Question

explain the change of heat energy in a physical change?​

Answer 1

Answer:

chemical reaction or physical change is exothermic if heat is released by the system into the surroundings. Because the surroundings is gaining heat from the system, the temperature of the surroundings increases. ... For example, when solid dry ice vaporizes (physical change), carbon dioxide molecules absorb energy.

Answer 2

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ᵉˣᵖˡᵃⁱⁿ ᵗʰᵉ ᶜʰᵃⁿᵍᵉ ᵒᶠ ʰᵉᵃᵗ ᵉⁿᵉʳᵍʸ ⁱⁿ ᵃ ᵖʰʸˢⁱᶜᵃˡ ᶜʰᵃⁿᵍᵉ.

ᵉˣᵖˡᵃⁿᵃᵗⁱᵒⁿ:

ᵗʰᵉ ᶜʰᵃⁿᵍᵉ ᵒᶠ ʰᵉᵃᵗ ᵉⁿᵉʳᵍʸ ⁱⁿ ᵃ ᵖʰʸˢⁱᶜᵃˡ ᶜʰᵃⁿᵍᵉ :

ʷʰᵉⁿ ᵃ ˢᵘᵇˢᵗᵃⁿᶜᵉ ᶜʰᵃⁿᵍᵉˢ ⁱᵗˢ ˢᵗᵃᵗᵉ ᶠʳᵒᵐ ˢᵒˡⁱᵈ ᵗᵒ ˡⁱᵠᵘⁱᵈ ⁱᵗ ᵃᵇˢᵒʳᵇˢ ʰᵉᵃᵗ ᵉⁿᵉʳᵍʸ ᵃⁿᵈ ʷʰᵉⁿ ⁱᵗ ᵇᵉᶜᵒᵐᵉˢ ˢᵒˡⁱᵈ ᵗᵒ ˡⁱᵠᵘⁱᵈ ⁱᵗ ᵗᵃᵏᵉˢ ʰᵉᵃᵗ ᵉⁿᵉʳᵍʸ.

ˢⁱᵐⁱˡᵃʳ ⁱˢ ⁱⁿ ᵗʰᵉ ᶜᵃˢᵉ ᵒᶠ ˡⁱᵠᵘⁱᵈ ᵃⁿᵈ ᵍᵃˢᵉˢ.

ˢᵒˡⁱᵈˢ ʰᵃᵛᵉ ˢᵗʳᵒⁿᵍ ⁱⁿᵗᵉʳᵐᵒˡᵉᶜᵘˡᵃʳ ᶠᵒʳᶜᵉ ᵒᶠ ᵃᵗᵗʳᵃᶜᵗⁱᵒⁿ ᵃˢ ᶜᵒᵐᵖᵃʳᵉᵈ ᵗᵒ ˡⁱᵠᵘⁱᵈ ᵃⁿᵈ ᵍᵃˢ .

ᵒʳᵈᵉʳ ᵒᶠ ⁱⁿᵗᵉʳᵐᵒˡᵉᶜᵘˡᵃʳ ᶠᵒʳᶜᵉ ᵒᶠ ᵃᵗᵗʳᵃᶜᵗⁱᵒⁿ ʷⁱˡˡ ᵇᵉ :

ˢᵒˡⁱᵈˢ> ˡⁱᵠᵘⁱᵈˢ >ᵍᵃˢᵉˢ.

ᵐᵒʳᵉ ᵗʰᵉ ⁱⁿᵗᵉʳᵐᵒˡᵉᶜᵘˡᵃʳ ᶠᵒʳᶜᵉ ᵒᶠ ᵃᵗᵗʳᵃᶜᵗⁱᵒⁿ ,ᵐᵒʳᵉ ˢᵗʳᵒⁿᵍ ᵗʰᵉ ᵐᵒˡᵉᶜᵘˡᵉˢ ᵃᵗᵗᵃᶜʰᵉᵈ ᵗᵒ ᵉᵃᶜʰ ᵒᵗʰᵉʳ.