1)Plz put the answer choice QUESTION 1At 25°C, AH,- 1.895k) and ASn =-3.363 J/K for the transition shown. Based on this datarxnCis.graphite) Cs, diamond)->Graphite cannot be spontaneously converted into diamond below 290°C, but can above 290°C.Graphite can never be spontaneously converted to diamond at 1atm.More information is needed.Graphite can spontaneously be converted into diamond below 290°C, but not above 290°C.Graphite can always be spontaneously converted to diamond at 1atm.QUESTION 2Calculate the molar solubility of Fe(OH)3, if its Ksp =2.7x10-9. The molar mass of Fe(OH)3 is 106%3D

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Chemistry

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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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- attempt- Q5: Select the correct answer for the following multiple-choice questions: 1. Asphalt penetration test can measure a. Consistency b. Aging c. Tension properties d. Safety 2. An emulsifier is commonly used to produce a. Tack coat b. Prime coat c. Emulsified asphalt d. Tar 3. The quality of performance of a soil as a subgrade material and group index are a. Inversely proportional b. Not related c. Directly proportional d. All of the above 4. The sieve that separates fine and coarse aggregates in asphalt mixture design is d. No.40 c. No.10 5. Kerosene is used as a solvent to produce a. Tar b. Emulsified asphalt c. Cutback asphalt a. No.200 b. No.4d. Oxidized asphalt
Row two is incorrect
The answer is supposed to be C though, it was a provincial question in the Chem 12 august 2005 exam. Why is it C?
In the last step, why is there a 2 in the second bracket before you input the numbers?
Only need answer
can skip i and ii and just do a and b
Which of the following is incorrect: a. General steps in quantitative analysis include: Method selection, sampling, sample processing, calibration & measurement. b. Qualitative analytical methods include: gravimetric, volumetric, spectroscopic and electroanalytical methods. c. The first step in sample processing is sample preparation. d. Replication improves the quality of results and their reliability. e. In quantitative analysis there should be a direct proportionality between a measured property and the concentration or amount of substance. Please fill in the spaces one of the following characters (a or b or cor d or e)
GENERAL INSTRUCTION: 1. All answers to be entered via short answer are in the numerical format and presented up to the 3rd decimal place. Add trailing zeros if necessary, to complete your answer. NO NEED TO INCLUDE THE UNIT. For uniformity of answers, please be guided by the following examples: If your answer is 5.627594, enter 5.628 If your answer is 3.129934, enter 3.130 If your answer is 8.38, enter 8.380 If your answer is 1.2, enter 1.200 If your answer is 25, enter 25.000 If your answer is less than the value of 1, always place a zero before the decimal point (example: 0.5, enter 0.500) 2. In cases for answers in the exponential format, please be guided by the following examples and format: Do not convert your answer to decimal format If your answer from the calculator is 1.23454566 x 10E-4, enter 1.235x10^-4 (no spaces in between) If your answer from the calculator is 7.379566 x 10E-5, enter 7.38x10^-5 (no spaces in between) 3. For the atomic weights, it should be rounded to…