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Na2CO3 is dissolved in approximately 25 mL of distilled water. How many grams of Na2CO3 are required to react with approximately 25 mL of 0.1 M HCl
The volume of a 24.0-g sample of methane gas is 22.8 L at 40.0°C and 4.00 atm. What will its volume be at 68.0°C and 4.00 atm.
Supppose that a 2 L solution is made from 178 mg of citric acid (C6H8O7). What is the molar mass of C6H8O7
What is the approximate value of the equilibrium constant, Kn, for the neutralization of hydrochloric acid with sodium hydroxide, shown in the equation below? HCL(aq) + NaOH(aq) --> H2O (l) + NaCl (aq)
A lab rat weighs 265g and absorbs 1.68x10^10 beta decay particles, each with ernegy of 2.20x10^-13 J. If relative biological effectiness is 0.75, what is the equivalent dose?
Show the amounts in NIKE's accounting equation by calculating thevalue of NIKE's total assets, total liabilities and total shareholder's equity
For our experiment we put 5 mL of red Kool-Aid in an empty 25 mL volumetric flask, we then slowly added water until it reached the 25 mL mark in the flask and recorded our observations. Obviously the red Kool-Aid was diluted by the water making it..
Find the vapor pressure of a solution that contains 218 g glucose in 460.0 mL of water at 30 degrees Celcius.
In a gas mixture, the partial pressures are nitrogen 420 torr , oxygen 125 torr , and helium 245 torr. What is the total pressure (torr) exerted by the gas mixture?
In a lab you need 1.0M, 0.1M, and 0.05M Cu2+. How could you make 50.0mL of each of these three solutions with only 10.0g of Cu(NO3)2 available
There are two key concepts to keep in mind throughout the exercises: 1) What is the unit cell for each structure? 2) What are the coordination environments of the atoms involved?
Suppose the pH of the water is 4.67 and that the concentration of iron(II) in the water is 5.17x 10-5 M, what is the potential of the corrosion reaction under the above conditions at 298 K?
starting with 1-pentanoic acid and using any other required reagents outline a synthesis for 1-penten-2-ol
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