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Test: Kinetic Particle Model of Matter - Year 11 MCQ


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10 Questions MCQ Test - Test: Kinetic Particle Model of Matter

Test: Kinetic Particle Model of Matter for Year 11 2024 is part of Year 11 preparation. The Test: Kinetic Particle Model of Matter questions and answers have been prepared according to the Year 11 exam syllabus.The Test: Kinetic Particle Model of Matter MCQs are made for Year 11 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Kinetic Particle Model of Matter below.
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Test: Kinetic Particle Model of Matter - Question 1
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What does the kinetic particle theory describe?

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It relates the movement of the particles to the energy in a system
Test: Kinetic Particle Model of Matter - Question 2
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It is assumed all collisions within a system are what?

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Assuming all collisions are elastic allows us to make a good approximation of the kinetic energy of the system, as we are not concerned with the losses in kinetic energy that occur due to heat released during collisions in the real world
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Test: Kinetic Particle Model of Matter - Question 3
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Which experiment shows how kinetic theory works?

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Brownian motion was first observed by the botanist Robert Brown who noticed the random movement of pollen grains in water but had no idea why this movement was taking place. We now can explain this as being caused by the constant random motion of water molecules colliding with the pollen grains. You may have seen it demonstrated at school using smoke
Test: Kinetic Particle Model of Matter - Question 4
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What does the kinetic energy of the particles in a system depend on?
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Particles at higher temperatures have a greater kinetic energy than when they were at a lower temperature
Test: Kinetic Particle Model of Matter - Question 5
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As a substance changes state from a liquid to a gas, the amount of energy the particles have …
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During this change the temperature remains the same but a lot of heat energy needs to be added in order to make the particles move fast enough to escape from the liquid
Test: Kinetic Particle Model of Matter - Question 6
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The molecules in a system are assumed to obey which laws?
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Newton's Laws of Motion are used to solve kinetic theory problems as they are simple to use and offer a good approximation to the solutions needed for a system
Test: Kinetic Particle Model of Matter - Question 7
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How large is the number of particles within a system in kinetic theory?
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The sample size needs to be large to be reliable
Test: Kinetic Particle Model of Matter - Question 8
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What physical property of a substance is directly related to the average kinetic energy of its particles?
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The average kinetic energy of particles in a substance is directly proportional to its temperature according to the kinetic theory of matter.

Test: Kinetic Particle Model of Matter - Question 9
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In which state of matter do particles have the least kinetic energy?
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Particles in a solid have the least kinetic energy among the states of matter because they are held in fixed positions and vibrate around their mean positions.

Test: Kinetic Particle Model of Matter - Question 10
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Which phenomenon explains why a perfume can be smelled at a distance from where it was sprayed?
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Diffusion, as described by the kinetic theory, explains the spreading of particles from an area of higher concentration to an area of lower concentration, allowing the perfume scent to spread through the air.

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