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Write a balanced equation and an expression for Ksp for the dissolution of the given ionic compound. (Include states-of-matter under the given conditions in your answer.) CaCO3 balanced equation: solubility expression:
The following gas phase reaction is second order. 2C2H4(g)--->C4H8(g) Its half life is 1.51 min when [C2H4] is 0.250 M. a.What is k for the reaction?
Assuming no heat loss to surrounding, write down the energy balance equation for the system and find out change in internal energy and final temperature.
Diffussion controlled electrolysis proceeds on (a) planar and (b) spherical electrode under the conditions: n = 1, C = 1 mM, A= 0.04 cm^2, D = 1.5x10^-5 cm^2/s.
A titration was performed between 25 mL of 0.100 M NH3 and 0.100 M HCl. Calculate the pH of NH3 solution at the following points during the titration.
Explain why it is important to use crucible tongs when you transfer the heated crucible
The following compounds are dissolved in 1.00 L of water: 0.180 mol HA (Ka = 1.36 x 10-3), 0.020 mol NaA, 0.08 mol HNO3, and 0.08 mol Ca(OH)2 (strong base). What is the pH of the resulting solution
Draw the products that correspond to syn addiction of Br2 to trans cinnamic acid and those that correspond to anti addition.
What causes the colors of fireworks. Where do the colors come from? How do we get so many different colors. Give at least onr example of a compound responsible for such characteristic color.
Calculate so for cooling 1.00 mol of Ne from 298K to 253K under constant volume conditions using the Sakur-Tetrode equation
Reactions in which a substance decomposes by losing CO. calculate the minimum temperature at which the process would become spontaneous assumming delta H
If 95.0 mg of fluorine-18 is shipped at 8:00 a.m., how many milligrams of the radioisotope are still active if the sample arrives at the radiology laboratory at 1:30 p.m.
Gold has cubic crystals whose unit cell has an edge length of 407.9 pm. The density of the metal is 19.3 g/cm3. Calculate the number of gold atoms in a unit cell. What type of cubi lattice does gold have
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