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What phase of matter has a definite size and volume but not a definite shape?
Solids are the only phase of matter which have a fixed shape and volume.
Why the temperature remain constant altough heat is absorbed from surrounding?
That will not happen unless matter is undergoing a phase change and the temperature you are measuring is that of the matter undergoing the phase change.
Physical change that ocurs when matter changes to another phase?
Shape and volume
What state of matter does not change in volume?
A solid is a state of matter that does not change in volume because the particles are closely packed together and have fixed positions.
When a substance undergoes a phase change it still has a definite A mass B shape C volume D temperature?
C. volume. During a phase change, the substance's volume remains constant even though there may be a change in its mass, shape, or temperature.
A change of phase takes place at a constant what?
A change of phase takes place at a constant temperature.
How does the conservation of matter relate to phase changes?
The conservation of matter principle states that matter cannot be created or destroyed in a chemical reaction. In the context of phase changes, the total mass of a substance remains the same before and after a phase change occurs. This means that during a phase change, while the substance may change its physical state (solid to liquid, liquid to gas, etc.), the total amount of matter stays constant.
What phase of matter has a definite volume and shape?
Solid.
Do all phases of matter have a fixed mass?
Yes, all phases of matter have a fixed mass. Mass is a fundamental property of matter that remains constant regardless of the phase it is in (solid, liquid, gas, or plasma). Changing the phase of matter does not change its mass.
Which phase of matter a variable volume?
Gas.
Which physical state is described as having a variable shape and variable volume?
The volume of a gas is subject to change with temperature and pressure.
What state of matter has no fixed shape but has definite volume?
The state of matter that has no fixed shape but has a definite volume is a liquid. In a liquid, the particles are more loosely packed compared to a solid, allowing them to move and flow, taking on the shape of their container while maintaining a constant volume.
