EXPERIMENT 5 GAS DIFFUSION COEFFICIENT OBJECTIVES: Determine the gas diffusion coefficient of acetone using the established Winkelmann’s method KEYWORDS Diffusivity‚ Gas Diffusion Coefficient‚ Winkelmann’s method OVERVIEW The knowledge of physical and chemical properties of certain materials is important because very often process engineering deal with the transformation and distribution of these materials in bulk. One such property is diffusivity. Mass transfer by diffusion takes place
Premium Liquid Diffusion Water
Answers to Questions Activity 1: Simulating Dialysis (Simple Diffusion) (pp. 2–4) 9. All solutes except albumin are able to diffuse into the right beaker. Using distilled water in the right beaker and either the 100 MWCO or 200 MWCO membrane will remove urea from the left beaker and leave albumin If the left beaker contains NaCl‚ urea‚ and albumin‚ you can selectively remove urea by dispensing a concentration of NaCl into the right beaker equivalent to that in the left beaker and by using
Premium Osmosis Chemistry Solution
Introduction Diffusion and osmosis are two types of passive transport. Diffusion is a random movement of molecules from an area of high concentration to an area of low concentration. Osmosis is a type of diffusion that diffuses water through a selectively permeable membrane. There were two parts to the experiment‚ the dialysis tubing lab and the potato lab. In the first experiment‚ the dialysis tubing acted as a semi-permeable membrane. A semi-permeable membrane is a membrane
Premium
charge that break apart in water to form a hydrogen ion. (H+) 4. What does it mean if a solution has more hydrogen ions (H+)? a. More acidic the solution is 5. What does it mean if a solution has more hydroxide ions (OH-)? a. Basic 6. What does it mean if a solution is neutral? a. The concentration of hydronium equals the concentration of hydroxide ions. 7. Explain the
Premium PH Acid Base
Nervous System and Sensory Organs • dorsal roots and ventral roots - connect Spinal nerves to the spinal cord • medulla -responsible for many involuntary functions such as heartbeat and breathing‚ primary communication pathway between the spinal cord and the rest of the brain‚ • cerebellum - receives input from multiple sensory receptor types and uses this information in coordination of complex body movements • pons- communication between lower and higher brain regions • midbrain- processes
Premium Polymerase chain reaction DNA DNA replication
Biology 1010 8/27/13 Life: * Order: Pine Cone‚ Bacteria – where things are * Regulation: Regulate their internal environment * Maintain homeostasis * Ex. Breath‚ too much CO2‚ changes pH Sends message to brain * Growth and development: Definite pattern to growth and development * Directed by DNA (genetic material where the genes are found) * Energy processing: All organisms must have energy * Humans: Food (Heterotrophs = other-feeding (fungi and
Premium Cell Bacteria Protein
organisms‚ largely green plantswhich are able to manufacture food from simple inorganic substances. 5. Macroconsumer or phagotrophs (Phago-To eat) Heterotrophic organisms chiefly animals‚ Which ingest other organisms or particulate organic matter. 6. Microconsumer‚ Saprotrophs (Sapho-Decompose) or osmotrophs (Osmo-to pass through membrane) heterotrophic organisms chiefly bacteria and fungi which breakdown the complex compound of dead protoplasm‚ absorbs some of the decomposition products‚ and release
Premium Ecology Plant Organism
Marine biology is more than the scientific study of marine life. Marine biology is the study of marine organisms‚ their behaviors‚ and interactions with the environment. Marine biologists study oceanography and the associated fields of chemical‚ physical‚ and geological oceanography. Marine biologists are also able to specialize in large aquatic animals‚ all the way down to microscopic and minuscule organisms. Anything else in between‚ marine biologists are able to study. Marine biology is known
Premium Biology Marine biology Species
Bio 101 Chapter 1 Diversity of Life 3 Domains / 6 Kingdoms Archaea / Archaea Bacteria / Bacteria Eukarya / Protista‚ Plantae‚ Fungi‚ Animalia Kingdom Archaea: Prokaryotes; Ancient Bacteria Kingdom Bacteria: Prokaryotes; Common Bacteria Kingdom Protista Eukaryotes; Unicellular organisms (small) Algae (unicellular‚ colonial‚ small or multicellular‚ Large) Kingdom Fungi Eukaryotes; Non-photosynthetic‚ multicellular (except yeast)‚ External
Premium Eukaryote Bacteria Cell
B io Factsheet September 2000 Number 76 The Eukaryotic cell cycle and Mitosis This Factsheet covers the relevant AS syllabus content of the major examining boards. By studying this factsheet the candidate will gain a knowledge and understanding of: • the different phases of the eukaryotic cell cycle (a eukaryotic cell has membrane bound organelles) • the importances of mitosis • the process of mitosis The eukaryotic cell cycle Fig 2. Quantity of DNA in the cell during different
Premium Mitosis Cell cycle Chromosome