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At high temperatures phosgene (COCl2) decomposes to give carbon monoxide CO and Cl2. In a typical experiment, 0.631 g of COCl2 is injected into a flask of volume 472 cc. When equilibrium is established, it is found that the total pressure is 2.175 atm. Calculate K for the reaction.
Consider the titration reaction of hydrochloric acid and sodium hydroxide. If 4 mL of a 10M solution of sodium hydroxide is tritrated with a 5 M solution of HCl, determine how many milliliters of HCl is required for complete neutralization.
What is the technique or test for the identification of the formation of alkenes and what mechanism occurs in the test
question to isolate caffeine from tea dora forgot to evaporate methylene chloride 15 ml before adding the acetone and
gaseous hydrocarbon required 50 mL of oxygen for complete combustion. If 30 mL of CO2 gas were evolved, what is the molecular formula of the hydrocarbon?
When 1.0 g of NaOH is dissolved in this same calorimeter the temperature raises by 1.6 C. Calculate the calorimeter constant and enthalpy for one mole of NaOH.
What is the age of a rock whose 40Ar /40Kratio is 1.25? The half-life of 40 K is 1.28 times 10^9years Formulas ln(N)t/(N)o =-k+ + 1/2 =0.693 /k
Sulfuric acid (H2SO4) adds to the double bond of alkenes as H+ and -OSO3H. Predict the products when sulfuric acid reacts with the following alkenes.
Acetylene gas (C2H2) used in welding, produces an extremely hot ?ame when it burns in pure oxygen according to the reaction 2 C2H2(g)+5 O2(g) -→ 4 CO2(g)+2 H2O(g)
If a solution is made by mixing 20.0 mL 0.4 M NaCH3COO with 30 mL 0.4 M CH3COOH, calculate the pH of the solution? For acetic acid, K = 1.76 x 10-5
find the wt percent of C and H. find the smallest integer ration of C:H in the compound
If your methanol was wet (contained water), what compound would be formed and isolated along with trityl methy ether. Explain and what effect would that have on the melting point of the product
D Radical-chain polymerization of CH2=CHOCOCH3, followed by base-catalyzed hydrolysis.
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