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      <title>과학(3-3)화학반응에서의 에너지 출입 by 선생님전일</title>
      <link>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48</link>
      <description></description>
      <language>en-us</language>
      <pubDate>2024-04-04 01:32:01 UTC</pubDate>
      <lastBuildDate>2024-04-05 05:26:21 UTC</lastBuildDate>
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         <title>&lt;예시&gt; 발열반응: 나무가 연소할 때 열에너지와 빛에너지를 방출한다.</title>
         <author>2024jimspad1</author>
         <link>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942495030</link>
         <description><![CDATA[<p>화학반응 : 나무 + 산소 -&gt; 재 + 이산화탄소 + 물 + 열에너지 + 빛에너지</p>]]></description>
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         <pubDate>2024-04-04 01:34:19 UTC</pubDate>
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      <item>
         <title>발열반응1</title>
         <author>2024jimspad1</author>
         <link>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942497323</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-04 01:36:10 UTC</pubDate>
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      <item>
         <title>발열반응2</title>
         <author>2024jimspad1</author>
         <link>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942497532</link>
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         <pubDate>2024-04-04 01:36:19 UTC</pubDate>
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      <item>
         <title>흡열반응1</title>
         <author>2024jimspad1</author>
         <link>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942497655</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-04 01:36:25 UTC</pubDate>
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      <item>
         <title>흡열반응2</title>
         <author>2024jimspad1</author>
         <link>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942497878</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-04 01:36:34 UTC</pubDate>
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         <title>발열반응3 또는 흡열반응3</title>
         <author>2024jimspad1</author>
         <link>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942498164</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-04 01:36:47 UTC</pubDate>
         <guid>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942498164</guid>
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         <title>흡열반응</title>
         <author></author>
         <link>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942862303</link>
         <description><![CDATA[<p>흡열 반응 은 <strong>화학에서 계가 열을 흡수함으로써 진행되는 반응</strong>이다. 반대되는 반응은 발열 반응이다. 흡열 반응에 의해서 주위는 열을 뺏기고, 열이 반응에 사용됨에 따라서 생성물의 엔탈피는 반응물에 비하여 증가한다.</p>]]></description>
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         <pubDate>2024-04-04 06:45:34 UTC</pubDate>
         <guid>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942862303</guid>
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      <item>
         <title>30314이아진</title>
         <author></author>
         <link>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942862403</link>
         <description><![CDATA[<p>쿨팩 안의 물과 질산암모늄이 반응하면 질산암모늄이 녹으며 주변의 열을 흡수한다.</p><p>화학반응: 질산암모늄 +물 +열에너지 -&gt; </p>]]></description>
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         <pubDate>2024-04-04 06:45:39 UTC</pubDate>
         <guid>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942862403</guid>
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         <title>발열반응</title>
         <author></author>
         <link>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942862586</link>
         <description><![CDATA[<p>발열 반응은&nbsp;<strong>화학의 반응 과정에서 계가 열을 방출하는 반응</strong>으로, 반대되는 개념은 흡열 반응이다. 발열 반응을 통해 계는 엔탈피의 형태로 열을 주위로 방출하며, 주위는 엔탈피의 형태로 열을 얻게 된다.</p>]]></description>
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         <pubDate>2024-04-04 06:45:48 UTC</pubDate>
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         <title>30309양진우 발열반응 핫팩</title>
         <author></author>
         <link>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942866946</link>
         <description><![CDATA[<p>핫팩의 원리는 바로 철(Fe)의 산화 발열반응이다.철 가루가 산소와 만나 빨리 산화반응을 일으키고 몇 분내 온도가 30℃에서 60℃까지 올라가게 된다 </p>]]></description>
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         <pubDate>2024-04-04 06:48:42 UTC</pubDate>
         <guid>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942866946</guid>
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      <item>
         <title>오단우(군대식량)</title>
         <author></author>
         <link>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942867045</link>
         <description><![CDATA[<p>마그네슘과 철과 물이 만나면 열이 나는데 이것을 이용하여 밥을 데워먹는다. </p>]]></description>
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         <pubDate>2024-04-04 06:48:48 UTC</pubDate>
         <guid>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942867045</guid>
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      <item>
         <title>전서진</title>
         <author></author>
         <link>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942868949</link>
         <description><![CDATA[<p><strong>발열반응: 철과 산소랑 반응해서 열에너지를 방출한다</strong></p><p><strong>화학반응: 철+산소-&gt;산화철</strong></p>]]></description>
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         <pubDate>2024-04-04 06:50:13 UTC</pubDate>
         <guid>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942868949</guid>
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      <item>
