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What is an example of a cell diagram for a voltaic cell? How do I calculate the standard cell potential for the example of the voltaic cell?
A beaker contains 250 mL of an aqueous solution that has .025 moles of formic acid (HCOOH) and .025 moles of sodium formate (HCOONa)
at 25.0degc a sample of xe gas occupies 531 ml in a piston-cylider apparatus when the external pressure is 337 torr. at
the rate law for the decomposition of n2o5 is rate kn2o5. if k 1.0 x 10-5exp s-1 what is the reaction rate when the
What is electronegativity? How is electronegativity measured? How can electronegativity be used to explan the nature of a chemical bond?
The 20 mL of water added to the Erlenmeyer flask is to be previously boiled, deionized water. Since water does absorb CO2 from the atmosphere and since CO2 dissolved in water causes it to be slightly acidic,
what is the ph of a Solution prepared by mixing 163.0 ml of 2.4×10?3 MHCl and 382.0 ml of 1.4×10?3 HClO4 (Assume that volumes are additive.)
Calculate the vapor pressure of water above a solution prepared by adding 24.5g of lactose (C12H22O11) to 200.0 g of water at 338 K. (Vapor-pressure of water at 338 K 187.5 torr
which solution would show the greatest change in pH upon the addition of 15.0 mL of 1.0 M HCl to 1.0 L of each of the following solutions
What ions and/or molecules are present in relatively large proportions in a solution of a strong acid HNO3 (aq)
A mixture of N2 and O2 gases are in a 2.0L container at 23 degrees C and at a total pressure of 1.00 atm.
a scientist measures the standard enthalpy change for the following reaction to be -889.4 kj 2nh3g 3 n2og 4n2g 3
a 250ml solution of NaOH has 20g of solute. what is the concentration in moles per litre? what is the concentration of each ion?
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