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Briefly draw a procedure you could use to determine the HC2H3O2 concentration in a vinegar sample. Explain what would be the pH at the equivalence on the titration?
[BrO- ]initial is 0.86 M. 65 seconds later [BrO- ] is 0.19 M. What is the rate of change of [BrO- ] in M/s? (The brackets, [ ], indicate concentration, that is, molarity (M) or moles/liter.)
The ball travels straight upward. In the absence of air resistance, to what maximum height above the ground does the ball rise
If O2 is collected over water at 40.0C and a total pressure of 751mmHg , what volume of gas will be collected for the complete reaction of 24.23g of NiO
How many moles of oxygen are needed to produce 6 mol of Fe2O3 in the following unbalanced equation: Fe + O3 --> Fe2O3
Describe the technique used to determine the density of approximately 5 gram samples of the following at 20 degrees C and 1 atmosphere pressure: A) Gasoline B) Granular Sugar C) A lump of gold D) Mercury
provide mechanism for trans-1-bromo-2-methylcyclohexane rxn under e1 conditions
Draw the structure of a compound with the following analytical data: a mw of 72 g/mol, no silver mirror in a Tollen's test, and a yellow precipiate formed in an iodoform test.
A beaker has a mass of 85.6 g when empty and 110 g when it contains 38.7 mL of pentane. What is the density of pentane
A tertiary alkyl halide reacts with a weak base and nucleophile. The reaction will proceed via which of the following mechanisms? A) SN1 B) SN2 C) E1 D) E2 E) SN1 and E1
What is the chemical equation for the reaction that represents breaking all the bonds in gaseous benzene
At 123?C, the pressure of a sample of nitrogen is 1.45 atm. What will the pressure be at 267?C, assuming constant volume?
What will be the final temperature of a 437-g sample of water, initially at 15C, after 52.2 kJ have been added to it
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