Bab 5 Flashcards

1
Q

Apakah maksud termokimia?

A

Kajian tentang perubahan haba semasa tindak balas kimia berlaku

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2
Q

Apakah kegunaan pek panas segera?

A

-membebaskan haba ke persekitarannya
-melegakan kekejangan otot
-menambah saiz lumen (kadar peredaran darah meningkat)

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3
Q

Apakah kegunaan pek sejuk segera?

A

-menyerap haba dari persekitaran
-mengurangkan bengkak luka
-menyingkirkan haba drpd keradangan tisu
-mengurangkan saiz lumen (membantu memberhentikan pendarahan)

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4
Q

Nyatakan 2 jenis tindak balas termokimia

A

-Eksotermik
-Endotermik

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5
Q

Berikan 2 contoh proses Eksotermik

A

Respirasi
Peneutralan asid dan alkali

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6
Q

Berikan 2 contoh proses Endotermik

A

Fotosintesis
membuat kek

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