         <title>30304 김주헌 흡열: 베이킹소다를 물에 녹이면 열이 흡수된다.        NaHCO₃+H₂O--&gt;CO₂+H₂CO₃</title>
         <author></author>
         <link>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942869044</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-04 06:50:18 UTC</pubDate>
         <guid>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942869044</guid>
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      <item>
         <title>30325 홍명운 발열반응</title>
         <author></author>
         <link>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942869388</link>
         <description><![CDATA[<p>철이 들어있는 핫팩이 산소를 만나면 산화하게 되는데 그 과정에서 열이 발생해 핫팩이 따뜻해진다.</p><p>철 + 산소 =&gt; 산화철 + 열</p><p>4Fe + 3O² =&gt; 2FeO³ + 열</p>]]></description>
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         <pubDate>2024-04-04 06:50:37 UTC</pubDate>
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      <item>
         <title>30319최가윤</title>
         <author></author>
         <link>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942869895</link>
         <description><![CDATA[<p>흡열반응: 냉장고</p><p>냉장고는 일반적으로 ’프레온‘이라는 냉매를 사용하는데, 프레온 가스는 증발열이 큰 물질이다. 따라서 프레온 가스를 고압으로 압축한 후 갑자기 팽창하면 기화하는데, 그때 외부의 열을 흡수해서 차가워진다.</p><p><br/></p>]]></description>
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         <pubDate>2024-04-04 06:51:02 UTC</pubDate>
         <guid>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942869895</guid>
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      <item>
         <title>최윤아</title>
         <author></author>
         <link>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942871354</link>
         <description><![CDATA[<p> 아이스팩: 아이스팩은 주위로부터 열을 흡수하여 차가운 상태를 유지하는데 사용되는데 이는 아이스팩 안에 들어있는 물이 녹는 과정에서 열이 흡수되기 때문이다</p>]]></description>
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         <pubDate>2024-04-04 06:52:09 UTC</pubDate>
         <guid>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942871354</guid>
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      <item>
         <title>30315 임수연 (발열도시락)</title>
         <author></author>
         <link>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942872725</link>
         <description><![CDATA[<p>발열 도시락과 함께 포장된 위의 재료인 미세한 철 가루 + 소금 활성탄이 든 봉투를 찢으면 공기 중의 산소기체가 들어가서 철(Fe)이 산화되어서 산화철(Fe203)이 되는 산화 발열반응을 이용한 원리이다.</p>]]></description>
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         <pubDate>2024-04-04 06:53:07 UTC</pubDate>
         <guid>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942872725</guid>
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         <title>발열반응 : 깁스를 할때 석고에서 열에너지가 발생한다 </title>
         <author></author>
         <link>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942873347</link>
         <description><![CDATA[<p>화학반응식 : 황산 칼슘 + 물 + 열에너지 =&gt; 소석고</p>]]></description>
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         <pubDate>2024-04-04 06:53:32 UTC</pubDate>
         <guid>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942873347</guid>
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         <title>30323표민석 발열반응</title>
         <author>pms091214_</author>
         <link>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942874437</link>
         <description><![CDATA[<p>CH₄ + 2O₂ → CO₂ + 2H₂O</p><p>가스레인지는 가스를 연소하여 열을 발생시킨다</p>]]></description>
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         <pubDate>2024-04-04 06:54:19 UTC</pubDate>
         <guid>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942874437</guid>
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      <item>
         <title>30312 유은성</title>
         <author></author>
         <link>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942875989</link>
         <description><![CDATA[<p>흡열반응, 일회용 냉각제 : 일회용 냉각제를 세게 쥐면 안에 있는 물주머니가 터지면서 염화암모늄과 반응해 차가워진다</p>]]></description>
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         <pubDate>2024-04-04 06:55:32 UTC</pubDate>
         <guid>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942875989</guid>
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      <item>
         <title>세포호흡 발열반응 (김채현)</title>
         <author></author>
         <link>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942877449</link>
         <description><![CDATA[<p>인간의 체내가 일정한 온도를 유지하고, 활동을 할 때 몸에 열이 나고, 산소가 많이 필요한 이유는 세포호흡 발열반응에서 찾을 수 있었습니다. C6H12O6+6O2 -&gt; 6CO2+12H2O</p>]]></description>
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         <pubDate>2024-04-04 06:56:39 UTC</pubDate>
         <guid>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942877449</guid>
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      <item>
         <title>30318조성재:흡열반응:탄산칼슘 분해</title>
         <author></author>
         <link>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942881347</link>
         <description><![CDATA[<p>탄산칼슘을 가열하여 분해하는 과정에서 주변의 열을 흡수한다</p>]]></description>
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         <pubDate>2024-04-04 06:59:38 UTC</pubDate>
         <guid>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2942881347</guid>
      </item>
      <item>
         <title>30316장동준</title>
         <author></author>
         <link>https://padlet.com/jeoilmiddleschool1/dfeavtzmulbeuq48/wish/2943294303</link>
         <description><![CDATA[<p><br/></p><p>석탄 연소 반응: 석탄의 주요 성분인 탄소(C)가 산소(O2)와 반응하여 이산화탄소(CO2)를 생성하며, 열을 방출합니다. C + O2 → CO2 + 열</p><p><br/></p>]]></description>
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         <pubDate>2024-04-04 13:46:44 UTC</pubDate>
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