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A and B are two species which react in the presence of an acid catalyst. Would you expect the catalyst to appear in the rate law?
How much heat is required to warm 229 g of ice from -44.7°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
The mass of O (oxygen) in this sample can be obtained by the difference of the sample masses and the total calculated masses of H and C
a student determined the mass of a product, KCl to be 12 g. Calculate the number of particles produced.
On the basis of what you have learned about the intermolecular forces, predict which liquid has the highest boiling point? Lowest surface tension?
If the density of N2 gas in a rigid flask is 0.243 g/L at 18 °C, what is the pressure of nitrogen in the flask if it is heated to 36 °C
As a solid, Ag adopts a face-centered cubic unit cell. How many unit cells are present per cubic centimeter of Ag
Cerium is often used as a reducing agent. Although it is expensive, it has a high stabile and constant value of E^ o over a PH range from 0 to 7.
Gold miners then react the basic aqueous product solution from the above equation with Zn dust to get gold metal. Write a balanced redox reaction for this process.
Celsius is allowed to expand into an evacuated vessel of 2.50 L volume. Does the gas do work? Explain
Limestone, CaCo3, when subjected to a temperature of 900 degrees Celsius in a kiln, decomposes to calcium oxide and carbon dioxide. How much heat is evolved or absorbed when one gram of limestone decomposes?
Based on your knowledge of the mechanism involved in the nitration of methyl benzoate, what role(s) would you expect sulfuric acid to play in the nitration of benzaldehyde?
Draw graphs representing Boyle's law, Charles's law, and Gay-Lussac's law for a fixed amount of gas. Make sure that you label each axis and state the assumptions for each law-that is, the variable(s) that is (are) held constant for each law.
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