Chem 120 unit 2 - Study guides, Class notes & Summaries

CHEM 120 Unit 3 Discussion 2 Molarity and Solution Calculations

CHEM 120 Unit 3 Discussion 2: Molarity and Solution Calculations Question Professionals in a scientific laboratory and in the healthcare field need to accurately prepare solutions for a number of reasons. If you wear contacts, you probably use a saline solution to rinse your contacts. What solutions do you use at work? How would you calculate the amount of solute to the solvent to prepare this solution? If you do not wear contacts but you use or make cleaning solutions for your housework, ho...

CHEM-120 Unit 2 Quiz (100% Correct Solutions)

CHEM 120 Unit 3 Discussion 2: Molarity and Solution Calculations

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...

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 3 Discussion 2: Molarity and Solution Calculations Professionals in a scientific laboratory and in the healthcare field need to accurately prepare solutions for a number of reasons. If you wear contacts, you probably use a saline solution to rinse your contacts. What solutions do you use at work? How would you calculate the amount of solute to the solvent to prepare this solution? If you do not wear contacts but you use or make cleaning solutions for your housework, how would yo...

CHEM 120 Unit 6 Discussion Option 2 Radiation – Topic of Uranium-238/CHEM 120 Unit 6 Discussion Option 2 Radiation – Topic of Uranium-238CHEM 120 Unit 6 Discussion Option 2 Radiation – Topic of Uranium-238CHEM 120 Unit 6 Discussion Option 2 Radiation – Topic of Uranium-238CHEM 120 Unit 6 Discussion Option 2 Radiation – Topic of Uranium-238CHEM 120 Unit 6 Discussion Option 2 Radiation – Topic of Uranium-238CHEM 120 Unit 6 Discussion Option 2 Radiation – Topic of Uranium-238CHEM 120 ...

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...