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The buret is filled with the NaOH titrant and the initial volume reading is immediately recorded without waiting the recommended 10-15 seconds. However, in part b-1, the 10-15 second time lapse does occur before the reading is made. Does this technique error result in an increase, a decrease, or have no effect on the reported perccent acetic acid in the vinegar?
There are 250g of Acetic Acid and 250g of Aluminum Hydroxide. What is the maximum amount of Aluminum Acetate that can be produced and which ingredient is the limiting reactant
a sample of hydrogen gas initially at 29C and 7.0 L iscooled until its final volume is 2.9 L. What is its final temperature
iron was heated to 275.1 c and placed into 272 g of water at 19.8 c the temperature of the water rose to 25.6 c.
The ph of 0.40 M HF(aq) is 1.93. Calculate the change in ph when 0.356 g of sodium fluoride is added to 50.0 ml of the solution .
Determine the exact molarity of NaOH (aq), when a sample of KHC8H404 dissolves in water and is titrated with 24.03 mL of NaOH(aq).
When a dilute solution of a weak base (Ka- 3.5*10^-9) is titrated with a 0.100 M solution of HCl at 25 C, the equilibrium constant for the titration reaction has this value:
two identical positive charges exert a repulsive force of 6.4x 10^-9 when seperated 3.2x10^- 10 m. calculate the charge of each
The determination of iron in industrial waste stream is often carried out by reacting the water sample with o-phenanthroline to form a red-orange complex that absorbs at 510 nm.
Initially, .500 atm of H2 and .500 atm I 2 are mixed in an evacuated 1.0 L flask. The system is allowed to come to equilibrium and it is found tocontain 0.318 atm HI. What is the equilibrium partial pressure of I2 for the reaction shown below?
How much heat is required to warm 221 g of ice from -46.1°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C
For each reaction between a ketone and an amine, draw the curved arrow(s) to show the first step of the mechanism, then draw the final organic product
How many moles of CO(NH2)2 are present in 145 g of water, if the freezing point of the solu- tion is -4.02?C? kf (water) = 1.86 K · kg/mol.
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