Define a polymer - Study guides, Class notes & Summaries

1. Select the most suitable adhesive from the list below to complete the table in figure 1. [3 marks] You may only use an adhesive once. • Contact adhesive • Epoxy resin • PVA • Solvent cement Figure 1 Materials to be bonded Specific adhesive Plywood sheet to beech veneer HIPS (high impact polystyrene) sheet to acrylic rod Melamine formaldehyde veneer to MDF (medium density fibreboard) board 2. Stainless steel is an example of a metal alloy. (a) Give the meaning of ...

First action for a polymer spill - Answer Apply an absorbent to the spill such as sand or kitty litter and then sweep up the materials. Total discharge head includes - Answer Discharge pressure head + static discharge head + Velocity head (outlet) + Friction Head (discharge line) Where is the best location to collect a sample? - Answer A location that represents the entire waste stream or basin. What are the preservation and hold times for BOD samples? - Answer 48 hours at < ...

Mako 101 Test-Out Prep - Set 4 (Simplex Bone Cement) Bone cement is commonly referred to as PMMA. What does PMMA mean? - polymethylmethacrylate What are the two components of bone cement? - Polymer (powder) and monomer (liquid) Describe the chemical reaction that produces bone cement. - polymer absorbs the monomer and Benzoyl Peroxide initiates polymerization. Exothermic reaction generating heat. Cement hardens in PMMA. Define Viscosity. - Fluid's resistance to flow What do...

CLEP Biology Exam Questions and Answers 100% Pass Evolution - Answer- Evolution is the process of change that has transformed life on Earth DNA - Answer- Deoxyribonucleic acid: a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix Biology - Answer- The scientific study of life Eukaryotic Cell - Answer- A type of cell with a membrane-enclosed nucleus and membrane-enclosed organelles. Organisms with eukaryotic cells (protists, plant...

Summarize the general differences between macronutrients (carbohydrates, lipids, proteins) and micronutrients (vitamins and minerals) - ANSWER Macro Required in gram amounts, polymer, some essential, provide calories Micro Required in mg quantities, individual molecule, all essential, provide no calories Structure (vitamins are single units), Function (vitamins dont yield energy), food contents (micrograms not grams) List the fat-soluble and water-soluble vitamins, and describe how solub...

Evolution - CORRECT ANSWERS Evolution is the process of change that has transformed life on Earth DNA - CORRECT ANSWERS Deoxyribonucleic acid: a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix Biology - CORRECT ANSWERS The scientific study of life Eukaryotic Cell - CORRECT ANSWERS A type of cell with a membrane-enclosed nucleus and membrane-enclosed organelles. Organisms with eukaryotic cells (protists, plants, fungi, and anim...

First action for a polymer spill? - Answer-Apply an absorbent to dispel such as sand or kitty litter and then sweep up the materials Total discharge head includes? - Answer-Discharge pressure head + static discharge head + velocity head + friction head Where is the best location to collect a sample? - Answer-A location that represents the entire waste stream or basin Preservation and holding times for BOD samples - Answer-48 hours at<=6 degrees centigrade Define BOD - Answer-The rate a...

PCD Spring 2024 Exam 1 Indications of RBC Caries lesions (small to moderate) Esthetics (tooth color) Conservative (outline, shallow, round) Replacements of composites (questionable) Advantages of RBC Esthetics Conservative Adhesion to tooth structure Low thermal conductivity Elimination of galvanic issues Alternative to amalgam? What is necessary in amalgam preps? 90 degree CSM Reverse curve Adequate depth Buccal/lingual convergence Rounded internal line angles Retention for...

AQA A Level Biology-Biological Molecules Exam with Q & A Graded A Plus Define a monomer? ANSWER ~ one of many small molecules that combine to form a larger one known as a polymer Define a polymer? ANSWER ~ large molecule made up of repeating smaller molecules(monomer) 4 examples of monomers? ANSWER ~ Monosaccharides- Glucose, galactose ~ Nucleotides ~ amino acid ~ fatty acid or glycerol Define a hydroylsis reaction? ANSWER ~ the breaking down of large molecules into smaller...

BIOL1020 UQ Module 1 EXAM QUESTIONS (189 TERMS) WITH VERIFIED DEFINITIONS UPDATED 2024 What do cells have in common? Is the lipid bilayer semi-permeable? What is the most common form of energy? What are the different types of cells? What are the basic building blocks of cells? What are carbohydrates? Define a dehydration reaction from polymerisation Define polymer synthesis: hydrolysis A single unit of a sugar molecule is known as? Define Disaccharides? Many units of sugar molecules l...