Chem 120 concepts - Study guides, Class notes & Summaries

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 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...

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 OL, Week 3 Lab: OL Lab 6: Solution Preparation; From Salt to Solution Learning Objectives: Prepare an aqueous solution of a specific concentration from a pure salt Correctly use an analy tical balance, a volumetric pipette, a volumetric flask, and a measuring cylinder Explain the relationship between molarity and mass concentration Introduction Prepare to become a solution champion! In this simulation, you will complete all the steps involved in preparing an aqueous solution of a given ...

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 Unit 4 Lab: OL Lab 8: Acids and Bases CHEM120 OL, Week 4 Lab Observations: Record three observations from the simulation. The temperature scale is arbitrary. Change in gas physical pro perty is linked to temperature change. Ideal Gas law states that volume is proportional to temperature. Answer the questions below: 1. If the pressure of a fixed volume of gas decreased in a sealed container, what variable would you think changed? Did this variable increase or decrease? Pressure of gas is...

CHEM 120 Unit 2 Lab: OL Lab 3: Periodic Table of Elements Learning Objectives: Describe the structure and organization of the periodic table Classify elements of a family based on their location in the periodic table Distinguish metals from other element classes based on typical characteristics Use the flame color test to identify metals based on their position in the periodic table Explain valence electrons and oxidation state of a main group element to its position in the periodic table Descri...

OL Lab 13: Protein Synthesis Introduction to General Chem 120 Learning Objectives • Explain the translation process from mRNA to amino acid • Explain post-translational modification of proteins • Explain protein synthesis processing in the ribosome • Explain the primary, secondary, tertiary and quaternary structures of protein • Explain the basic principles of mass spectrometry (MALDI-TOF) Introduction In the Protein Synthesis lab, you will learn about the difference between protein sy...

CHEM 120 OL Lab 11: Carbohydrates: The sugars that feed us Learning objectives • Explain the molecular structure of sugars and polysaccharides • Explain digestion and appreciate the complexity 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 cont...

Rebecca Watsey CHEM 120 OL Lab 4: Ionic and Covalent Bonds Part 1: Complete Labster Lab Ionic and Covalent Bonds 1. What information will help you chemically analyze the two mysterious substances? They are solid and white. 2. Which of the following is insoluable in water? Copper wire 3. What does KCl stand for? Potassium Chloride 4. Which element classes do potassium and chlorine belong to? Metal and Nonmetals 5. What happens when ionic compounds dissolve in water? Cations and anions are ...