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When most Fe^3+ salts are dissolved in dilute nitric acid, the solution is often yellow to orange-yellow in color. Why could you not visually detect these colors in Fe(NO3)3 stock solution
Draw a Lewis Structure for C3O2. Draw a Lewis Structure for C2H3NO5
A gas occupying a volume of 246 mL at a pressure of 0.970 atm is allowed to expand at constant temperature until its pressure reaches 0.541 atm.
What products would you expect to obtain in the reaction of acetaldehyde with KOH? why are the products different than those obtained from the Cannizzaro reaction?
A cell measured by a student was found to be -0.461V against a Ag/AgCl reference electrode (0.222V). What is the potential when measured against SCE and NHE
At a constant pressure of 0.905 atm, a chemical reaction takes place in a cylindrical container with a movable piston having a diameter of 40.0 cm. During the reaction, the height of the piston drop is by 65.0 cm. (The volume of a cylinder is V ..
How many grams of glucose are in 100. rm mL of the final solution?
A metal-plating waste contains 20mg/L Cu2+, and it is desired to add Ca(OH)2 to precipitate all but 0.5mg/L of the copper. To what concentration in moles per liter must the hydroxide concentration be raised to accomplish this? Ans: 1.6*10^-7 mol/L
If you start with 2 cubes of ice, each with a mass of 25.0g and at a temperature of -10C, and 25.0ml of water with a temperature of 100C, what will the final temperature of the mixture be
Phosphoric acid, H3PO4, is a triprotic acid, for which Ka1=7.2 x 10-3, Ka2 = 6.3 x 10-8 and Ka3 = 4.2x 10-13. What is the value of Kb for hydrogen phosphate anion, HPO4 2-?
excess amount of a generic metal hydroxide M(OH)2, is mixed with pure water. The resulting equilibrium solution has a pH of 10.28. What is the Ksp of the salt at 22 °C?
15.00 g of solid ammonium hydrogen sulfide is introduced into a 500.-mL flask at 25°C, the flask is sealed, and the system is allowed to reach equilibrium. What is the partial pressure of ammonia in this flask if Kp = 0.108 at 25°C for
3H2 + N2 -> 2NH3. At 200 degrees C in a closed container, 1.00atm of nitrogen gas is mixed with 2.00atm of hydrogen gas. At equilibrium, the total partial pressure is 2.00atm.
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