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A saturated solution of copper(II) sulfide, CuS, has [Cu^2+]=1.1x10^-18 M. what is the value of Ksp for CuS?
label the layers after an extraction. Describe a fast method for determining which layer is your organic phase.
Orange juice is an aqueous solution that derives much of it's acidity from citric acid. There are variations in the acidity of each brand depending on many factors
5L of CO2 at 500 torr and 3L of CH4 at 400 torr are put into a 10L container. what is the pressure exerted by the gasses in the container.
Combustion reaction, A fuel has the following weight percentage composition, C = 52%, H = 11%, S = 0%, O = 9%, moisture = 13%, Ash = 15%
This sample was reacted with excess ammonia in diethyl ether at 0 c. The product mixture had a specific rotation of -29.9 degrees. If the specific rotation of pure (R) 1-phenyl ethanamine is +39.3 degrees. This reaction resulted in [X] percent inv..
Explain why the one product is formed preferentially overthe other. What reaction inductions can you change to favor the formation of the minor product
When NO(g) reacts with H2(g) to form N2(g) and H2O(l), 376 kJ of energy are evolved for each mole of NO(g) that reacts. Write a balanced thermochemical equation for the reaction with an energy term in kJ as part of the equation.
Calculate the free energy change for the following reaction and predict whether the reaction occurs spontaneously at 25 degrees celcius. H2(g)+CO2(g)-->H20(g)+CO(g); ?H=41.8 kJ, ?S=42.1 J/K
how efficient is the extraction of tea leaves containing 1.0g of caffeine with two 30mL portions of chloroform over that of a single-step extraction? KD= 8.36 at 25 C)
Determine the ph ( to 1 decimal place) of a slution prepered by adding 125ml of 0.759M acetic acid to 10.3g of sodium acetate. the pKa of acetic asid is in table 10.2. Assume the volume of the solution does not change?
Calculate the number of moles of KHP? b. How many moles of NaOH will react with the KHP dissolved in water? c. Calculate the Molarity of the NaOH solution?
All organic (carbon-cointaining) products and cataloytic conditons must be shown as well as multiplel products. Studying for final. 2,4dimethypent-2- is the starting product
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