States Of Matter
Bayani Gaba-gaba
Everything around you, from the water in your glass to the air you breathe and the phone in your hand, exists as a solid, a liquid or a gas. The difference comes down to how particles are arranged, how much energy they carry, and how freely they can move.
In this lesson you will explore the particle model that explains each state, trace the energy changes behind melting, boiling, evaporation and sublimation, and see how diffusion and solubility experiments provide direct evidence for tiny, moving particles. These ideas underpin every reaction you will study later in the course.
Manufura
- understand the three states of matter in terms of the arrangement, movement and energy of the particles
- understand the interconversions between the three states of matter in terms of: - the names of the interconversions - how they are achieved - the changes in arrangement, movement and energy of the particles.
- understand how the results of experiments involving the dilution of coloured solutions and diffusion of gases can be explained
- know what is meant by the terms: - solvent - solute - solution - saturated solution.
- know what is meant by the term solubility in the units g per 100 g of solvent
- understand how to plot and interpret solubility curves
- practical: investigate the solubility of a solid in water at a specific temperature
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Takardar Darasi
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Nazarin Darasi
Barka da kammala darasi akan States Of Matter. Yanzu da kuka bincika mahimman ra'ayoyi da ra'ayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.
Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.
Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.
- Which state of matter has particles arranged in a regular pattern that vibrate about fixed positions? A) Gas B) Liquid C) Solid D) Plasma Answer: C
- What name is given to the change of state from solid directly to gas? A) Evaporation B) Condensation C) Sublimation D) Boiling Answer: C
- In which state of matter does diffusion happen fastest? A) Solid B) Liquid C) Gas D) All states at the same rate Answer: C
- A solution in which no more solute can dissolve at a given temperature is described as: A) Dilute B) Concentrated C) Saturated D) Supersaturated Answer: C
- What happens to the solubility of most solid solutes when the temperature of the solvent increases? A) It decreases B) It stays the same C) It increases D) It depends on pressure Answer: C
Yi aikin wadannan tambayoyi a cikin manhaja
Yi aikin wadannan tambayoyi a cikin manhaja
Littattafan da ake ba da shawarar karantawa
Ƙarin koyo daga tushe na buɗe
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Sashen littafi
Solubility
Describe the effects of temperature and pressure on solubility
"Chemistry: Solubility" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/chemistry/pages/11-3-solubility. Access for free at https://openstax.org/books/chemistry/pages/1-introduction
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