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Problem- Arrange Cu, Ag, Pb, Zn, and Mg in order of their activities, listing the most active first. Explain how you determined this order.
Please write answer for each section to receive points
energy in amount of 433 j is added to a 80 g sample of water at temperature of 27 degrees celsius. what will be the
What mass of aluminum metal can be produced per hour in the electrolysis of a molten aluminum salt by a current of 30 A
What is the general relationship for the number of radial nodes in terms of n and l
What is the IUPAC name of the most minor product formed when 3-methyl-2-hexanol undergoes elimination with sulfuric acid
Calculate the pH of 0.3 M piperazine. Calculate the concentration of each form of piperazine in the solution
Problem- Calculate the mass of propylene glycol (C3H8O2) that must be added to 0.340 kg of water to reduce the vapor pressure by 2.88 torr at 40 °C.
Dinitrogen pentoxide, N2O5, decomposes by first-order process with a rate constant of 3.7 x 10-5 s-1 at 298K. What is the half-life in hours for the decomposition of N2O5 at 298 K
A certain reaction has a ?H of -213 KJ/mol and a ?S of -27.0 J/mol.K at 625°C. Determine the free energy change in the reaction and whether the reaction is spontaneous under these conditions.
What is the typical range of Ka and Kb values for weak acids and bases. Which value represents the weakest and which the largest. What would be the pH of solutions 0.1 M in the acid or base at the extremes of the range.
Change in internal energy E, At 25'C, enthalpy change H for the combustion of liquid octane, C8H8(l), to form CO2(g) and H2O(l) is -5471kJmol-1
2-chlorobutane reacts much more slowly than 2-chloro-2-methylpropane in the silver nitrate test. Explain this difference in reactivity
Write a resonance form for pyrrole with the nitrogen having a +1 formal charge. Be sure to include all lone pairs.
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