3. Using the Kinetic Molecular Theory of Matter explain what is happening to the liquid in a thermometer when it measures something that is hot. What about when it measures something that is cold

Answers

Answer 1

According to the Kinetic Molecular Theory of Matter, the temperature of a substance is directly proportional to the average kinetic energy of the particles that make up the substance.

When a liquid thermometer measures something that is hot, the particles in the hot substance have a higher kinetic energy than the particles in the liquid thermometer. This causes the particles in the liquid thermometer to gain kinetic energy and move faster. As they move faster, they take up more space, causing the liquid to expand and rise in the thermometer.

On the other hand, when a liquid thermometer measures something that is cold, the particles in the cold substance have a lower kinetic energy than the particles in the liquid thermometer. This causes the particles in the liquid thermometer to lose kinetic energy and move slower. As they move slower, they take up less space, causing the liquid to contract and fall in the thermometer.

Therefore, when a liquid thermometer measures something that is hot, the liquid expands and rises in the thermometer, and when it measures something that is cold, the liquid contracts and falls in the thermometer.

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Answer 2

When heated, the molecules of the liquid in the thermometer move faster, causing them to get a little further apart. This results in movement up the thermometer. When cooled, the molecules of the liquid in the thermometer move slower, causing them to get a little closer together.

Related Questions

Minerals can form in which of the following ways? (You may select multiple answers) IMAGE INCLUDED
regeneration
precipitation reactions
through plasma reactions
evaporation
cooling from hot liquids or magma

Answers

Minerals can form through evaporation and cooling hot liquids or magma

Answer: C and B

Explanation: Minerals can form through evaporation and cooling hot liquids or magma. Minerals can form on the surface through evaporation of solutions containing dissolved minerals. The minerals that make up the rocks around us formed through the cooling of molten rock, known as magma.

Organic compounds are compounds containing
A. carbon and nitrogen
B. hydrogen and nitrogen
C. carbon and helium
D. carbon and hydrogen

Answers

It’s D) carbon and hydrogen

The answer is D carbon and hydrogen

We all agree that electricity is important. In the space below, write a paragraph describing the advantages of the ability to use electronic technology over just electricity.

Answers

The ability to use electronic technology offers a number of advantages over, just using electricity alone. One of the main advantages is the ability to process store and transmit information. Electronic technology allows for the use of digital devices, such as computer, smart phones and tablets, which can from form complex calculations and process large amounts of data. This enables tasks, such as communication, data analyzing and automation to be perform more efficiently and accurately. Additionally, electronic technology, allows for the use of sensors and actuators, which can be used to control, monitor various processes such as in the field of automatics and robotics furthermore, electronic technology enables the integration of difference functions into one device, such a smart phones which can be used for communication navigation and entertainment. This leads to more compact, portable and convenient devices. Overall electronic technology has greatly expanded the capabilities and possibilities of using electricity, and making it a powerful tool in many areas of life.

Answer:

Explanation: Not only does technology allow students to access an array of online materials but also attend thousands of useful online learning courses. In addition, by using electronic devices, students can also sharpen their computer skills and become more autonomous learners. Secondly, using electronic devices can significantly aid the teaching process. Thanks to top-notch facilities such as projectors and interactive whiteboards, teachers can deliver lessons in a more vivid and lively way, engaging students in their lessons and creating a stimulating classroom environment. Finally, electronic devices can boost interaction.

Using the Kinetic Molecular Theory of Matter, explain what happens when a substance reaches Absolute Zero.

Answers

When a substance reaches Absolute Zero it ceases to exist. At absolute zero, there would be no vibrations or motion.

The Kinetic Molecular Theory of Matter is based on the principle that matter consists of tiny particles that are in constant motion or movement. The theory observes substances to understand their properties and behaviors.

The average motion of the particles of a substance decreases when it is consistently cooled to a certain temperature. At absolute zero it is expected to reach a state of rest where it completely stops the motion. Absolute zero is considered to be the temperature where the motion of these particles theoretically ceases to exist. It is not possible to achieve this temperature in a laboratory.

According to the theory, the higher the temperature to which the substance is treated, the faster will be the motion of the particles. Then, considering the absolute state of zero which is the initial temperature on the Kelvin scale of temperature, the substance will be at complete rest as there will not be any noticeable motion of the particles.

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