Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
What is the molar mass of the acid? If the unknown acid had the formula H2X, could this experiment be used to determine its molar mass? Explain why or why not
Calculate the mass percent of propionic acid (HC3H5O2) in solution.
You need to use 0.050 moles of F- ions for an experiment. How many milliliters of a 2.6 M solution of SrF2 solution do you need in order to obtain 0.050 moles of F- ions
A 0.481 gram sample of an unknown acid (HX) required 28.95 mL of 0.2013 M NaOH for neutralization to a phenolphthalein endpoint. What is the molar mass of the acid
In acid based titration, 33.65mL of an 0.148 M M HCL solution were required to neutralize 25.00 mL of a NaOH solution . What is the molarity of the NaOH solution
If 15.0 mL of 4.5 M NaoH are diluted with water to a volume of 500.0 mL, what is the molarity of the resulting solution? Please include explanation, balanced equation, and calculations.
why is the experimental mole ratio of Cu/O not exactly a whoe number. Think of what may have happened to the copper during the drying period, and what effect this would have on the calculated values
What do you think the small piece of filter paper accomplishes when placed on the copper Cu
What gas do you think forms when you add sulfuric acid to the solide mixture and solution. show with an equation
Benzoic acid precipitated when the aqueous solution of sodium benzoate in beaker A was acidified. If benzoic acid failed to precipitate after acidification, how would you recover benzoic acid from b
Write a balanced equation for the acid-base reaction between benzoic acid and KOH. Using a pKa table, predict which way the equilibrium is favored.
Write a balanced equation for the acid-base reaction between m-nitroaniline and HCl. Using a pKa table, predict which way the equilibrium is favored.
One of the reactions (FeCl3 or NaOH) is present in a stoichiometric excess. What is the molar concentration of the excess reaction remaining in solution after Fe(OH)3 has been precipitated
What is the molar composition of the vapor in equilibrium with a boiling liquid that has a composition of 60% A and 40% B
how to choose a solvent that can be used to recrystallize a product that is less soluble than the reactant
A sample of vapor has the composition 50% A and 50% B. What is the composition of the boiling liquid that produced this vapor
Just completed the conversion of maleic acid to fumaric acid in the lab using Conc. hcl, heat and recrystallization. question: if the solubilities of the reactant and product were reversed( ie., if
What are the relative percentage of HCN and cyanide ion in a dilute aqueous solution at pH+9.2/ At pH=10.2
What is the balanced equation for the complete combustion of 2,2,4-trimethylpentane? Show how butane can be converted to 2,2,4-trimethylpentane using petroleum refining processes
If the initial pressure of a system was 1.00 atm and the volume was halved and the temperature was tripled, what is the final pressure? A) 2.00 atm B) 0.667 atm C) 1.50 atm D) 6.00 atm E) not enough
If the volume of a gas container at 32.0 °C changes from 1.55 L to 755 mL, what will the final temperature be. A) 149 °C B) 353 °C C) -273 °C D) -124 °C E) none of the above
Which of the following is NOT part of the Kinetic Molecular Theory? A) Gas particles do not repel each other. B) There is a large distance between gas particles as compared to their relative size.
what is the final temperature of 100 g of water, initially at 20 Celsius , to which 1000 calories (cal) are added
At 25C what is the hydronium ion concentration of (a) 0.1 M chloroacetic acid Ka=1.36 X10-3 (b) 0.1 M sodium chloroacetate
Write the KSp expressions for each hydroxide Calculate the solubility for each compound in aqueous solutions, arrange them from the smallest to the largest.