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Under appropriate experimental conditions, H2 and CO undergo a combination reaction to form CH3OH. The following drawing represents a sample of H2. Make a corresponding drawing of the CO needed to react completely with the H2. How did you arrive at the number of CO molecules in your drawing? [Section 3.2]
The Kf for the formation of Ag(NH3)2+(aq) is 1.7 x 10^7. Write the equilibrium equation that represents the formation of this complex ion.
Classify each of the pure substances D through G as elements or compounds, or indicate that no such classification is possible because of insufficient information
Below are the enzymes of glycolysis. Write them in the correct order and write out what reaction it carries out on which molecule.
Calculate the concentration of iodide (I-1) in a solution obtained by shaking 0.10M KI with an excess of AgCl(s).
The mass of the sample before heating was 3.327g and after heating the mass was 2.432g. What is the percent composition of sodium carbonate in the original mixture?
For the reaction PCl5 PCl3 + Cl2, Kc= 33.7. Calculate the reaction quotient Q to determine which direction the reaction will shift toward when 0.00650 M PCl5, 1.04 M PCl3 and 0.0500 M Cl2 are mixed together in a 1.0 L flask
Calculate the change in internal energy for a system if a gas cools and releases 10.86 kJ of heat and expanded from 2.35 L to 22.86 L at 3.50 atm
Why does ionic bonding almost always result in a solid rather than ion-pair molecules
What is the heat change of H 2 O If the final temperature of the mixture = 25 degree celsius?
What is the pH of a 0.30 M pyridine solution that has Kb=1.9x10^-9? the equation for the dissociation of pyridine is C5H5N5(aq)+H2O(l) >>> C5H5NH(aq)+OH-(aq).
You have two solutions of sodium chloride. One is a 2.00 M solution, the other is a 4.00 M solution. You have much more of the 4.00 M solution as well as you mix the solutions together. Which of the subsequent could be the concentration of the fin..
the density of benzene at 15 degrees C is 0.8787g/ml.calculate the mass of 0.1550L of benzene at this temp.
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