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A 20.00 ml sample of 0.200 M HBr solution is titrated with 0.200 M NaOH solution. Calculate the pH of the solution after the following volume of base has been added: 20.1 ml.
a gasoline additive used to boost octane ratings, delta H f has = -313.6 kJ/mol. C5H12O (l) + 15/2 O2 (g) ---> 5Co2 (g) + 6 H2O (l) Calculate its standard heat of combustion in kilojoules.
a hungry engineering student reaches for a favorite granola bar while working on a statics assignment if the granola bar contains 240 "calories"
Before running your reaction, you determined that the mixture amount of product you could obtain was 3.74 g. However, after completeing your reaction the mass of product obtained was only 2.486 g. What mass is your theoretical yeild. What is your ..
A body consists of a right circular cone whose base is 12 in. and whose altitude is 16 in. A hole 8 in. in diameter and 4 in. deep has been drilled from the base. The axis of the hole coincides with the axis of the cone. Locate the centroid of the..
The professor wants us to do the following: Outline all steps in the possible synthesis of each of the following compounds from benzene and / or toluene
In solution in 6EB in Atkins 9th edition is not clear to me. The equation for the location of partile in the box is different from the one that is in the book.
What would you expect to see in a reaction between salicyclic acid and ferric chloride. I would also like to know why.
A 0.204 g sample of a CO3^2- antacid is dissolved with 25.0 mL of a 0.0981 M HCl. The hydrochloric acid that is not neutralized by the antacid is titrated to a bromophenol blue endpoint with 5.83mL of 0.104 M NaOH. a) Calculate the number of moles..
Why isn't HBrO a stronger acid than HBr. Doesn't the acid strength increase with the amount of oxygens.
Identify all the possible macrostate and the corresponding microstates in a system consisting of two communicating containers and four atoms
Liquid pentane (C5H12) has a density of 0.6262 g/mL at 20°C. Find the true mass (mtrue) of pentane when the mass weighed in air is 12.580 g. Assume the air density is 0.0012 g/mL and the balance weight density is 8.4 g/mL.
Discribe how to prepare this solutions show all work and calcualtion? a) 50mL of asolution containing 0.15M malonic acid [CH2(COOH)2 plus 0.02 manganese sulfate [ MnSO4] b) 100 mL of 0.08M sulfuric acid [H2SO4] from 18 M concnentrated sulfuric aci..
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