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What is the molarity of 0.0250 liters of a solution containing 7.50 grams of a compound whose molar mass is 152.8 g/mole?
aloh3 3hcl ---gt alcl3 3h2odetermine the moles of acid neutralized if a tablet contains 0.200 mol
its initial value in a first-order reaction, what is the rate constant for the reaction in the units min-1?
A sample of a gas weighs 2.006 g and has a volume of 1060.0 mL at 795.0 torr and 32.0 degrees Celsius. What is its molar mass?
Calculate the standard enthalphy change for the following reaction.
What is the wavelength of an electron traveling with a velocity of 7.0 times 10 to the 3rd power?
the first order rate constant for a reaction at 700 oc is 8.98e-03 s-1. if the activation energy for the reaction is
Write the chemical equation for the formation of HBr from H and Br atoms. Lone pairs do not need to be included. Using the table of bond energies determine the ?H for the above reaction. (KJ/Mol)
Which of the following compounds would have the lowest boiling point. a) CH4 b) HF C)K2O D) NO2 E) LiCl
Predict the precipitate that forms when aqueous solutions of silver nitrate and potassium chloride react to form products in a double-replacement reaction. Include a discussion of how to write the complete chemical equation describing this reactio..
Calculate the change in molar Gibbs free energy of tristearin when a deep-sea creature is brought to the surface (p = 1 atm) from a depth of 1.5 km. The density of sea water is 1.03 g/cm-3.
A sample of glucose, C6H12O6, contains 1.265 x 1021 carbon atoms. (a) How many atoms of hydrogen does it contain?
The Cd2 was displaced from EDTA by the addition of an excess of CN-. Titration of the newly freed EDTA required 23.4 mL of 0.0250 M Ca2 . What were the molarities of Cd2 and Mn2 in the original solution
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