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Show how the moles of water produced is related to the concentration of one of the reactants (either acetic acid or sodium hydroxide). Describe how you would know which reagent the moles of water is related to.
An airbag in?ates in less than 50 msec by the reaction of NaN3 to produce Na and nitrogen gas at 25 ?C. NaN3 → Na + N2 The volume of the airbag is about 30 liters, and it is ?lled to a pressure of 1.4 atm.
If 100 mg/L of aluminum sulfate is added to water and it completely dissolves, how many mmoles/L of Al3+ are present. How many mmoles/L of SO4-2
The delta G for the reaction is 2.60 kj/mol at 25 degrees C. The initial pressures are P H2 = 3.34 atm, P I2 = 0.024 atm and P HI = 0.24 atm.
A sample of a gas occupies 1470 mL at 60.7?C and 740 torr. What volume would it occupy at the same pressure and 450?C.
When heated, ammonium carbonate decomposes as follows. NH4CO2NH2(s) -> 2NH3(g)+CO2(g) At a certain temp, the equilibrium pressure of the system is 0.318 atm. Calculate Kp for the reaction.
what volume of 0.100 M NaOH is required to precipitate all of the nickel (ll) ions from 150.0 mL of a 0.162 M solution of Ni(NO3)2
a 280ml flask contains pure helium at a pressure of 754 torr . a second flask with a volume of 475ml contains pure
A particular solution has a hydrogen ion concentration of 2.13 x 10-13 M. What is the pH of this solution?
The rate constant for the second order reaction 2NO2 ® N2O4 is 2.79 L/mol ·min at 48 oC. If the initial concentration of NO2 is 1.05 M , what is the half-life? A) 20.5 s B) 10.3 s C) 0.341 min D) 176 s
Imagine an additional pressure of Cl2(g) = 0.40 atm is then added to the flask. Find the partial pressure of CO in the flask when the system re-establishes equilibrium.
What is the final concentration of Na+ if 250 ml of 0.3 M Na Cl is added to 750 ml of 0.125 M Na2SO4?
how could you use this information to design a crystallization procedure?
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