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Write the expression for the equilibrium constant Kc for the following thermal decomposition reaction. Be sure to enclose each concentration term in brackets (eg. [X]^3 and correctly specify the thermal formulas.
C6H5COOH(aq) <----------> C6H5COO-(aq) + H+ (aq)
Calculate the pH of this solution. 2. Calculate the pH after 0.10 mol of HCl has been added to the original solution. Assume no volume change on addition of HCl. 3. Calculate the pH after 0.20 mol of NaOH has been added to the original buffer solu..
skiers and group engaged in outdoor activities in a frosty climate can access portable hot packs. mixture of powdered
acidifying with dilute H2SO4 and titrating with a 0.01804 M KMnO4 solution. 33.15 mL of the permangate solution was needed to reach the end point of the titration. What is the actual molar concentration of the H2O2 solution?
elemental exonium not a real element con- sists of two major isotopes abundance mass 5598 amu 45114 amu what is the
The solid KIO3 is diluted shy of the 100mL mark in the volumetric flask. does this technique error result in a reported molar concentration of KIO3 that is too high or too low
Find the partial pressure of each produce and the total pressure in the flask at the end of the reaction.
Calculate K for the reaction between one mole of dinitrogen oxide gas and oxygen gas to give dinitrogen tetroxide gas
A (n) 8.54 - mol sample of carbon monoxide was stored in a 30.0-l container at 49.9 c . What is the pressure of the carbon monixide in the container.
Tartaric Acid is a diprotic acid with ka1=1.0*10^-3 and ka^2=4.6*10^-5. Calculate the concentration of tartarate ion, C4H4O62-, present in 0.015 M aqueous H2C4H4O6 soultion
Which of the seven cations will be the hardest to detect (same anions as above), Why do you think this? If two or more are possible explain why.
When 0.234 g of the hydrate Cr2(SO4)3•xH2O is heated, 0.128 grams of anhydrous Cr2(SO4)3 remains. What is the value of x in the formula for the hydrate
Order the following elements according to decreasing electronegativity: C, Ca, Cs, Cl, Cu.
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