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The half-reaction at an electrode is
Mg2+(molten) + 2e- ? Mg(s)
Calculate the number of grams of magnesium that can be produced by supplying 4.60 F to the electrode.
What factors can effect retention time. What factors might I change and how to increase the retention time of a polar compound
c3h8g 5o2g-gt 3co2g 4h2ol ho -2220 kjmolpropane is often used for gas grills and is typically purchased by filling a
What characteristic properties distinguish the transition elements from the Group IA and -IIA metals?
A very long pipe is capped at one end with a semipermeable membrane. How deep (in meters) must the pipe be immersed into the sea for fresh water to begin passing through the membrane? Assume the seawater to be at 20°C, and treat it as a 0.70 M NaC..
the active ingredient in toothpaste is sodium fluoride an anticavity agent. a 170 g tube of toothpaste lists the
How do you calculate enthalpy neutralization when you are given a situation where a coffee cup calorimeter, 50.0 ml of 1.00M NaOH and 50.0 ml
Calculate the maximum mass of pure ethanol that can be vaporized in 10 min from a beaker left in strong sunshine, assuming that the surface area of the ethanol to be 50 cm^2.
What mass of acrylonitrile can be prepared from 400.0 kg of propene, 100.0 kg of ammonia, and 650.0 kg of oxygen
Nitrogen and hydrogen combine at high temperature, in the presence of a catalyst, to produce ammonia. N2(g) + 3H2(g) --> 2NH3(g) Assume 0.170 mol of N2 and 0.543 mol of H2 are present Initially
Fifty mL of a monoprotic weak acid was titrated with 0.0470 M NaOH. About 14.26 mL of NaOH was required to reach the equivalence point. At the equivalence point, the pH was 10.0. What was the pH when only 9.70 mL of NaOH had been added
a s2- ion-selective electrode gave an electrodepotential of e -0.254 v when immersed in a 7.76 10-2 m standard k2s
Compute the hydroxide ion concentration in a NH 3 solution that is 0.091 M and 0.028 M NH 4 Cl. Kb of NH 3 is 1.8 x 10 -5 .
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