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What happens to the energy of the environment when a substance goes from on state to another?
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What happens to the kinetic energy of the particles in the substance during process condensation?
The average kinetic energy of the particles falls.
What happens to molecular energy when a substance changes states?
The molecular energy will usually increase or decrease, depending on the exact situation.
What happens to usable energy?
In any transfer of energy or conversion of energy from one form to another, the total amount of energy does not change. The total amount of usable energy, however, always decreases.
How can a matter change from solid state to liquid state and reverse the process?
At a unique temperature, called the "freezing point", for each pure substance at a constant pressure, a solid form of the substance can change from solid to liquid phase by absorbing heat energy from its environment without raising the temperature of the substance, and, at the same temperature and pressure, a liquid phase of the same substance, can solidify without changing its temperature if it can transfer heat energy to the external environment.
What happens to the temperature of a solid when it is heated?
Heat affects the properties by speeding up the particles and providng them with more energy. As they heated the bounce off one another and expand the solid. When it's cold, The particles have less energy and don't move as much, This results in contraction and the solid shrinks. Basically, Heat ---> expansion Cooling -----> contraction
What is energy transformation and the environment?
Energy transformation is straight-forward in meaning that energy transfers from one thing to another. This happens most often in the environment.
When a substance loses energy to its surrounding environment?
exothermic
What thermal energy moving from one substance to another?
Heat is thermal energy moving from one substance to another.
When a substance changes state what happens to its thermal energy?
Changes the temperature of the substance
What happens to the thermal energy of a substance as its temperature increases?
When a sample of a substance absorbs thermal energy, its temperature rises.
When a substance melt what happens to its overall energy?
It increases
What best describes the enthalpy of formation of a substance?
The energy change that happens when a substance forms from its elements (APEX)
A description of how much thermal energy is transferred from one substance to another is?
a description of how much thermal energy is transferred from one substance to another is
What happens if the kinetic energy of a substance increases?
your fat cat
When a substances cools it loses what energy to its surrounding?
When a substance cools, it loses thermal energy to its surrounding environment.
What is the chemical energy is?
Generally chemical energy can be defined as the aptitude of a substance to be transformed in another substance by a chemical reaction.
What happens when a substance change states?
When a substance changes state, Energy within the substance is gained or lost, but the composition is unchanged.
