Chem 120 unit 4 Study guides, Class notes & Summaries

CHEM 120: EXAM 1 CHAPTERS 1-4 KEY TERMS QUESTIONS WITH CORRECT ANSWERS

Paramedic final review exam. 1. The amount of air a pt moves into and out of his lungs in one breath is the: A. minute volume B. respiratory volume C. residual volume D. tidal volume 2. When testing orthostatic vitals, what vital sign change is the most sensitive positive sign of hypovolemia? A. BP drops by 10-20 B. BP rises by 10-20 C. pulse rate rises by 10-20 D. pulse rate drops by 10-20 3. Which pulse is recommended to check in peds? A. brachial B...

MCAT AAMC FL 1 CHem and Physics Questions and Answers 2023 In the chromatography of the reaction mixture, water absorbed on cellulose functioned as the stationary phase. What was the principal factor determining the migration of individual components in the sample? A.Hydrogen bonding B.Solute concentration C.Stationary phase concentration D.Thickness of paper The correct answer is A. This is an Organic Chemistry question that falls under the content category "Separation and purificat...

CHEM 120 Unit 2 Lab: OL Lab 4; Ionic and Covalent Bonds Learning Objectives Describe the formation of ionic and covalent bonds Identify anions and cations Apply the octet rule Describe ionic la ttice structure Draw Lewis dot structures Explain the formation of single, double, and triple bonds Distinguish between ionic compounds and covalent compounds Show Less

CHEM 120 Unit 4 Midterm 1. The correct isotope symbol for the isotope containing 1 proton and two neutrons – He 2. Which are the elements with the following electronic configuration: 1s2 2s 2 2p6 3s1 – Sodium 1s2 2s2 2p5- Fluorine 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p2 – Geremanium (Ge) 3. Provide 4 examples of substances with ionic bonds LiF - Lithium Fluoride, LiCl - Lithium Chloride, LiBr – Lithium Bromide, LiI - Lithium Iodide, Nacl,Calcium Nitrate 5. Name the following: N2S3 - dinitrogen ...

HESI A2 ALL SUBJECTS V2 UPDATE Vocabulary The words that are in caps represent the exact answer choice that I chose. 1. The lower surface of a structure is referred to as. INFERIOR **2. Injurious? TOXIC 3. Equilibrium? SENSE OF BALANCE 4. Site? LOCATION 5. The patient gave his Assent? AGREEMENT 6. The technician wore gloves as precaution? PREVENTIVE MEASURE 7. The of his right eye was damage. LENS ( correct word usage)jhghgf 8. The inebriate man staggered while walking to his car. S...

CHEM 120 EXAM REVIEW GUIDE- DOWNLOAD TO SCORE AN A+ Week 1 Topics: Scientific method Hypothesis: A testable explanation. Independent variable: What you as the scientist are controlling or chan ging. Dependent variable: Depends on the independent variable. What you expect to change. What you are measuring. Positive control: Group or condition with known outcome. Negative control: Condition for which no change is expected. Experimental controls: All the conditions that are held constant. Dimension...

CHEM 120 EXAM 1 REVIEW – DOWNLOAD TO SCORE AN A+ • Scientific method: method of investigation. involves cycles of observation and interpretation. observations, hypotheses, laws, and theories. • Hypothesis: testable explanation. • Independent variable: What scientist is controlling or changing. • Dependent variable: Depends on independent variable. Expected change. Measurable. • Positive control: Group or condition with known outcome. • Negative control: No change is expected. • E...

1. What does OSHA stand for? Occupational Safety and Health Administration 2. was created by the US department of labor to regulate and enforce safety and health standards to protect employees in the work place... 3. This regulates employee exposure to potentially toxic substances and inform employees about the possible hazards of materials used in the work place? 4. This requires that chemical manufacturers and im- porters assess and communicate the potential haz- ards associated with their ...

1. The efficiency of the refrigerant cycle is affected by the operation of the condenser. of the following, a more efficient centrifugal compressor operation results from Answer: Lowering the condensing pressure 2. The heat removed from the refrigerant in a condenser is Answer: Sensible and Latent Heat 3. The refrigerant unit that you have been assigned to is being taken out of service for a major repair. You have been assigned to withdraw refrigerant for storage in suitable containers. Accord...