Chem 120 virtual lab - Study guides, Class notes & Summaries

OL Lab 8: Acids and Bases Learning Objectives • Give examples of acids and bases from everyday life • Define pH and identify acids and bases using the pH scale • Apply the Bronsted-Lowry definition of acids and bases to chemical compounds • Describe the amphoteric and self-ionization capacity of water • Calculate the pH of a strong acid and base in the solution • Assess whether a neutralization reaction will occur • Evaluate the outcome of simple acid-base reactions

Other CHEM 120 Week 5 Lab; OL Lab 9; Building Models of Organic Compounds CHEM120 OL, Week 5 Lab OL Lab 9: Building models of organic compounds Learning Objectives:  Build virtual models to learn about the structure of organic compounds  Draw extended structural formulas of organic compounds Compounds that are based on the carbon atom are known as organic compounds. These compounds commonly contain, nitrogen, oxygen, and hydrogen in addition to carbon. Carbon forms a variety of covalent ...

CHEM 120 Unit 6 Lab: OL Lab 10: Nuclear Chemistry Objectives: Identify the differences between chemical reactions and nuclear reactions. Identify the concept of radioactive decay. Identify the n uclear changes associated with alpha, beta or gamma decay. Write the products of nuclear reactions involving alpha, beta or gamma emissions. Explain the concept of half-lives and complete half-life calculations. Not all atoms are stable. When atoms are born in a nuclear reactor, whether it be the heart o...

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...

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 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 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 ...

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 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...