01 Select the correct answer for the followings: 1. Corrosion is destructive attack by. reaction a) Chemical b) electrochemical c) both a and b d) not of previous 2- The form of corrosion in which one component of an alloy is dissolved in the corrosive environment is called.. a) General corrosion b) selective dissolution e) pitting corrosion d) stress corrosion 3- The strategy of corrosion protection that involves opposing the metal dissolutionreaction with an electrical voltage applied is called.. a) Passivity b) anodic protection c) sathodic protection 4) non of previous 4-The potential versus Ag'AgClof-228 mVequals to. mV versus Cu CUSQ electrode a) -114 V b) -124 V c) -134 V d)non of previous

01 Select the correct answer for the followings: 1. Corrosion is destructive attack by. reaction a) Chemical b) electrochemical c) both a and b d) not of previous 2- The form of corrosion in which one component of an alloy is dissolved in the corrosive environment is called.. a) General corrosion b) selective dissolution e) pitting corrosion d) stress corrosion 3- The strategy of corrosion protection that involves opposing the metal dissolutionreaction with an electrical voltage applied is called.. a) Passivity b) anodic protection c) sathodic protection 4) non of previous 4-The potential versus Ag'AgClof-228 mVequals to. mV versus Cu CUSQ electrode a) -114 V b) -124 V c) -134 V d)non of previous

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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Using this chart : Time (seconds) [PHT] ln[PHT] 1/[PHT] 0 0.005000 -5.298 200.0 10.5 0.004500 -5.404 222.2 22.3 0.004000 -5.521 250.0 35.7 0.003500 -5.655 285.7 51.1 0.003000 -5.809 333.3 69.3 0.002500 -5.991 400.0 91.6 0.002000 -6.215 500.0 120.4 0.001500 -6.502 666.7 160.9 0.001000 -6.908 1.000E3 230.3 0.0005000 -7.601 2.000E3 *Your x-axis should be "time"zero order: time vs [PHT]first order: time vs ln[PHT]second order: time vs 1/[PHT]Enter the absolute value of both slope and correlation into the table below. Order slope correlation 0 1 2
True or false? (No need explanation) different types of gloves protect against different types of chemicals. The most likely route of entry for exposure to chemicals is through your nose and mouth. Never expose yourself to any meterial unless you know exactly what it is, how it can hurt you and what you need to protect yourself
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Your doctor prescribed eye drops for you to treat a certain condition. You obtain the eye drop liquid medication in a small bottle containing a total volume 15 ml. Your instructions were to apply 2 drops in each eye at night. Given that the volume of 1 drop is 0.05 ml. Calculate many days will the eye drop liquid medication last?Key: start by calculating how many drops are present in 1 ml
14. A student determined the density of air (STP conditions) to be 1.19 grams/Litre. If the theoretical value is 1.29 grams/Litre, determine the student's percentage error.
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15. You are calibrating a buret that is graduated to 0.1 mL. The measured volume delivered is 10.88 mL at 24.000°C. The calculated actual volume based on the mass of water is 10.859 mL. IMPORTANT: The actual volume is reported to 2 decimal places since the buret volume is reported to 1/100 of a mL. The buret error (mL) is: -0.02 0.02 -0.021 0.021
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