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The volume of a substance increases when heated
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What is an increase in an objects volume when its heated?
When an object is heated, its particles gain energy and move faster, causing the object to expand. This increase in volume is a result of the increased average distance between the particles, leading to the object occupying more space.
What happen to an object when heated?
When an object is heated, the kinetic energy of its particles increases, causing them to move faster and spread out. This expansion can lead to a change in the object's physical state (solid to liquid to gas) or its volume. Additionally, heating can break or weaken the bonds between particles, altering the object's chemical properties.
Does an object's volume change when cut in half?
No, an object's volume remains the same when it is cut in half. The volume of an object is determined by its dimensions and does not change when it is divided into smaller pieces.
When an object is heated what is it's decrease in volume called?
The decrease in volume of an object when it is heated is called thermal expansion. This occurs because the molecules within the object gain energy and move faster, causing them to spread out and take up more space.
Does the volume of an object change if the size of the object changes?
No, the volume of an object does not change when its size changes. The volume is a fixed measure of the amount of space that the object occupies and is calculated using specific dimensions. Changing the size of the object would involve altering these dimensions but would not impact the volume.
What can change a shape but doesn't change the volume?
Compression or stretching can change the shape of an object without changing its volume. When an object is compressed or stretched in one direction, its shape is altered but the volume remains constant.
How can volume change if a substance undergoes a chemical change?
If a substance undergoes a chemical change, its properties change. For example, water, when heated turns into a gas which has a higher volume.
How can you change volume of an object?
move it around
How do you change density of an object?
by increasing its volume
What will change the density of an object?
The density of an object is determined by its mass and volume. If the mass of the object increases and its volume stays the same, the density will increase. If the volume of the object increases and the mass stays the same, the density will decrease.
Does the density of an object increase or decrease when heated?
When an object is heated, its atoms vibrate faster and take up more space. This leads to a decrease in density, as the mass stays the same but the volume increases.
Find the change in volume of an aluminium sphere of 0.4m radius when it is heated from 0 to 100degree centigrade?
The change in volume of an object due to temperature change is given by the coefficient of volume expansion (α), which for aluminum is about 0.000023 per degree Celsius. Given the initial temperature change from 0 to 100 degrees Celsius, the total change in volume can be calculated using the formula: ΔV = V * α * ΔT, where V is the initial volume, α is the coefficient of volume expansion, and ΔT is the change in temperature. Substituting the values, you can find the change in volume of the aluminum sphere.
