What is the enthalpy of solution delta hs of licl expressed
A 4.50 gram sample of LiCl at 25.0 dissolves in 25.o ml of water also at 25.0 Celsius. the final equilibrium temperature of the resulting solution is 60.8 Celsius. What is the enthalpy of solution, delta Hs of LiCl expressed in kilojoules per mole?
Expected delivery within 24 Hours
You are asked to go into the lab and prepare an acetic acid-sodium acetate buffer solution with a pH of 4.40 ± 0.02. What molar ratio of CH3COONa (conjugate base) to CH3COOH (weak acid) should be used?
1 atm to produce carbon dioxide and water(liquid). If the reaction produces 520KJ of heat, what is the mass percentage of methane in mixture?
"Aqueous solutions of iron(III) chloride and sodium hydroxide are mixed together to form a combined solution that is 0.015 M FeCl3 and 0.010 M NaOH.
If the solubility of a gas is 7.5 g/L at 404 kPa pressure, what is the solubility of the gas when the pressure is 202 kPa?
A 4.50 gram sample of LiCl at 25.0 dissolves in 25.o ml of water also at 25.0 Celsius. the final equilibrium temperature of the resulting solution is 60.8 Celsius.
The heat of solution of lithium carbonate is 3.06kJ/mol solute in 200 moles of H2O. What effect would you expect increased temperature to have on the concentration of Li2CO3 in its saturated solution? Explain.
Estimate the activation energy of the reaction that causes the souring of milk. How long should it take milk to sour at 45 degrees Celcius.
The element lithium consists of two naturally occurring isotopes with relative abundances of 7.42% and 92.58%. The atomic mass of one of these isotopes is 6.0135.
If we have a solution that contains 0.022 M Calcium and 0.014 Magnesium and we have to use potassium hydroxide to selectively precipitate one of the ions, while leaving the other ion in the solution.
1934256
Questions Asked
3,689
Active Tutors
1427428
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Recommendations in the Chronic Pain Guidelines include all of the following EXCEPT: (a) All patients with a previous opioid prescription should
Briefly introduce the clinical quality measure (patient satisfaction) and provide an explanation and reference for the importance and impact of the measure
A 37-year-old male attends an appointment with his primary care provider. The patient has a history of early-onset atherosclerotic cardiovascular disease
After a hotel building set on fire, which clients should be the first to be transported immediately to a burn center for treatment?
Which of the following is an example of ethical behavior? Dr. Williams charges his wealthier patients higher fees,
Question: A 57-year-old man presents to the emergency department (ED) with a 1-month history of worsening low back pain.
Rewrite an overview of this health condition: Heart disease is the leading cause of death in the United States, and stroke is the fifth leading cause.