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What determines the speed of the atoms and molecules of a particular substance?
- a)Size of the atoms and molecules
- b)Temperature of the substance
- c)None of the above
- d)Both A and B
Correct answer is option 'D'. Can you explain this answer?
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What determines the speed of the atoms and molecules of a particular s...
Factors determining the speed of atoms and molecules in a substance:
The speed of atoms and molecules in a substance is determined by both the size of the atoms and molecules and the temperature of the substance. Here's a detailed explanation:
Size of the atoms and molecules:
- The size of atoms and molecules plays a role in determining their speed.
- Smaller atoms and molecules tend to move faster than larger ones due to their lighter mass and higher kinetic energy.
- The speed of atoms and molecules can be influenced by factors such as atomic or molecular weight and atomic or molecular radius.
Temperature of the substance:
- Temperature is a measure of the average kinetic energy of atoms and molecules in a substance.
- When the temperature of a substance increases, the average kinetic energy and speed of the atoms and molecules also increase.
- This is because an increase in temperature leads to an increase in the vibrational, rotational, and translational motion of the atoms and molecules.
- Conversely, a decrease in temperature results in a decrease in the speed of the atoms and molecules.
Interaction between size and temperature:
- The speed of atoms and molecules is influenced by both the size and temperature.
- At a given temperature, smaller atoms and molecules will generally have higher speeds than larger ones.
- However, at the same size, an increase in temperature will cause all atoms and molecules to move faster.
Therefore, the speed of atoms and molecules in a particular substance is determined by both the size of the atoms and molecules and the temperature of the substance.
The speed of atoms and molecules in a substance is determined by both the size of the atoms and molecules and the temperature of the substance. Here's a detailed explanation:
Size of the atoms and molecules:
- The size of atoms and molecules plays a role in determining their speed.
- Smaller atoms and molecules tend to move faster than larger ones due to their lighter mass and higher kinetic energy.
- The speed of atoms and molecules can be influenced by factors such as atomic or molecular weight and atomic or molecular radius.
Temperature of the substance:
- Temperature is a measure of the average kinetic energy of atoms and molecules in a substance.
- When the temperature of a substance increases, the average kinetic energy and speed of the atoms and molecules also increase.
- This is because an increase in temperature leads to an increase in the vibrational, rotational, and translational motion of the atoms and molecules.
- Conversely, a decrease in temperature results in a decrease in the speed of the atoms and molecules.
Interaction between size and temperature:
- The speed of atoms and molecules is influenced by both the size and temperature.
- At a given temperature, smaller atoms and molecules will generally have higher speeds than larger ones.
- However, at the same size, an increase in temperature will cause all atoms and molecules to move faster.
Therefore, the speed of atoms and molecules in a particular substance is determined by both the size of the atoms and molecules and the temperature of the substance.
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What determines the speed of the atoms and molecules of a particular substance?a)Size of the atoms and moleculesb)Temperature of the substancec)None of the aboved)Both A and BCorrect answer is option 'D'. Can you explain this answer?
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