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A 2.60-L vessel contained 0.0160 mol of phosphorus trichloride, 0.0115 mol of phosphorus pentachloride, and 0.0903 mol of chlorine at 180°C in an equilibrium mixture. Calculate the value of Kc for the following reaction. PCl3(g) + Cl2(g) PCl5(g)
After heating, the remaining solid weighed 0.427 g. Assuming all the CaCO3 broke down to CaO and CO2, calculate the mass percent of CaCO3 in the original mixture.
Acid strength decreases in the series HI > HSO4- > HF > HCN. Which of these anions is the weakest base
sodium carbonate na2co3 can be produced by heating sodium bicarbonate nahco3. a student heats 5.128 g sodium
Lead (II) nitrate and ammonium iodide react to form lead (II) iodide and ammonium nitrate according to the reaction. Pb (NO3)2 (aq) + 2NH4i (aq) --> Pbi2 (s) + 2NH4NO3(aq)
The balences in the lab can weigh a maximum of 220.000 g at once. if a beaker has a mass of 86.4329 g, what is the maximum volum of water
carbon disulfide cs2 is an important industrial substance. its fumes can burn explosively in air to form sulfur dioxide
What volume of pure oxygen gas (O2) measured at 546 K and 1.00 atm is formed by complete dissociation of 0.7 mol of Ag2O? 2 Ag2O(s) → 4 Ag(s) + O2(g)
For the reaction 2C6H6 + 15O2 → 3CO2 + 6H2O 30 grams of C6H6 are allowed to react with 79.09 grams of O2.
Why was potassium carbonate used in the distillation of 2-methyl-e-hexanol? Use the curved arrow notation to deaw a mechanism to show
What would be the synthesis for my chaclone synthesis if 3-nitrobenzaldehyde were to react with 4-bromoactylphenone
For 0.51 M HCN (Ka=6.2 x 10-10), mark the major species found in the solution. H+ , HCN , CN-, H2O , OH, Now calculate the pH of the 0.51 M HCN solution (Ka= 6.2 x 10-10).
Complete the equations that illustrate bicarbonate ion's capability to function as a buffer. a) HCO3^-1 + H+ --> ? b) HCO3^-1 + OH- -->
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