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ACS Physical Chemistry Thermochemistry Study Guide |100% Correct|

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ACS Physical Chemistry Thermochemistry Study Guide |100% Correct| What is the third law of thermodynamics? *Ans* The entropy of a perfect crystal is zero. What is the second law of thermodynamics? *Ans* As a whole, the universe always tends towards increasing entropy. What is the relationship between number of microstates and entropy? *Ans* More microstates = higher entropy What is the relationship between temperature and entropy? *Ans* Temperature increases, entropy increases (dir...

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ACS General Chemistry 2 Final Exam Study Guide |2024 Release|

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ACS General Chemistry 2 Final Exam Study Guide |2024 Release| C Where is the hydrophilic (attracted to water) region of the molecule? (A) Region 1 (B) Region 2 (C) Region 3 (D) The three regions are equally hydrophilic C Which molecule is most soluble in water? D A solution of NaCl in water has a concentration of 20.5% by mass. What is the molal concentration of the solution? Molar Mass NaCl = 58.44 g/mol (A) 0.205 m (B) 0.258 m (C) 3.51 m (D) 4.41 m B What is the mole fract...

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Latest ACS Exam Review 100% Pass |Graded A+|

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Latest ACS Exam Review 100% Pass |Graded A+| Rutherford's Gold Foil Experiment *Answer* proposed that atoms consist of a tiny, massive, positive nucleus surrounded by electrons nucleus *Answer* contains all the positive charge and nearly all the mass of the atom James Chadwick *Answer* discovered the neutron cathode rays *Answer* move from negative electrode to positive electrode (like electrons in a voltaic cell) Thompson's Cathode Ray Experiment *Answer* discovery of the electron ...

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Latest Acute Coronary Syndrome Exam |Question and Answer|

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Latest Acute Coronary Syndrome Exam |Question and Answer| Which immediate electrocardiogram (ECG) findings confirm the diagnosis of ST-segment elevation myocardial infarction (STEMI)? *Ans* ST-segment elevation in two contiguous leads The doctor admits a patient to the hospital to rule out non-ST-segment elevation myocardial infarction (NSTEMI) or unstable angina. An electrocardiogram (ECG) shows ST-segment depression with T-wave inversion. Which finding would confirm a diagnosis of ...

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2024 ACS Chemistry Exam Prep|Question and Answers| 100% pass

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2024 ACS Chemistry Exam Prep|Question and Answers| 100% pass B 1 ***USING FLASHCARDS ALLOWS FOR BEST IMAGE RESOLUTION IN THIS PRACTICE SET. Also, the number below the picture corresponds with the problem. E 2 D 3 A 4 A 5 A 6 B7A8C9C 10A 11B 12 A 13B 14D 15D 16A 17B 1

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ACS Physical Chemistry Thermochemistry Study Guide |Question and Answer| 100% Correct

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ACS Physical Chemistry Thermochemistry Study Guide |Question and Answer| 100% Correct What is the third law of thermodynamics? *Ans* The entropy of a perfect crystal is zero. What is the second law of thermodynamics? *Ans* As a whole, the universe always tends towards increasing entropy. What is the relationship between number of microstates and entropy? *Ans* More microstates = higher entropy What is the relationship between temperature and entropy? *Ans* Temperature increases, en...

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ACS EAQ Practice Exam |Q&A| 100R% Correct

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ACS EAQ Practice Exam |Q&A| 100R% Correct The nurse is preparing an initial care plan for a patient that presents with chest pain. What is the priority nursing intervention? *Ans* Monitoring the patient's ECG During the 48 hours after a myocardial infarction (MI), a nurse should assign the highest priority to monitoring the patient for what complication? *Ans* Dysrhythmias The nurse is providing teaching to a patient recovering from a myocardial infarction (MI). How should resumption...

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Chem 2 ACS 101 Final Exam |Question and Answer| Verified

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Chem 2 ACS 101 Final Exam |Question and Answer| Verified ideal gas law conditions *Ans* low pressure, high temperature boyle's law *Ans* p1v1=p2v2 gases are highly _________ *Ans* compressible gases expand ________ to fill the container they are placed in *Ans* spontaneously the distance between molecules in gases are _____ *Ans* far apart in gases 1 mol of any gas at STP is *Ans* 22.4 liters the lighter the gas, _____ *Ans* the faster the effusion rate the deviation from ideal behavi...

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ACS Analytical Chemistry Exam |Question and Answer| 100% Correct

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ACS Analytical Chemistry Exam |Question and Answer| 100% Correct standard deviation (s) *Ans* the square root of the variance % relative standard deviation (%RSD) *Ans* Standard deviation divided by mean times 100 Grubbs test (Gcalc) *Ans* |Questionable value - mean/ std dev| If that is larger than the Gtable value then the value is thrown out. Locate Gtable value based on number of values in data set. Used to define outliers z score *Ans* (x- xavg)/s F Test *Ans* used to compare ...

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[ALS - Red Cross] Acute Coronary Syndromes [Pre-Assessment - 2024]

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[ALS - Red Cross] Acute Coronary Syndromes [Pre-Assessment - 2024] After screening for potential contraindications, which medications should be administered as initial therapies to the patient with suspected ACS? *Ans* 1. Nitroglycerin 2. Aspirin What findings on ECG suggest non-ST-segment elevation ACS (NSTE-ACS)? *Ans* 1. ST-segment depression 2. Transient T-wave elevation 3. T-wave inversion Which findings on a 12-lead ECG would be expected in a patient with high-risk non-STsegme...

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