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the water cycle
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∙ 11y ago
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What A steep slope on a phase-change graph indicates?
Different
How can the law of conservation of matter be demonstrated?
When ice melts, its mass doesn't change. It just goes through a phase change and becomes water. Again, when water evaporates, it goes through a phase change and becomes water vapor. The conservation of mass is hence proved.
Is energy required for each phase change?
Yes energy reqired during each phase change process. solid to liquid(water) = 333.7 Kj/kg liquid to vapour(water) =2257.1Kj/kg
What happens in the phase change of condensation?
In the condensation phase change, a gas cools (loses energy) and changes to a liquid. Example: water vapor turns into liquid rain.
What causes the phase change of water when the particles have more space between them?
HEAT
A horizontal line on a phase change graph indicates?
A horizontal line on a phase change graph means there has been no change. Often longer periods of research are needed to see significant change.
Which graph best represents a change of phase from a gas to a solid?
A graph going down from GAS to SOLID best represents a change in phase from a gas to a solid.
A steep slope on a phase change graph indicates?
Heirhey
Why does the phase change graph show a flat line during the phase change?
It is because that is when the change is occurring, and the diagonal part is when the process has already happened
What A steep slope on a phase-change graph indicates?
Different
What does the phase change graph for water look like?
the graph would look like a normal heating curve however at 0 degrees celsius and 100 degrees celcius, there would be a flat line.
What is a phase change example of?
When ice melts and becomes water, that is a phase change. Same when water boils and becomes steam (a gas) that is also a phase change.
Type of energy on X axis of Phase change graph?
Thermal energy (heat)
What phase change causes water to evaporate?
This phase change is called evaporation.
The phase change of water to ice is called?
The phase change of water (liquid) to ice (solid) is called solidification.
Which part of the graph would indicate a phase change is place?
a steep upward sloping line
Could a phase graph with little temperature increase and a lot of heat be the same as latent heat?
Yes. Strictly speaking there should be no temperature change during a phase change.
