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Does temperature have a base unit?
The SI base unit for temperature is Kelvin. This is determined by the absolute zero of a substance.
At a given temperature and pressure the physical state of a substance is determined by?
It's determined by the spacing of its atoms. If they are spaced close together in a rigid formation it's a solid. Somewhat spread out and fluid in formation is a liquid. Spaced far and very active in its motion is a gas.
Can only be determined by changing a substance?
Chemical properties can only be determined by changing a substance.
Can only determined by changing a substance?
Chemical properties can only be determined by changing a substance.
A can only be determined by changing a substance?
Chemical properties can only be determined by changing a substance.
Determind by motion and spacing of particles?
The substance's state (solid / liquid / gas), density, temperature, etc, is determined by motion and spacing of particles.
How is the relative density of an object determined?
Relative density is determined by the ratio of the density of a substance to the density of a reference substance.
What does the state of a substance depend on?
Typically pressure and temperature determine whether a substance is gas, liquid or solid. Some substances however are not easily forced into some of the states, and that is determined by by individual molecular qualities.
Why may the temperature of a substance change when energy is added?
Thermal energy of a substance is determined by the movement of the molecules and the potential energy of the arrangement of molecules. Heat transfer will stop when thermal equilibrium is reached. It depends upon the substance how long that takes.
The ph of a substance can be determined by using a device called what?
If the substance is in liquid form, the pH may be determined by litmus paper.
What can be determined by changing a substance?
its property
Does temperature affect floatation?
Yes. Temperature affects the density of a fluid or gas. Flotation (or sinking) is determined by which substance is less dense. A hot air balloon of a given temperature will rise quicker in colder air and not at all in hotter air.
