Determining value of work
What is the value of work (w) when a piston of volume 0.2 L expands against an external pressure of 200 kPa to a volume of 3.4 L?
Expected delivery within 24 Hours
Determine the lime and soda ash dose in mg/L as CaCO3 to soften the following water to a final hardness of less than 120mg/L as CaCO3.
what is the final temperature of A metal sample weighing 34.526 g was heated to 98.0 degrees Celcius then quickly transferred into a styrofoam cup calorimeter containing 74.365 g of distilled water at a temperature of 27.0 degrees celcius.
A first order reaction has k = 0.440 min-1 and the initial concentration of reactant is 0.840 M. What is the concentration of the reactant after 1.00 minute?
A solution of 62.4 g of insulin in enough water to make 1.000 L of solution has an osmotic pressure of 0.305 atm at 25°C. Based on these data, what is the molar mass of insulin?
What are some and/or similarities in the type of inhibition caused by heat, acid, or base, and heavy metal ions on enzyme activity?
Compare the pH values in the dilution experiment for each of the acids and bases used to the pH determined for distilled water. Do the pH values for the more dilute solutions approach the pH of the distilled water?
Butyric acid is responsible for the foul smell of rancid butter. The pKa of butyric acicd is 4.84. a) Calculate the pKb for the butyrate ion.
Using stirling's approximations and lagrange's method of undetermined multipliers. determine the expressions for the distribution of N particles.
Draw the chair form of rings A-C of cholesterol, and assign the hydrogens at the B/C ring-junction as equatorial or axial.
When 415 J of heat is added to the gas, it expands and does 106 J of work on the surroundings. What is the value of Delta H for this process? What is the value of Delta E for this process?
1924776
Questions Asked
3,689
Active Tutors
1413791
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Why is it important to build & promote positive peer interaction for social development as well as enhancing self-efficiency?
Problem: How to calculate food costing of chicken Schnitzel recipe?
Assignment task: Answering this question with five good sentences. Question: Why are you applying for a GA(Graduate Assistan ) position?
Discuss how Filipino culture impacts international businesses in the Philippines, and how international business should adapt.
Problem: Explain the purpose of the audit plan. When and how you would submit an audit plan to the auditee?
What is vertical integration, and under what conditions would a company seek to "vertically integrate" in order to enhance their competitive advantage
Problem: What can be an example/case study of offset trading in countertrade?