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If hydrogen were used as a fuel, it could be burned according to the following reaction: Use average bond energies to calculate for this reaction
The voltage generated by the zinc concentration cell described by, Zn(s)|Zn2 (aq, 0.100 M)||Zn2 (aq, ? M)|Zn(s) is 28.0 mV at 25 °C. Calculate the concentration of the Zn2
What is the mass of platinum required to solidify all the gold? What is the change in entropy of the system? Cp(Pt, s) = 25.86J/mol*K ?H?fus(Au, s l) = 12550J/mol
Dehydrohalogenation of (2R, 3R)-2-bromo-3-methylpentane by a bimolecular reaction produces only (E)-3-methyl-2-pentene and 3-methyl-1-pentene as products. Provide a mechanistic explanation as to why (Z)-3-methyl-2-pentene is not formed.
Upon reaction with excess sulfamic acid, HSO3NH2, a 0.121g sample of a mixture of sodium nitrite, NaNO2, and sodium chloride, NaCl, produced 28.3 mL of nitrogen gas collected over water at 25.3 degrees Celsius and at a barometric pressure of 738 m..
What is the freezing point of a solution of 8.69 grams of the electrolyte sodium acetate NaCH3COO dissolved in 15 grams of water?
For the following reaction KClO3---->KCl+1/2 O2 assign oxidation states to each element on each side of the equation. reactants and products. Which element is oxidized? Which element is reduced
when power was turned off to a 30.0 gal. water heater the temperature of the water dropped from 75.0degc to 22.5degc.
which of the following statements about writing molecular complete and net ionic equations is false a net ionic
A 2.00-g sample of white solid was vaporized in a 345-mL vessel. If the vapor has a pressure of 985 mmHg at 158°C, what is the molecular mass of the solid?
A reaction rate has a constant of 1.28/mol*s at 433 degress C and 24.0/mol*s at 533 degrees C. Determine the activation energy for this reaction.
The best Lewis structure for sulfuric acid has zero formal charges, sulfur as the central atom, and no bonds between S and H. How many single and double bonds, respectively, are there in this Lewis structure
How many grams of NaH2PO4 are needed to react with 43.74 mL of 0.285 M NaOH by the following reaction- NaH2PO4(s) + 2 NaOH(aq) --> Na3PO4(aq) + 2 H2O(l)
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