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Find the concentration of benzene in water (miligram/Liter) if the water is in equilibrium with a layer of oil containing 1%(mol) benzene. the solubility of benzene in water is 1.8 gram/Liter, the molecular weight of benzene is 78.11g/mol
Nitrogen reacts with hydrogen according to the following equation.
what is the charge of the carboxyl group in an amino acid at physiological pH. Please explain the charge. Also what is the charge above and below physiological pH
The titration required 10.51 mL of the KOH solution to reach an end point. What was the percentage by mass of K2SO3 in the original mixture of KNO3 and K2SO3?
Write equations showing how each of the following weak bases ionizes water to form OH- a) HCO3- b) CH3NH2 Identify all of the phases
Organic chemistry mechanism and conceptual problems involving, 1. Write equations to show how nitronium ions might be formed using a mixture of nitric and sulfuric acids.
A 31.0 mL sample of gas is collected at a temperature of 37 °C and pressure of 720 mmHg. What is its volume at 17 °C and 580 mmHg.
Using the van der Waal constants for methane in table 1.3 (a=2.283, b=0.04278) to calculate the initial slopes of the plots of the compressibility factor
Predict the product that would result from the reaction of the following. Balance each equation you write
How many total moles of ions are released when each of the following samples dissolves completely in water
Calculate the mass percent of a solution that is prepared by adding 61.3g of NaOH to 492g of H2O
Suppose that you have a 2.0 L sample of hydrogen at 1.00 atm and 59°C. If you heat the sample to 84°C and it expands to a volume of 3.7 L, what will the final pressure be?
Unlike chemical reactions, for which mass is conserved, nuclear reactions result in slight changes in mass. When mass is lost, it becomes energy according to the equation where is the energy in joules, is the mass defect in kilograms
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