Solids, Liquids And Gases
Akopọ
Ice, water and steam are all the same substance, yet they look and behave completely differently. The reason lies not in new chemistry but in how the particles are arranged and how fast they move. Once you can picture those particles, the three states of matter make perfect sense.
In this lesson you will meet the kinetic particle theory, which describes matter as tiny particles in constant motion. You will learn how solids, liquids and gases differ in arrangement, movement and spacing of particles, and how heating or cooling drives the changes of state between them.
Awọn Afojusun
- State the distinguishing properties of solids, liquids and gases.
- Describe the structures of solids, liquids and gases in terms of particle separation, arrangement and motion.
- Describe changes of state in terms of melting, boiling, evaporating, freezing and condensing.
- Describe the effects of temperature and pressure on the volume of a gas.
- [Supplement] Explain changes of state in terms of kinetic particle theory, including the interpretation of heating and cooling curves.
- [Supplement] Explain, in terms of kinetic particle theory, the effects of temperature and pressure on the volume of a gas.
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Oriire fun ipari ẹkọ lori Solids, Liquids And Gases. Ni bayi ti o ti ṣawari naa awọn imọran bọtini ati awọn imọran, o to akoko lati fi imọ rẹ si idanwo. Ẹka yii nfunni ni ọpọlọpọ awọn adaṣe awọn ibeere ti a ṣe lati fun oye rẹ lokun ati ṣe iranlọwọ fun ọ lati ṣe iwọn oye ohun elo naa.
Iwọ yoo pade adalu awọn iru ibeere, pẹlu awọn ibeere olumulo pupọ, awọn ibeere idahun kukuru, ati awọn ibeere iwe kikọ. Gbogbo ibeere kọọkan ni a ṣe pẹlu iṣaro lati ṣe ayẹwo awọn ẹya oriṣiriṣi ti imọ rẹ ati awọn ogbon ironu pataki.
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- In which state are the particles closely packed in a regular pattern and only vibrating? A. Solid B. Liquid C. Gas D. Vapour Answer: A
- Which state has no fixed shape and no fixed volume? A. Solid B. Liquid C. Gas D. Crystal Answer: C
- Why can a gas be compressed much more easily than a solid? A. Gas particles are heavier B. Gas particles are far apart with large spaces C. Gas particles do not move D. Solid particles repel Answer: B
- The change from a liquid to a gas on heating is called: A. Freezing B. Melting C. Boiling D. Condensing Answer: C
- A change of state is best described as: A. A chemical change that makes a new substance B. A physical change that can be reversed C. A reaction that gives off a gas D. Always permanent Answer: B
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Awọn Iwe Itọsọna Ti a Gba Nimọran
Ẹ̀kọ́ síwájú láti àwọn orísun ṣíṣí
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Abala ìwé ẹ̀kọ́
Phase Transitions
Define phase transitions and phase transition temperatures
"Chemistry: Phase Transitions" 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/10-3-phase-transitions. Access for free at https://openstax.org/books/chemistry/pages/1-introduction
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Abala ìwé ẹ̀kọ́
The Kinetic-Molecular Theory
State the postulates of the kinetic-molecular theory
"Chemistry: The Kinetic-Molecular Theory" 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/9-5-the-kinetic-molecular-theory. Access for free at https://openstax.org/books/chemistry/pages/1-introduction
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