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For the setup in the above question, what is the value of Q, the reaction quotient, for this cell reaction at 25oC? 2Cr(s) + 3Br2(aq) --> 6Br-(aq) + 2Cr3+(aq)
My gas tank in my car has a total volume of 68 L. The manual says the gas gauge light will come on when there are only 5 L remaining in the tank and that the car will not be able to draw on the last 2 L in the tank.
A certain reaction has an activation energy of 61.0 kJ/mol and a frequency factor of A1 = 2.00×10^12M^-1s^-1. What is the rate constant, k, of this reaction at 29.0 degrees celsius
Which factors affect the position or exact frequency of vibration-rotation transitions. a. pressure
Calculate the molar concentration of ferrocyanide in a solution of 0.031 M ZnSO4 saturated with Zn2Fe(CN)6. ZnSO4 will be completely dissociated into Zn2+ and SO42-
The synthesis of enzymes in response to changing metabolic needs is referred to as
Imagine that you have a 5.50 L gas tank and a 2.00 L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch
How many moles of Cl2 can be produced from the given mass of HCl. c. Which reactant is the limiting reactant? d. What is the maximum amount of Cl2 that can be produced by this reaction e. Calculate the amount of excess reactant.
A sealed balloon is filled with 1.00 L of helium at 23 degrees celsius and 1.00 atm. The baloon rises to a point in the atmosphere where the pressure is 220 torr and the temperature is -31 degrees celsius.
calculate the moles of hydrogen and the pressure in each flask where the volume is negligible. Each flask is originally 275K with .455 mols of hydrogen gas and .7atm of pressure. Then one flask is heated to 500K while the other remains at 275K
Rank SCl2, PCl3, and SiCl4 in order of increasing ionic character of their bonds. Use polar arrows to indicate the bond polarity of each bond.
A sample of gas in a balloon has an initial temperature of 41 degree celsius and a volume of 1770 L . If the temperature changes to 96 degrees celsius, and there is no change of pressure or amount of gas, what is the new volume,V2 ,of the gas
hot methanol and then stored the recrystallization solution until the next lab period. What possible effect on your results due to this experimental error could take place?
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