Chem 120 unit 4 - Samenvattingen en Aantekeningen

CHEM 120 Unit 2 Exam Questions and Correct Answers Latest Update 2025 (Already Passed) NH4^+ - Answers Ammonium NO2^- - Answers Nitrite NO3^- - Answers Nitrate C2H3O2^- - Answers Acetate CN^- - Answers Cyanide OH^- - Answers Hydroxide ClO^- - Answers Hypochlorite ClO2^- - Answers Chlorite ClO3^- - Answers Chlorate ClO4^- - Answers Perchlorate CrO4^2- - Answers Chromate CO3^2- - Answers Carbonate HCO3- - Answers Bicarbonate (hydrogen carbonate) SO3^2- - Answers Sulfite SO4^2- - Ans...

1. My father and I looked at her/hers. 2. I am looking forward to my birthday party next week. a. Going b. Go c. Have d. Having 3. Coffee experts feel that the coffee blend is a dark blend. a. More greater b. Great c. Best d. More greatest 4. The nurse made a error with the medication, so the doctor made notes about it in the patients file. a. About it b. A c. With d. Made 5. Finishing isn’t as important as answering correctly. a. Quick b. As quick c. So quickist d. Quickl...

CHEM 120 FINAL EXAM QUESTIONS AND CORRECT ANSWERS LATEST UPDATE 2024 (GRADED A+) what is compressability - Answers gases have larger spaces between them which makes them very compressible what are the 4 parameters for describing gas - Answers pressure, temperature, moles, volume what is pressure - Answers force exerted per unit area on walls of container What is atmospheric pressure? - Answers force exerted by the atmosphere= 101.3 kPa What is a barometer? - Answers An instrument that measu...

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...

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

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...

1. For lower premolars, the purpose of inclining the handpiece lingually is to, A. Avoid buccal pulp horn B. Avoid lingual pulp horn C. Remove unsupported enamel D. Conserve lingual dentine - ANSWER A. Avoid buccal pulp horn Explanation 1- avoid BUCCAL pulp horn 2- conserve ling. dentine So take A and B if available 2. For an amalgam restoration of a weakened cusp you should, A. reduce cusp by 2mm on a flat base for more resistance B. reduce cusp by 2mm following the outli...

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...

29 RBS II Exam 113 Questions with Verified Answers Latest Length at Waterline - CORRECT ANSWER 26 FT 2 inches Maximum Length of Boat in Water (bow to end of taff rail) - CORRECT ANSWER 31 FT 8 inches Length Overall on Trailer (front of trailer coupler to end of taff rail) - CORRECT ANSWER 36 FT 10 inches Maximum length of boat on trailer (trailer coupler to skeg on outboard lower unit, engines trimmed up) - CORRECT ANSWER 38 FT 1 inch (this is the longest possible measurement for...

CHEM 120 Unit 4 Midterm Exam 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 2 s2 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 - dinitr...