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

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 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...

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...

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 ...

CHEM 120 Week 7 Quiz Assignment Week 7 Assignment: 30 points: MC/Select all that apply: 1 point each 1. Which of the following are examples of proteins? Select all that apply. A) Antibod ies B) DNA C) Enzymes D) RNA E) Hemoglobin 2. You find a mRNA fragment reads in part as AAU-UUA-GAU-UAA. The template strand of the DNA that coded for this fragment would read: A) AAU-UUA-GAU-UAA B) AAT-TTA-GAT-TAA C) TTA-AAT-CTA-ATT D) UUA-AAU-CUA-AUU 3. Choose the carbohydrates that are classified as polysacch...

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...

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 ...

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...

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 ...