has a stronger bond then NO itself.
Select all of the correct statements about equilibrium from the choices below. At equilibrium the rates of forward and reverse reactions are equal. As a reaction proceeds backwards toward equilibrium the reverse rate drops. At equilibrium all reac..
The following mechanism has been proposed for the gas-phase reaction of chloroform (CHCl3) and chlorine: 1) Cl2 ? 2 Cl (fast, reversible) 2) Cl + CHCl3 ? HCl + CCl3 (slow) 3) Cl + CCl3 ? CCl4 (fast) What rate law does this mechanism predict
Question- An excited H atom with the electron in energy level 6 emits a photon of wavelength 410nm. what energy level does the electron drop to.
determine the ph of the following solutions, showing calculations.
Explain why Cu2+ ion does not precipitate as the hydroxide when you add NH3 solution to make the solution basic. Write a chemical equation to support your explanation.
1. as we know a homes used hot water tank and every hot water tank is an anodecalled a dip tube with the time this
Calculate the amount of heat required to completely sublime 73.0 g of solid dry ice (CO2 ) at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 kJ/mol.
The following sequence of reactions is a good way to convert 1-alkylcyclohexene to a 3-alkylcyclohexene. Draw structural formulas showing stereochemistry for each step of the reaction sequence and show why it gives the desired product.
A graduated cylinder contains 10.0 of water. What is the new water level after 36.0 of silver metal is submerged in the water.
If the temperature in the chamber is 103 °C after the charge is ignited, what is the pressure, in atmospheres, behind the cannonball when the gunpowder goes off?
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