Electropositive - Study guides, Class notes & Summaries

BCH4024 Exam 1 Purich Questions & Answers 2023/2024 Basic Structure of water - ANSWER--large dipole moment -very polar that interactions between H2O molecules are strong--high heat capacity -liquid water=H-bonds are relentlessly made and broken; thus a flickering collection of W5 structures, with extremely little W1 -each water molecule can form up to 4 H-bonds -liquid water has 3.4 H-bonds on average -ice has 4 H-bonds H-bond - ANSWER-stable interaction occurring when 2 EN atoms shar...

Chem 1020 Final Exam Questions with 100% Verified Correct Answers what is the most electropositive element? - Correct Answer Li Which of the following elements has 3 electrons in the valence (outer) shell? - Correct Answer B Which of the following would you expect to have ionic bonds? - Correct Answer CsF Which of the following would you expect to have polar covalent bonds? - Correct Answer NF3 Which molecule has nonpolar covalent bonds? - Correct Answer N2 the number of electron...

NACE CP2 STUDENT MANUAL CHAPTER 5: STRAY CURRENTS EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED GRADED A++ ________ are currents through electrical paths other than the intended circuit. A) Eddy currents B) Stray currents C) Direct currents D) Alternating currents b A mitigation control bond should be designed to ______. (select all that apply) A) carry the necessary current B) restrict the current to the level required to mitigate the problem C) keep the current ...

NACE CP2 Quiz 2 Questions and Answers (Verified Answers) A structure-to-electrolyte potential measures the potential difference between A. Two different structures acting as electrodes B. The structure and a standard reference electrode C. The structure and the anodes D. Two different points on the structure B. The structure and a standard reference electrode If 5.0 A of battery current passes through the outside leads of a 4-wire current span spaced at 30 m (100 ft), resulting in a...

NACE CP2 STUDENT MANUAL CHAPTER 6: PIPELINE SURVEY METHODS EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED GRADED A++ A close interval potential survey is a test where structure-to-electrolyte potentials are measured __________. A) at 1 to 3 meter spacing along a pipeline B) at 1 to 3 kilometer spacing along a pipeline C) at the quaterpoints around a large tank D) close to the DC power source a For steel in concrete what is the probability of corrosion at a potential of -...

NACE CP 2 Quiz 2 100% Correctly Solved 2024 A structure-to-electrolyte potential measures the potential difference between A. Two different structures acting as electrodes B. The structure and a standard reference electrode C. The structure and the anodes D. Two different points on the structure - Answer-B. The structure and a standard reference electrode If 5.0 A of battery current passes through the outside leads of a 4-wire current span spaced at 30 m (100 ft), resulting in a voltage ...

NACE CP2 Quiz 3 Questions and Answers (Verified Answers) A mitigation control bond should be designed to 1. carry the necessary current 2. restrict the current to that required to mitigate the problem 3. keep the current going in one direction if necessary 4. return the potential on the interfered with structure to its pre-interference state All of the above A mitigation bond may cause more problems under which of the following conditions? 1. Where the interfering structure bond ...

NACE CP 2 Quiz 2 Exam Questions With 100% Correct Answers A structure-to-electrolyte potential measures the potential difference between A. Two different structures acting as electrodes B. The structure and a standard reference electrode C. The structure and the anodes D. Two different points on the structure - answerB. The structure and a standard reference electrode If 5.0 A of battery current passes through the outside leads of a 4-wire current span spaced at 30 m (100 ft), resulting...

1. A mitigation control bond should be designed to 1. carry the necessary current 2. restrict the current to that required to mitigate the problem 3. keep the current going in one direction if necessary 4. return the potential on the interfered with structure to its pre-interference state All of the above 2. A mitigation bond may cause more problems under which of the following conditions? 1.Where the interfering structure bond point is more electropositive than the interfered with stru...

NACE CP 2 Quiz 2 100% Correctly Solved 2024 A structure-to-electrolyte potential measures the potential difference between A. Two different structures acting as electrodes B. The structure and a standard reference electrode C. The structure and the anodes D. Two different points on the structure - Answer-B. The structure and a standard reference electrode If 5.0 A of battery current passes through the outside leads of a 4-wire current span spaced at 30 m (100 ft), resulting in a voltage ...