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?
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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?
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Discuss how Filipino culture impacts international businesses in the Philippines, and how international business should adapt.
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