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From the concentration of the red dye and the total volume of the combined fractions, calculate the number of moles of red dye in your 5.0mL sample.
Total Volume: 65mLConcentration: 6.02 x 10-6 mol/dm-3
Is it true that Ksp is an equilibrium constant that can be used to express quantitatively the extent to which a compound dissolves
Calculate the maximum amount of thorium ion that could be present in a waste water, if it is made 0.1500 M in oxalate ion. Assume the oxalate is present in stoichiometric amount, compared to the thorium.
In the DNA double helix, adenine forms three hydrogen bonds with thymine D) In the DNA double helix, cytosine forms three hydrogen bonds with guanine
the Redlich-Kwong equation to calculate the value of the pressure of one mole of ethane at 400.0K confined to a volume of 83.26 cm^3. The experimental value is 400 bar.
What is the enthalpy for reaction 1 reversed. Reversed equation: CO2-->CO+(1/2)O2 Express answers in kJ per mole.
A 500 mg tablet of antacid (all 500mg is calcium carbonate) is put into 250 ml of 0.12M hydrochloric acid. What volume of gas is produced at STP and how many moles of excess H3O+ are left over
Molecular iodine, I2 (g), dissociates into iodine atoms at 625 K with a first-order rate constant of 0.271 s-1. If you start with 5.2x10^-2 M I2 at this temp.
given the following balanced chemical equation answer the following questions 3cacl2nbspaq 2
During the isomerization of trans-1,2-dibenzoylethylene C16H12O2 using 95% Ethanol C2H6O , and UV light irradiation. What is the overall equation for this reaction. What is the product.
Assume that the partition coefficient, K, for partitioning of compound A between diethyl ether and water is 3; that is, A preferentially partitions into ether.
If a gas system at 25oC has a pressure of 23.0 atm, what pressure will the system change to if the temperature rises to 35.0oC?
NaOH solution is needed to just neutralize excess acid after 20mL of 0.10 M HCl was added to 1 gof the antacid, how many moles of acid can the antacid counteract per gram?
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