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JudyA flat line on a phase diagram indicates a phase transition occurring at a constant temperature and pressure. For example, a flat line on a gas-liquid equilibrium graph means that the substance is transitioning between the gas and liquid phases without changing temperature or pressure.
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What does the flat portion of the temperature time graph in the experiment of melting point indicates?
The flat portion of the temperature-time graph during the melting point experiment indicates that the substance is undergoing a phase change. As heat is being absorbed to break the intermolecular bonds and transform the solid into a liquid, the temperature remains constant until all of the substance has melted.
What does the phase change graph for water look like?
The phase change graph for water shows three main regions: solid (ice) melting into liquid water at 0°C, liquid water boiling into steam at 100°C, and steam condensing back into liquid water at 100°C. These transitions occur at stable temperatures and pressures.
Why does liquid water take the shape of the cup but solid ice cubes do not?
Liquid water takes the shape of its container due to its fluidity and ability to flow freely. In contrast, solid ice cubes do not conform to the shape of the container because their particles are locked in a fixed position due to the rigid structure of the solid.
What happens if liquid and solid mix?
When a liquid and solid mix, the solid may dissolve in the liquid if it is soluble. If the solid is insoluble, it may settle at the bottom of the container forming a suspension. Alternatively, the solid may remain separate from the liquid if it is less dense and floats on top.
What can you say about the volume of a solid?
The volume of a solid is the amount of space it occupies in three-dimensional space. It is typically measured in cubic units such as cubic meters or cubic centimeters. The volume of a solid can be calculated using mathematical formulas specific to the shape of the solid, such as the formula V = length x width x height for a rectangular prism.
