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Using the Dry Cell or Leclanche cell Diagram. Please write the half reactions (reactions at Anode and Cathode) and net redox reaction and explain the diagram
determine what mass of h2 is formed when 35.6 grams of zinc metal is combined to an excess of dilute hcl?3 nog n2og
What will be the theoretcal yield of tungsten(s) ,W, if 45.0 g of WO3 combines as completely as possible with 1.50 g of H2? WO3(s) + 3H2(g) => W(s) + 3 H2O(g)
Write the structure of the carbocation formed by the protonation of C-2 or C-3 to verify that it is not allylic and therefore not as stable as the one formed by the protonation of C-1 or C-4.
After adding the CaCl2 the solution turned the water " hard". What effect did this have on the lathering ability od the soap? On the lathering abilitiy of detergent?
Small helium-neon lasers emit 1.51 mJ/s of light at 634 nm. How many photons does such a laser emit in one minute?
A 11.0-L helium tank is pressurized to 26.0 atm. When connected to this tank, a balloon will inflate because the pressure inside the tank is greater than the atmospheric pressure pushing on the outside of the balloon.
A gas undergoes a process that leads to a change in internal energy of 4.5 J, while simultaneously work in the amount of 17.6 J is performed by the gas at constant pressure. Calculate the change in enthalpy of this process.
the active ingredient in toothpaste is sodium fluoride an anticavity agent. a 170 g tube of toothpaste lists the
determine the net change of oxidation number of each of the elements in the redox equations.
Draw the product formed by the reaction of potassium t-butoxide with (1S,2S)-1-bromo-2-methyl-1-phenylbutane
20.00mL of radiator liquid, ethylene glycol has a mass of 20.85 g. What is the density of the liquid?
A red laser pointer emits light with a wavelength of 660. What is the frequency of this light? 2.What is the energy of one of these photons?
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