(a)
Interpretation:
Whether the addition of more
(b)
Interpretation:
Whether the removal of
(c)
Interpretation:
Whether an increase in the temperature of the reaction increases the equilibrium concentration of
Explanation:
An increase in the temperature will increase the concentration of
(d)
Interpretation:
Whether a reduction in the volume of the reaction increases the equilibrium concentration of
Explanation:
A decrease in the volume will increase the concentration of
(e)
Interpretation:
Whether the introduction of a catalyst to increase the
Explanation:
The introduction of a catalyst will increase the rate of reaction and more reactant will convert into products. So, it will shift the equilibrium toward right.
(d)
Interpretation:
Whether a reduction in the volume of the reaction increases the equilibrium concentration of
(e)
Interpretation:
Whether the introduction of a catalyst to increase the rate of reaction increases the equilibrium concentration of
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- Reagan is doing an atomic absorption experiment that requires a set of zinc standards in the 0.4-1.6 ppm range. A 1000 ppm Zn solution was prepared by dissolving the necessary amount of solid Zn(NO3)2 in water. The standards can be prepared by diluting the 1000 ppm Zn solution. Table 1 shows one possible set of serial dilutions (stepwise dilution of a solution) that Reagan could perform to make the necessary standards. Solution A was prepared by diluting 5.00 ml of the 1000 ppm Zn standard to 50.00 ml. Solutions C-E are called "calibration standards" because they will be used to calibrate the atomic absorption spectrometer. a. Compare the solution concentrations expressed as ppm Zn and ppm Zn(NO3)2. Compare the concentrations expressed as M Zn and M Zn(NO3)2 - Which units allow easy conversion between chemical species (e.g. Zn and Zn(NO3)2)? - Which units express concentrations in numbers with easily expressed magnitudes? - Suppose you have an analyte for which you don't know the molar…arrow_forwardNonearrow_forwardHow will you prepare the following buffers? 2.5 L of 1.5M buffer, pH = 10.5 from NH4Cl and NH3arrow_forward
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