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Pragmatist Philosophy for Critical Knowledge, Learning and Consciousness : A New Epistemological Framework for Education
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Viscosity Cup - NEW STYLE
19/02/19 We are now supplying a new style of Viscosity cup - colorobbia clear glaze should run 11-13 seconds. MPN FORD 4
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Understanding Teaching and Learning in Primary Education
This textbook gives you guidance and insights into the knowledge, values and commitments necessary to succeed in the primary classroom, supported by links to theory and research literature and realistic scenarios you may encounter as a new teacher. Fully updated throughout, key features of this second edition include:· A new chapter on inclusive education· Newly expanded coverage of digital learning, engaging with educational research and the role of the primary teacher· New ‘View from Practice’ examples· Cross-referenced links to the Teachers’ Standards in England and the GTCS Professional Standards in Scotland and where they are covered within the bookThis is essential reading for professional studies modules on primary initial teacher education courses, including university-based (PGCE, PGDE, BA QTS, BEd), school-based (SCITT, School Direct) and employment-based routes into teaching.
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What is viscosity?
Viscosity is a measure of a fluid's resistance to flow. It is a property that describes how thick or sticky a fluid is. High viscosity fluids are thick and resist flowing easily, while low viscosity fluids are thin and flow more easily. Viscosity is influenced by factors such as temperature, pressure, and the composition of the fluid.
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How is viscosity defined?
Viscosity is defined as the measure of a fluid's resistance to flow. It is a measure of the internal friction within a fluid, which determines how easily the fluid can flow. The higher the viscosity, the more resistant the fluid is to flow, and the lower the viscosity, the easier the fluid can flow. Viscosity is an important property in various industries, such as in the manufacturing of products like paints, food, and pharmaceuticals, as well as in the study of fluid dynamics and the behavior of fluids.
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What does viscosity mean? Answer: Viscosity describes how thick the liquid is.
Viscosity is a measure of a fluid's resistance to flow. It is a measure of how thick or sticky a liquid is, and it is often described as the fluid's "thickness." The higher the viscosity, the slower the liquid flows. Viscosity is an important property in various industries, such as food, pharmaceuticals, and oil, as it can affect the performance and behavior of the liquids.
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How do I calculate viscosity?
Viscosity is typically calculated by measuring the time it takes for a fluid to flow through a specific apparatus, such as a viscometer. The viscosity of a fluid is then determined using the formula: viscosity = (2 * (density of the fluid) * (ball radius)^2 * (ball density) * (g) * (t))/(9 * (ball velocity)), where t is the time taken for the ball to fall through the fluid, g is the acceleration due to gravity, and the other variables are properties of the fluid and the apparatus. Alternatively, viscosity can also be calculated using the formula: viscosity = (shear stress) / (shear rate), where shear stress is the force applied to the fluid and shear rate is the rate at which the fluid is deformed.
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What is viscosity in chemistry?
Viscosity in chemistry refers to the measure of a fluid's resistance to flow. It is a property that describes how easily a liquid can flow, and is influenced by factors such as temperature and molecular structure. High viscosity fluids are thick and resistant to flow, while low viscosity fluids are thin and flow easily. Viscosity is an important property in various chemical and industrial processes, as it affects the behavior and performance of liquids.
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Which alkane has a greater viscosity?
The viscosity of an alkane increases with the increase in molecular weight. Therefore, the alkane with a greater molecular weight will have a greater viscosity. For example, among the straight-chain alkanes, octane (C8H18) will have a greater viscosity than butane (C4H10) due to its higher molecular weight.
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What is the viscosity of supercritical fluids?
The viscosity of supercritical fluids is typically lower than that of liquids but higher than that of gases. This unique property allows supercritical fluids to flow and diffuse through solids like a gas, while still having some solvent-like properties of a liquid. The viscosity of supercritical fluids can be adjusted by changing the temperature and pressure conditions, making them versatile solvents in various industrial processes such as extraction and chromatography.
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What is the viscosity of different alkanes?
The viscosity of different alkanes varies depending on their molecular weight and structure. Generally, alkanes with longer carbon chains have higher viscosities compared to alkanes with shorter chains. This is because longer carbon chains have more surface area for intermolecular interactions, leading to higher resistance to flow. Additionally, branching in the alkane structure can decrease viscosity by disrupting the ability of molecules to pack closely together.
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