Computing molar concentration of the ammonia
If 19.0 mL of 0.800 M~rm HCl solution are needed to neutralize 5.00 rm mL of a household ammonia solution, what is the molar concentration of the ammonia?
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A gaseous system undergoes a change in temperature and volume. What is the entropy change for a particle in this system if the final number of microstates is 0.852 times that of the initial number of microstates?
These reactions are coupled so that the overall process is energetically favorable. What is Delta G for the overall process?
A voltaic cell is constructed with two Zn+2-Zn electrodes. The two cell compartments have [Zn+2]=5.00 M and [Zn+2]=1.00 x 10^-2 M, respectively. What is the standard emf of the cell?
What features would you expect to be different when comparing the IR spectra of serine and tyrosine? Provide at least two features that you would expect to be the same. Explain your answer in terms of particular IR stretches (i.e. number ranges) a
The mixture of saltwater and ice around the ice cream bucket in the ice cream machine is at a temperature of -8.40C. What mass of sodium chloride would be found in 1,477 grams of this solution?
Carbon dioxide is a green house gas that is linked to global warming. It is released into the atmosphere through the combustion of octane (C8H18) in gasoline. Write the balanced chemical equation for the combustion of octane. (Use the lowest possi
How many L of hydrogen are needed to drive to the Grand Canyon, 789 miles away?. The density of hydrogen is 8.99x10 to the negative 5 g/cm cube.
Addition of HBr to 1-phenylpropene yield only (1-bromopropyl)benzene. Propose a mechanism for the reaction and explain using resonance structures why none of the other regioisomer is produced?
The following reaction will be balanced in a acidic solution: MnO^(-)4 + H2C2O4 --> Mn^(2+) + CO2. What is one of the balanced half-reactions? oxidation or reduction half-reaction.
A mixture of 7.50 g He and 29.5 g Ne has a pressure of 750. mm Hg. What is the partial pressure of each of the gases?
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