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CHEM 219 Lab Experiment 1 SUMMER 2025 Portage learning

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Experiment #: 1 Title: Comparison of Simple vs. Fractional Distillation for the Separation of a Binary Mixture Purpose: The purpose of this experiment is to introduce and compare the two main types of distillation: simple and fractional. Procedure: Set up the experiment under a fume hood that is turned on. And wear a protective lab coat and safety glasses throughout the entire procedure… Part 1: Simple Distillation 1. A 100 mL round-bottom flask (distillation pot) was filled with ...

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CHEM 212 Module 1-4 Problem set SUMMER 2025 Portage learning

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CHEM 212 Module 1-4 Problem set SUMMER 2025 Portage learning/CHEM 212 Module 1-4 Problem set SUMMER 2025 Portage learningCHEM 212 Module 1-4 Problem set SUMMER 2025 Portage learningCHEM 212 Module 1-4 Problem set SUMMER 2025 Portage learningCHEM 212 Module 1-4 Problem set SUMMER 2025 Portage learningCHEM 212 Module 1-4 Problem set SUMMER 2025 Porta

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CHEM 219 Lab Experiment 5 SUMMER 2025 Portage learning

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Experiment #: 5 Title: Column Chromatography – Separation and Isolation of Pigments from Spinach Leaves Purpose: To demonstrate the use of column chromatography, to isolate and analyze the different pigment classes found in spinach leaves. The goal is to separate and identify carotenoids and chlorophylls using column chromatography and assess the efficiency of the separation through thin layer chromatography (TLC). Procedure: • Preparation of Pigment Extract: o Tear 3.5 grams of fr...

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CHEM 212 Module 4 problem set SUMMER 2025 Portage learning

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Is the following molecule an aldose or ketose? Briefly explain. Your Answer: Ithink its a ketose because ofthe C=O, on the third carbon ketose. There is a C=O on the third carbon from the top

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CHEM 212 Module 3 problem set SUMMER 2025 Portage learning

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Name three differentfunctions of proteins. Your Answer: Proteins can function to transport, provide structure and are involved in hormones. Transport, hormones, catalysis, structure, and protection Question 2 0 / 0 pts Whatfunction does a protease have? Your Answer: Proteases functions for degradation/catabolism of proteins.

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CHEM 212 Module 2 problem setSUMMER 2025 Portage learning

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What is the shape of water? Your Answer: bent, the bond angle is 104.5 degrees Bent. The bond angle is 104.5 degrees. Question 2 0 / 0 pts What is autoionization, and how is it important for water? Your Answer: This refers to the compounds ability to form ions by reacting with itself. These ions influence the chemistry of water

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CHEM 212 Module 1 problem set SUMMER 2025 Portage learning

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What are three ways that biochemists study biological organisms? Your Answer: 1. the relationship between structure and function of biomolecules 2. chemical reactions of organisms, i.e. metabolism 3. communication within and among organisms Biochemists study 1)the relationship between structure and function of biomolecules, 2) chemical reactions of organisms (metabolism), and 3) communication within and among organisms.

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BIOD 101 Flashcards Digestive and Macronutrients SUMMER 2025 Portage learning

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Involuntary muscle contractions that move food along the digestive tract. A watery mixture of partially digested food and gastric juices formed in the stomach. Finger-like projections in the small intestine that increase surface area for absorption.

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BIOD 101 AP Test 2 SUMMER 2025 Portage learning

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1. How many Lobes does the right human lung have? 3 lobes 2. A) Air and Food pass in which of the following areas : Oropharynx B) Air (and NOT food) Pass in which of the following areas: Nasopharynx 3. Rings of cartilage line much of the respiratory tract. In which of one the following would cartilage NOT be found? D: Alveoli 4. Label the following in the Diagram: A) Nasal Cavity B) Oral Cavity C) Soft Palette D) Epiglottis E) Glottis F) Trachea G) Esophagus 5. A) Explain what...

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BIOD 151 Module 5 exam Portage learning Spring 2025

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Fill in the following OIAN muscle chart (10 blank spaces): Muscle, Origin, Insertion, Action Innervation Psoas Major 1.______ 2.______ -------- ---------- Obturator externus ---------- ---------- 3._______ 4._________ Semimembranosus 5._______ _ 6.______ _ 7._______ ------------- Flexor hallucis longus 8._______ _ ---------- 9._______

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