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Describe a procedure for making 100 mL of a 0.10 M solution of barium nitrate, Ba(NO3)2. Make sure to include all equipment and amounts of materials you will need.
An automobile gasoline tank holds 21kg of gasoline. When the gasoline burns, 86kg of oxygen is consumed and carbon dioxide and water are produced.
1 mol of ar initially at 298 k undergoes an adiabatic expansion against a pressure p external 0 from a volume of 20.0
What is the name to represent the Electronic geometry of C2F2 and also how do you draw a diagram of the actual shape? What is the name to represent the actual shape?
What minimum mass of succimer (C4H6O4S2) (in mg) is needed to bind all of the lead in a patient's bloodstream? Assume that patient blood lead levels are 25 micrograms/deciliter.
In the first step of the synthesis of PABA, why was it necessary to add sodium acetate to have reaction of p-toluidine with acetic anhydride?
What mass of HClO4 should be present in 0.600 L of solution to obtain a solution with a pH of 2.50?
Which of the following, when added in equal molar amounts to the AgOH/water mixture, will lead to the greatest concentration of dissolved Ag+ at equilibrium?
Water is composed of 11.2% hydrogen and 88.8% oxygen. What mass of water contains 16.0g of hydrogen?
Explain why a mercury-in-glass thermometer with a uniform-bore capillary that is correct at 0 celsius and 100 celsius read 49.9 celsius when the temperature is actually 50 celsius.
what is the total number of joules of heat energy absorbed when the temperature if 200.0g of water is raised from 10 degrees celcius to 40 degrees celcius.
how long will it take for the concentration of A to decrease from 1.0 M to 0.25 M? If [Bo] = 1.5 M, what will be the concentration once [A] = 0.25 M?
explain how do you compute the minimum volume of h2owater required to dissolve nacl sodium chloride of 500 grams in h2o
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