No. "Amount of substance" sounds more like a description of MASS, which is not the same as WEIGHT. The relationship is:weight = mass x gravity
("Amount of substance" may also refer to the amount of moles.)
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No. "Mass" is the amount of substance in something. It doesn't change.
"Weight" is the strength of the gravitational forces between two objects. It depends on
the distance between them, and the mass of both of them. So, even though the mass of
one object doesn't change, its weight changes, depending on the mass of the other object
and the distance between them.
No, weight is the force exerted on an object due to gravity. The amount of substance in something is typically measured by its mass.
The term for the amount that something weighs is "weight." Weight is a measure of the force of gravity acting on an object.
Mass is the amount of matter in an object, measured in kilograms, while weight is the measure of the force of gravity pulling on an object, measured in newtons. Mass remains constant regardless of location, but weight can change depending on the strength of gravity.
The measure of the amount of matter in a substance is its mass. Mass is a measure of the quantity of matter in an object and it is constant regardless of the object's location. Weight, on the other hand, is the force of gravity acting on an object's mass, and it can change depending on the object's location in the universe. Density, meanwhile, is the mass of a substance per unit volume, which helps determine how tightly packed the matter is in the substance.
The amount of substance in an object, or its mass, remains constant regardless of the gravitational field it is in. Mass is a measure of the amount of matter in an object, whereas weight depends on the gravitational field strength. In different gravitational fields, an object's weight may change without affecting its mass.
Weighing by difference is necessary to accurately determine the amount of the substance being measured, as it accounts for any impurities or moisture that may be present. By subtracting the initial weight of the container from the final weight of the container with the substance, we obtain the weight of the substance itself. This method ensures the measurement is more precise and reliable.