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Suppose that in the reaction Q + R --> P, only the product, P, is colored.
What happens to the absorbance at the analytical wavelength for P of the mixture as the reaction progresses?
Suppose you do an experiment involving this reaction in which Q is present in large excess of R. If this reaction is first order with respect to R, would the graph of ln A for P versus time be straight line?
Hydrazine, N2H4, may react with oxygen to form nitrogen gas and water. N2H2(aq)+O2(g)=arrow=N2(g)+2H2O(l)
If a solid is not completely submerged in the water. Will this technique error increase, decrease, or have no effect on the reported density of the solid. Explain
identify the oxidizing agent and balance the equation by using oxidation and reduction half reactions.
Consider the following reaction to answer the questions below. 2H2S (g) + SO2 (g) ?? 3S (s) + 2H2O (g) ?H° = -145 kJ. At what temperature would the forward reaction become non-spontaneous
Write a chemical equation describing the condensation process for CO2 and a chemical equation describing the freezing
Hsolution for neutralization of HCl(aq) and NaOH(aq): Volume of HCl: 0.050 L Volume of NaOH: 0.050 L Volume total: 0.10 L Molarity of HCl: 1.99 M Molarity of NaOH: 1.99 M ?T for reaction B: 12°C Calculate the value (calories) for the heat of react..
Which of the changes listed below will shift the equilibrium to therightfor the following reversible reaction? C(s) + H2O(g)CO(g) + H2(g) + heat
The height of the mercury in the right arm open to atmospheric pressure (760 mmHg) is 100 mm and the height in the left arm is 120 mm. What is the pressure in the bulb
NaOCl, by mass. Assuming that the density of bleach is the same as water, calculate the volume of household bleach that should be diluted with water to make 500.0 mL of a pH = 9.80 solution.
For an oxidation and reduction reaction, indicate what is oxidized and what is reduced in the following reaction.
The human eye is able to detect as little as 2.35E-18 J of green light of wavelength 510 nm. Calculate the minimum number of photons of green light that can be detected by the human eye.
The isotope 22Na has a half life of 2.60 years. How much of a 1.00 gram sample would be left after 1.00 yr
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