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Consider the titration of KHP with NaOH. State the reaction that governs this neutrilization. Explain what is the stoichiometry between the acid and the base? If .4728g KHP requires 22.86mL of NaOH to reach the phenolphthalein pink end point what is the molarity of the NaOH? Molar Mass of KHP is 204.22 g/mol.
-Define what is assumed to be equal at the end point that allows you to carry out this calculation?
Draw a structure showing four water molecules bonded to a central water molecule by means of hydrogen bonding. Explain why the pressure of the atmosphere decreases with increasing altitude
An aqueous CaCl2 solution has a vapor pressure of 83.0 mmHg at 50 degrees celsius . The vapor pressure of pure water at this temperature is 92.6 mmHg.
If the measured gas pressure in a collection flask during a gas-forming reaction was determined to be 1.44 atm, and the atmospheric pressure that day was measured as 0.95 atm.
For the gas-phase reaction shown below, choose the answer which indicates how the rate of change of H2O is related to the rate of change of C3H6.
In the reaction below, 2.41 atm each of H2 and Br2 were placed into a 1.00 L flask and allowed to react: H2(g) + Br2(g) 2 HBr(g) Given that Kc = 52.2, calculate the equilibrium pressure of H2.
Based on solubility, express reaction that would happen when Zinc Sulfate solution is mixed with Magnesium Chloride: ZnSO4 + MgCl2 (I think) -->
Describe how you will separate the following mixture of ions in solution. Include an explanation/rationale of the reagent used.
A half-cell containing which of the following metals would produce the greatest emf when it is coupled with a half-cell containing aluminum metal
In an ionic compound, the size of the ions affects the internuclear distance (the distance between the centers of adjacent ions), which affects lattice energy (a measure of the attractive force holding those ions together).
Draw the protonated species, clearly showing where protonation occurs. Draw all possible resonance structures of the conjugate acid of the product, and use these to explain why the product is so much more basic than a typical ester.
An emission line from K atoms is found to have two closely spaced components, one at 766.70 nm and the other at 770.11 nm. Account for this observation, and deduce what information you can.
What would be the expected effect on yield if only one mole of diethylamine per mole of alpha-chloro
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