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Electrochemical cells find analytical applications. What two aspects of an electrode reaction are used qualitatively and quantitatively?
A compound is 80.0% carbon and 20.0% hydrogen by mass. assume a 100 gram sample of this compound. How many moles of each element are in this sample
Pure HClO4 is molecular. In water it is a strong acid. Write an equation for its ionization in water. Use minimal integer numbers to balance the reaction. Include physical states in your answer, e.g., start with HClO4(l).
The engine stops working when the temperature of the hot reservoir has been lowered to TC. Show that the amount of work done by the engine is W = C1(TH-TC) - C1TC ln (TH/TC).
The rate constant for a particular second-order reaction is 0.47 M-1 s-1. If the initial concentration of reactant is 0.25 mol/L, it takes _____ s for the concentration to decrease to 0.13 mol/L.
Calculate the volume of a 0.200 M NaOH solution needed to neutralize 40.0 mL of 0.600 M HNO3 solution.
What is the volume of the container needed to store 0.8 moles of argon gas at 5.3 atm and 227°C.
Iron (III) oxide reacts with carbon monoxide to form elemental iron and carbon dioxide. How many grams of CO are required to react with 2.78 grams of Fe2O3?
How many joules are released when 6.94 moles of water cools from 100.0 degrees Celsius to 0.0 degrees Celsius?
Calculate the pH of the solution obtained by dissolving 0.2 moles of glycine and 0.1 mole NaOH in a liter of water.
The biggest problem I'm running into is how to complete the ICE chart for the columns Change and Revised Equilibrium. I don't know where those numbers come from.
Applying energy to dry ice causes the molecules to phase change straight from a solid to a gas, sublimation. When gas particles hit the walls of a container, they exert pressure. As we apply energy to dry ice, the gas molecules move faster which..
All hydrogen sulfide (H2S) contained in 4.00 g of crude oil is removed by distillation and collected in a CdCl2 solution. The precipitate of CdS is then filtered, washed and converted into CdSO4 by calcination.
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