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Explain why either greatly decreasing or increasing the percentage of oxygen in the atmosphere is dangerous.
Find the appropiate equilibrium constant (Kp) for the reaction below under the following conditions.
For the Ca2+ and F- ions, write the mathematical relations defining activity of each ion in terms of its concentration and activity coefficient. e) Based on your answers above, derive a relationship for Ksp' in terms of Kspo and activity coefficie..
Question- Write down a recipe for the preparation of 2500ml buffer solution required for a biological research to have the PH 10.40.
At 1000K, the equilibrium constant Kc for the reaction is 3.80x10-5. Suppose you start with 0.0356 of I2 in a 2.30 L flask at 1000K. What is the concentration of the atomic gas at equilibrium
the following is a redox reaction that occurs in an alkaline batteryzn oh- ----gt znoh21. assign oxidation numbers to
What is the pH of the solution when 58.03 mL of the 1.309 M NaOH are added to the 0.521 M propanoic acid solution. What is the pH of the solution at the equivalence point
How many grams of sodium formate, NaCHO2, would have to be dissolved in 1.4 L of 0.42 M formic acid (pKa 3.74) to make the solution a buffer for pH 3.64
Question- it requires 419 kj/mol to ionize potassium atoms from a 0 to a +1 oxidation state. What is the value of n for the electron being removed in this process. Calculate Z for potassium atoms
Many household cleaning products contain oxalic acid, H2C2O4, a diprotic acid with the following dissociation constants
1.00g each of NaCl,CaCl2,C6H12O6 dissolved in 100.0g water. What is the vapor pressure of the solution at 100C. What is the freezing point and boiling point
a 1.5282g antacid tablet contains 550. mg caco3. how many grams of the tablet should be used to provide 75.0 mg of
A stock solution is 2.567 M in NaBr. A dilution is made by diluting 25.00mLs of the stock solution to a new volume of 1.500 liters. Explain how many grams of NaBr are present in the diluted solution
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