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Create a procedure you can use to prepare a series of solutions to determine the molar absorptivity of your food dye
Consider the reaction CO(g)+ 3H2(g) CH4(g)+ H2O(g) with KC=4.1 x 105 at 773 K. The following amounts of substances are added to a 7.25 L reaction vessel: 0.103 moles CO, 0.205 moles hydrogen gas, 2.10 moles CH4 and 3.15 moles water vapor.
How may (a) neutral (b) acidic and (c) alkaline aqueous solutions be defined in terms of concentrations of hidrogen and hydroxyl ions and the pH
A 1.50 L buffer solution is 0.250 M in HF and 0.250 M NaF. Calculate the pH of the solution after the addition of 0.0500 moles of solid NaOH. Assume no volume change upon the addition of base. The Ka for HF is 3.5 x 10^-4
Complete and balance the reaction: H3PO4(aq) + Ba(OH)2 ---> b) Name the products c) Write the net ionic equation
Two carbon atoms are present in the simplest member of which of the following types of hydrocarbon derivatives
When an ionic solid dissolves in water, water molecules attract the ions causing them to dissociate of come apart. The resulting dissolved ions are electrically charged particles that allow the solution to conduct electricity.
blood cholesterol levels are generally expressed as milligrams of cholesterol per deciliter of blood. what is the
We have a nuts, bolts, and indirect measurement lab coming up. We'll get a bag of nuts/bolts and I need 2-3 methods on estimating the mass of a bolt without opening the bag. Thanks.
How much 10.0 M HNO3 must be added to 1.00L of a buffer that is 0.001 M acetic acid and 0.1 M sodium acetate to reduce the pH 5.45?
A fossil was analyzed and determined to have a carbon-14 level that is 22.0% that of living organisms. How old is the fossil
A student wished to prepare a Gringnard reagent from p-bromophenol. After working up the reaction mixture the student discovered the product was actually unreacted starting material. Explain why this experiment was unsuccessful.
a backpacker wants to carry enough fuel to heat 2.9 kg of water from 27 degrees c to 100.0 degrees c. if the fuel he
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