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Determine the volume of the methane at STP if bacterial culture isolated from sewage produced 35.5 mL of methane, CH4, at the temperature of 31 degree Celsius and at pressure of 753 mmHg.
419 J amount of Energy is added to a 54.0 grams sample of H2O at a temperature of twenty six degree Celsius. Explain What will be the final temperature of the H2O and express your answer in units of degrees Celsius
A graduated cylinder contains 148 of water. A 17.0 piece of iron (density = 7.86 ) and a 19.0 piece of lead are added. What is the new water level in the cylinder?
An equimolar liquid mixture of benzene and toluene at 10C is fed continuously to a vessel in which mixture is heated to 50C.
What would you use to prepare a buffer system with a pH of around 4.2. What would you use to make a buffer with a pH of around 9.2? Describe the process you used to choose the correct buffer for each pH.
atomic radius for Copper ,and assuming the atoms to be rigid spheres,
If the entropy of a collection of a molecules in 50,000 boxes is 3.73 x 10^-20 J/K, how many molecules are there
Prepare (2R,3S)-2,3-dibromobutane (a meso compound) starting from a racemic mixture of (2S,3S)- and (2R,3R)-2,3-dibromobutane
Identify the most stable arrangement of the regions of high electron density. Diagram and name the type of structure that the molecules has based on positions of the atoms.
When given a problem with an aqueous solution containing Na3PO4 and you need to find the boiling point of the solution only knowing the solution is 18.7% by mass Na3PO4 and the Kb for water is .512 It also says to consider if the solute is an elec..
Calculate the amount of heat energy required to convert 55.0 g of water at 62.5 degrees Celsius to steam at 124.0 degrees Celsius
The intiala rates at various substrate concentrations for an enzyme-catalyzed reaction are as follows.
The half-equivalence point of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted.
Calculate delta G for this reaction at 25 C under the following conditions. Pco2 = 0.100 atm Pccl4 = 0.165 atm Pcocl2 = 0.755 atm express answer in KJ please show work as well
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