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What kind of energy is involved when the matter changes state?
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∙ 14y ago
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How does change of state take place?
for a state change to happen it must lose or gain or loose kinetic energy
Can heat energy change a gas to other state?
Yes. Extremely high temperatures can change a gas to the plasma state.
Can heat energy change a gas to another state?
Yes. Extremely high temperatures can change a gas into the plasma state.
When a pure substance is heated or cooled but does not change state the energy as heat is the what?
chemical change
During a change in state energy is transferred in the form of?
Usually in the form of increased or decreased kinetic energy of the molecules and added or reduced inter-molecular potential energy. Which way it goes depends on the direction of change in state.
What change of state and what energy changes occur when water freezes?
the state change is from liquid to solid and the energy change is cold energy to heat energy
Which is a negative impact of the use of ethanol for energy?
Climate change
What is a negative impact of the use of ethanol for energy?
Climate change
When substances are given energy they may change state This is a physical change If they do not receive enough energy to change state they will still experience a physical change What is this call?
heating
The change in which ice absorbs energy and melts is?
An endothermic change; or a change of state. Endothermic because it absorbs energy. Change of state because ti changes from a solid to a liquid.
What does the law of conservation of mass - energy state?
It states that energy can change but mass can not change Chuma.C
Is a negative impact of the use of fossil fuels for energy apex?
climate change
Which type of energy is stored as a result of a change in position or condition?
Potential Energy (change of position) and latent energy (change of state condition as freezing)
How is energy transferred when there is a change of state?
heat
A change of state in which energy is removed from a substance is called an?
A change of state where energy is removed from a substance is called an exothermic reaction. This chemical reaction releases energy in the form of light or heat.
Which change in state requires that energy be added to the substance?
A phase change from solid to liquid requires energy .likewise a liquid will vaporise into the gaseous state after appropriate increase in energy.
How do energy and changes in energy change the state of matter?
When heating a substance the substance's molecules gain kinetic energy, this leads to chemical bonds being broken and thus a change of state.
