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What are the half-reactions for the following reference electrodes? Include physical states. 1) The silver-silver chloride electrode. 2)The saturated calomel electrode.
The system CO2(g) + H2(g) *) H2O(g) + CO(g) is at equilibrium at some temperature. At equilibrium a 4.00 L vessel contains 1.00 mole CO2, 1.00 mole H2, 2.40 moles H2O, and 2.40 moles CO.
Calculate the pH of a sodium cyanide solution that is 0.37M NaCN. The Ka for hydrocyanic acid HCN is 4.00E-10.
What molarity of aqueous aluminum sulfate solution can be expected to show the same conductivity
Acetylene, C2H2, will burn in the presence of oxygen. 2C2H2(g)+ 5O2(g) -> 4CO2(g)+ 2H2O(g) how many grams of water can be produced by the reaction of 2.40 mol of C2H2 with 7.4 mol of O2?
How many grams of N2 are required to react with 2.30 moles of Mg in the following process?
Home ice cream makers use ice to cool a concentrated NaCl solution below the normal freezing point of water. What molal concentration of salt is needed to lower the freezing point to -4.49 C?
A dog sits 1.07 m from the center of a merry go-round with an angular speed of 1.44 rad/s. If the magnitude of the force that maintains the dog's circular motion is 41.2 N.
4 moles of nitrogen gas is placed inside a piston and cylinder device. The piston has a mass of 50 kg and an area of 0.05 m2. 100 kg of weights are placed on the piston. After coming to equilibrium the piston is locked into place.
A list of compiled anhydrous masses for Na2CO3, CaSO4, and MgSO4 and I have to find the molar ratio of these anhydrous masses. The compiled list is from every section of chemistry, Different masses for different dates for each of the anhydrates
If 29.8 mL of 0.102 M acid with a Ka of 0.000015 is titrated with 0.107 M NaOH solution, what is the pH of the titration mixture at halfway to the equivalence point?
What is the maximum number of electrons that could be ejected from this metal by a burst of light (at some other frequency) with a total energy of 1.06× 10-7 J?
Consider the compounds water, ethylamine, acetone, and aniline, whose Kb values can be found here. Classify them by whether they can be appreciably (Keq>1) protonated by: pyridinium, CH3OH2 , both, or neither.
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