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A beaker with 1.40×102mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 7.10mL of a 0.410\it M \rm HCl solution to the beaker. How much will the pH change? The pKa of acetic acid is 4.760.
Consider 4.00 rm L of a gas at 365 rm mmHg and 20. rm ^{circ}C . If the container is compressed to 3.00 rm L and the temperature is increased to 36, rm ^{circ}C, what is the new pressure, P_2, inside the container? Assume no change in the amount o..
Why do the metals Co, Rh, and Lr form octahedral complexes (rather than tetrahedral or square planar complexes)
Complete and balance the following redox reaction reaction under basic conditions- PO3^3-(aq)+ MnO4^-(aq) ? PO4^3-(aq)+ MnO2(s).
Calculate the pH of the solution that results from adding 28.0ml of 0.100M NaOH to 50.00 mL of a 0.0500 M solution of hydrochloric acid
The simplest formula of a substance is found to be CH2O, and its approximate molar mass is found by experiment to be 93 g•mol-1. What is its exact molar mass?
what product and how much of it would you obtain if you heated 1.0mL of ethanol with 2.0 mL of glacial acetic acid in the presence of a few drops of sulfuric acid?
In order to distinguish the R and S forms of a molecule an enzyme must have binding sites for how many of the groups on the stereocenter of the molecule
Determine the free energy change associated with the above reaction (you might find it easier to first consider the movement of the two components of the system separately)
I2+6H2O yields 2IO3-+12H+ where and how many electrons are needed to balance this equation
Which sample contains the largest number of molecules?
What can we expect to be a few key differences between a jelly roll motif and an up and down barrel
solution with a pipet to a second 500.0 mL volumetric flask and diluting to the mark. Find the concentration of Ag+ in the dilute solution.
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