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For the list of chemicals below, write complete, balanced equations for all possible reactions that would lead to an insoluble salt.
KNO3NaClAgNO3PbCl2K2SO4HNO3
What would be your average speed in cm/s?(c) what would be your time (in minutes:seconds) for 1500m? show your work
A second sample of this acid weighing 3.00 grams is added to the tirated sample and the pH is 6.60. Calcualte the molar mass of the unknown acid and determine the value of Ka for this acid.
Calculate the zero-point energy of a harmonic oscillator consisting of a rigid CO molecule adsorbed to a metal surface by a bond of force
Given the following reaction, calculate the enthalpy, entropy and free energy changes for this reaction at 25 degrees C. Mg(s) + H2O(g) yeilds Mg(OH)2(s) + H2(g)
The initial temperature of the HCl and Ba(OH)2 solutions is the same at 20.48°C. For the process H+(aq) + OH-(aq) H2O(l), the heat of neutralization is -56.2 kJ/mol. What is the final temperature of the mixed solution?
What is the enthalpy of formation of CO(g) in kJ. 2CO(g) + O2(g) --> 2CO2(g). H reaction = -566 kJ ; ?H CO2(g) =-393.5 kJ/mol.
What is the pH at the point in a titration at which 20ml of 1.0M KOH has been added to 25ml of 1.0M HBr
If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.289 grams of iron and 21.0 mL of 0.433M copper(II) sulfate react to form as much product as possible.
Draw oxygen-binding curves for crocodile hemoglobin in the presence and absence of bicarbonate. Which conditions increase the p50 value for crocodile hemoglobin? What does this tell you about the oxygen-binding affinity of hemoglobin under those c..
How many mL of 0.380 M solution can be prepared by dissolving 4.00g of Ca(OH)2 in water?
What is the relative spread (in ppt) of the two values? (Note: ppt is part per thousand. Keep one decimal place in your answer.)
A zero-order reaction has a constant rate of 2.00×10-4 . If after 50.0 seconds the concentration has dropped to 6.00×10-2 , what was the initial concentration?
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