Chem 120 answer key - Study guides, Class notes & Summaries

CHEM 102 WINTER 16 PRACTICE FINAL EXAM (C) KEY 1. What is true about cytosine? Choose ALL true statements. A. All of the nitrogen atoms are sp3 hybridized. B. The bond angle around all carbon atoms are around 120°. C. Cytosine can potentially make up to 8 hydrogen bonds. D. All of the carbon atoms are sp2 hybridized. E. There are a total of 3 pi bonds in this molecule. 2. Rank the following diatomic molecules/ions in terms of decreasing stability. Please choose a SINGLE answ...

HESI A2 ALL SUBJECTS V1 2020/2021 UPDATE HESI A&P V1 1. Which of the following statements best describes endocrine glands? They secrete chemicals into the blood 2. Which organ is part of both the male reproductive system & the urinary system? Urethra 3. Which structure conducts urine from the kidney to the urinary bladder? Ureter 4. Anaerobic respiration can lead to a burning sensation cause by which molecule? Lactic acid 5. When assessing a female client who describes herself as a vegeta...

CHEM 120 Exam 2: Chapters 5,6,7,8 (With Answer Keys) - Chamberlain College of Nursing Examination Study Guide Latest Updated 2024

HESI A2 ALL SUBJECTS V1 2020/2021 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 h...

CHEM 120 OL Lab 6: Solution Preparation: From salt to solution Part 1: Complete the Labster Lab: Solution Preparation: From salt to solution 1. Which equation do we need to find out how many moles of NH4Cl would there be in 500 ml of a .300 M solution of it? n= CxV 2. How do we then get from moles (n) to mass (m)? m=nxM 3. What was the first step of using the balance before adding anything to a weighing dish? Tare the balance with the weighing dish and the balance closed 4. Why is it that t...

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 Unit 7 Lab: OL Lab 12: Introduction to Food Macromolecules Learning Objectives Identify the types of macromolecules found in food Identify the structure of carbohydrates, proteins, and l ipids Detect macromolecules in food samples Introduction Macromolecules are very large molecules created by the polymerization of small units called monomers. Most of the macromolecules are present in everyday life, for instance in food. Learn about biological macromolecules There are several types of b...

CHEM 120 Unit 1 Lab: OL Lab 1: Chemistry Safety Learning Outcomes Create biodiesel from algal oil Identify the hazards posed by chemicals and how to handle them React quickly and save lives in c ase of a fire emergency Use the CAS numbers to plan your experiment Identify how to dispose of halogenated and non-halogenated waste Identify H and P phrases in the safety data sheet Safely use a chemical fume hood Introduction Are you ready to work in a chemistry lab? In the Chemistry Safety simulation ...

CHEM 120 OL, Week 3 Lab: OL Lab 5: Stoichiometric Calculations; Identify an Unknown Compound Using Gravimetric Analysis Learning Objectives: Explain the relationship between mass, molecular weight , and numbers of atoms or molecules and perform calculations deriving these quantities from one another Perform mass-to-mass stoichiometric calculations via conversions to moles Identify the limiting and excess reagents in a chemical reaction Calculate the theoretical, actual and percent reaction yield...

CHEM 120 Unit 6 Lab: OL Lab 11: Carbohydrates: The Sugars That Feed Us Learning objectives Explain the molecular structure of sugars and polysaccharides Explain digestion and appreciate the compl exity of the human body Experiment with different foods and measure their impact on the blood sugar level Introduction Most people are familiar with carbohydrates, especially when it comes to what we eat. For example, to lose weight, some individuals adhere to “low-carb” diets. Athletes, in contrast...