Q:

# How many cubic meters equals 1 tonne?

A:

A cubic meter is a unit of volume, while a tonne is a unit of mass. Thus, the amount of volume required to equal 1 ton of mass depends entirely upon the density of the substance measured. For example, a cubic meter of water at roughly 4 degrees Celsius weighs 1 tonne. A tonne, also known as a metric ton, equals 1000 kilograms, or nearly 2,204 pounds.

## Keep Learning

A cubic meter of solid stone weighs significantly more than 1 tonne, while a cubic meter of cotton candy hardly weighs anything at all. Even the temperature of the water is important, as water expands as it is either heated or cooled from 4 degrees Celsius.

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## Related Questions

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Chemists use the mole unit because, in chemistry, it is often important to speak in terms of number of atoms or molecules rather than in terms of mass or volume. However, it is difficult and inconvenient to directly speak in absolute number of atoms. The mole also provides an easy base from which to convert to units of mass and back again.

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• A:

Density and mass are mutually dependent physical properties, with density being equal to the amount of mass per unit of volume of any particular object or substance. The mass of any object depends entirely on its overall density, with denser objects having greater mass, for the same volume, than less-dense objects. The mass of an object with uniform composition changes if pieces are added or removed, but its density remains constant. Meanwhile, barring any melting or evaporation, the density of an object tends to change with changes in temperature, while the mass remains the same.

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• A:

Density is defined as mass per unit volume, so it is necessary to measure both the weight and volume of an object to determine its density. Use a scale to measure the object's weight. A ruler can be used to measure the dimensions of an object and calculate its volume.