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An electrochemical cell has an Eocell of 2.00 V and transfers 1 mole of electrons. The Faraday constant is 96,485 C/mol e-. What is the value of delta G?
For the reaction A --> B, the activation energy is Ea = 125 kJ/mol and the heat of reaction, H = 50 kJ/mol. What is Ea for the reverse reaction in kJ/mol?
Assuming that the deformation is completely elastic, compute the amount of stress that is put on the nickel 200 alloy. Use values of Yield Stress, Ultimate Tensile Strength, Coefficient of Thermal Expansion and E for nickel 200 alloy.
When the lone pair of electrons in SF4 is placed at the equatorial position, which of the following is true. The molecular geometry is trigonal bipyramidal.
How many moles of BCl3 are needed to produce 25.0 g of HCl(aq) in the following reaction?
A multivitamin tablet contains 40 milligrams of potassium. How many moles of potassium does each tablet contain?
The activation energy of a certain reaction is 65.2 kj/molHow many times faster will the reaction occur at 51 degrees C than at 0
The figure-8 bond orbitals around the carbon and oxygen atoms actually extend to infinity but do have two overlapping areas. C)This bond is the result of the interaction of an unpaired carbon electron in the 2s orbital and an unpaired oxygen elect..
Compute the partial pressure of N2 at the surface of theH 2 O in mmHg. The Henry's law constant for nitrogen gas =1.3x 10^-3 mol/L x atm? at 25 degrees Celsius
Construct the appropriate calibration curve as described in this lab and determine the %(W/W) of fluoride in the original toothpaste sample:
What you observed upon the addition of NH3(aq) to magnesium chloride solution / what species are present in the test tube?and what happened when we add NH4Cl?
If the electron affinity for an element is a negative number does it mean that the anion of the element is more stable than the neutral atom. Explain
If it takes 526 J of energy to warm 7.40 grams of water by 17 degrees Celsius, how much energy would be needed to warm 7.40 grams of water by 55 degrees Celsius?
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