) Identify each of the following half-reactions as either an oxidation half-reaction or a reduction half-reaction. half-reaction identification 2H (aq)+2eH;(g) oxidation or reduction Ni(s)N (aq) + 2e oxidation or reduction ) Write a balanced equation for the overall redox reaction. Use smallest possible integer coefficients.

) Identify each of the following half-reactions as either an oxidation half-reaction or a reduction half-reaction. half-reaction identification 2H (aq)+2eH;(g) oxidation or reduction Ni(s)N (aq) + 2e oxidation or reduction ) Write a balanced equation for the overall redox reaction. Use smallest possible integer coefficients.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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what if it became 0.6 A what is the answer
Suppose a normally distributed set of data with 8900 observations has a mean of 123 and a standard deviation of 16. Use the 68-95-99.7 Rule to determine the number of observations in the data set expected to be above a value of 107. Round your answer to the nearest whole value. Hint: This problem is asking for how many observations not the percent. Answer Tip: Don't round any probabilities or percentages in your calculations. Keep all decimal places and round at the END of the problem.
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Application Questions: Answer the following questions. Show all work for calculations and include units and the correct number of significant figures. 1. A solution of cobalt (III) chloride was analyzed using a UV/Vis spectrometer and produced the spectra shown in Fig. 4. What is the best wavelength to use for analyzing the samples? Best wavelength to analyze sample: Absorbance 0.600 0.500 0.400 0.300 0.200 0.100 0.000 375 400 450 425 475 500 525 550 Wavelength (nm) Molarity of FD&C #2 0.000 0.115 0.225 0.350 575 Figure 4. UV/Vis spectra of a cobalt (III) chloride solution for determination of the best wavelength for analysis. 8 600 625 2. Create a graph in Excel and add a linear trendline using the data given below. Calculate the molarity of a solution (to 3 significant digits) with an absorbance of 0.576 using the trendline equation from this graph. Show your work in the box below. DO NOT ATTACH THE FIGURE. Abs 0.002 0.187 0.442 0.699 650 675
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I want a abstract of the hardness experiment and an explanation of the theory and objectives Thank you
I'm unsure of how to put it into the calculator? I read that it was ln instead of log. Do i type it all in together and then hit enter?
analyte concentration(C)(mg/ml) injection volume (ul) elution time (time) peak DAD signal(mAU) caffeine 1 1 4.67 302.85 aspartame 5 1 7.53 15.83 benzoic acid 1 1 8.14 89.98 saccharin 1 1 1.91 84.86 mixture(add everything above with 1:1:1:1 ratio) 1 4.47 69.58 How to get the concentration of the mixture in this case?
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Table 1: Standard Curve for Bradford Method. Absorbance measured at 595 nm Concentration of BSA Stock solution is 200 ug/mL Amount of protein in tube (ug) O ug Volume of Volume of BSA Absorbance Bradford reagent 3000 µl 3000 µl 3000 µl 3000 µl 3000 µl 3000 µl Cuvette no. Standard 0.00 O ul 30 µl 60 μl 90 μl 120 µl 150 µl В 0.1435 1 0.2968 2 0.402 3 0.5038 4 0.587
please answer both