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What is the pH for a 400ml solution of 1.6 M Benzoic Acid if you added 75 grams of conjugate base (NaC6H5CO2) to the solution? If you now added 25ml of 1.35M NaOH, what would be the new PH?
when 50. grams of ethane gas is burned completely in oxygen. Carbon dioxide and water vapor are produce. How many mole of water vapor are produced?
A sample of 0.250 g of a pure radionuclide with a mass number of 244 was pragmatic to have an absolute activity of 4.45 micro curies. Determine the half-life of this radionuclide.
Determine the microcanonical partition function, omega. Determine fundamental relation of system, using Stirling's approximation Determine the energy and heat capacity for the system as a function of temperature using Stirling's approximation. Det..
A BOD test is to be run on a sample of wastewater that has a five-day BOD of 230 mg/L. If the initial DO of a mix of distilled water and wastewater is 8.0 mg/L
Can we determine anything from the size of the number of ?G (gibbs free energy)? Like if the number is really big does it react quicker than a smaller ?G? What does it mean if G=0? Give an example.
The decomposition of sulfuryl chloride is a first orded. The rate constant for the decomposition at 660 K is 4.5 X10-2 s-1. A. If we start with an initial SO2Cl2 pressure of 330 torr, Explain what is the pressure of this substance after 73 s
If 3.5 mol of C3H8 and 14.0 mol O2 are placed in a closed container and they react to completion (until one reactant is completely used up), what compounds will be present in the container after the reaction and how many moles of each compound are..
What are three common ways to "save" electricity to reduce electric bills? How much work is required to lift a 3.00-kg object from the bottom of a well 10.0 m deep?
What volume, in mL, of a hydrogen phosphate solution that is 85.5% hydrogen phosphate, by mass, contains 0.100 mole of hydrogen phosphate. The density of the solution is 1.70 g/mL.
How many types of nonequivalent protons does the following compound contain. (CH3)2CHCl Why
For air at 20.0°C, there is a unique pressure above pR = 1.00 at which the compressibility factor is the same as that of an ideal gas. Use the compressibility charts to determine this pressure.
What is the acceleration in the horizontal direction in m/s2?
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