# Can energy be absorbed when matter changes?

Yes, energy can either be absorbed or given off when matter changes state, while the temperature of the system remains constant

Endothermic changes are those in which energy is absorbed; melting ice into water, boiling water into steam, and sublimating ice into steam are a few examples of possible state changes that show endothermic changes.

Exothermic changes are those in which energy is released. Condensation of steam into water, freezing of water into ice, and deposition of steam into ice are a few states that could exhibit exothermic changes.

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Yes, energy can be absorbed or released when matter undergoes a change. This is described by the principle of conservation of energy.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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- If a spring has a constant of #2 (kg)/s^2#, how much work will it take to extend the spring by #56 cm #?
- The force applied on a moving object with a mass of #2 kg # on a linear path is given by #F(x)=x^2+1 #. How much work would it take to move the object over #x in [1,4 ] #?

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