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To determine the volume of a gas using ideal gas law.
What volume will 5.6 moles of sulfur hexafluoride (SF6)gas occupy if the temperature and pressure of the gas are 128 degrees C and 9.4 atm?
To determine the number of moles of a gas using ideal gas law.
A sample of nitrogen gas kept in a container of volume 2.3L and at a temperature of 32 degrees C exerts a pressure of 4.7 atm. Calculate the number of moles of gas present.
The specific 14C activity of a sample of charcoal is determined to be 12.47 dpm g-1of carbon. What is the age of the sample if the initial activity of 14C in this sample was 13.56 dpm g-1of carbon?
Solve an equilibrium problem (using an ICE table) to calculate the pH of each of the following solutions. 0.17 M CH3NH2Cl
The equilibrium point is reached at 120 seconds. After 200 seconds has passed, what is the concentration of sulfates in the drinking water sample.
The equilibrium system H2 + I2 ? 2HI has equilibrium constant K = 6.2. Starting from the nonequilibrium state [H2] = 0.3 M, [I2] = 0.5 M, and [HI] = 0.7 M, what are the concentrations of the three molecules when equilibrium is established
the volume of NaOH needed to neutralize it and repeats the process several times to determine the concentration of the NaOH solution. She calculates the concentration and uncertainty in the concentration of the NaOH from the titration data.
A student wishes to make a soution of lithium hydroxide (LiOH) to a strength of 1.7 mol/L. If he is going to make a total volume of 1.5 L
How many grams of NaCl are contained in 350 ml of a 0.25 M solution of sodium chloride?
The solvolysis product of 1-bromo-2,2-dimethylbutane with ethanol initially forms the expected carbocation but does not give any of the expected 1-ethoxy-2,2-dimethylbutane. Draw the rearranged cation that will eventually lead to the product.
What mass of each will be present in the air assuming the liquid and vapor are in equilibrium? The vapor pressures at 300 K are 3.2 kPa, 13.1 kPa, and 0.23 kPa respectively.
What wavelength lambda should the astrophysicist look for to detect a transition of an electron from the n= 7 to the n=3 level
what amount of HCl in grams is needed to react with .676 g Al(OH)3
2H+(aq) + 2Br-(aq) + CO2(g) BrO3-(aq) + 5Br-(aq) + 6H+(aq) Rate = k[Br2] Rate = k[BrO3-][Br-][H+]2 (4th order is RARE!) Exp. What is the rate law? What is the value of the rate constant? Why?
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