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      <title>1단원 개념도(3-11: 류보연, 박소린, 박소현, 김동하, 김설빈) by 교사조혜승</title>
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      <description>1단원의 개념도를 작성하여 내용을 정리해보세요!</description>
      <language>en-us</language>
      <pubDate>2021-04-29 07:18:22 UTC</pubDate>
      <lastBuildDate>2023-03-16 07:14:12 UTC</lastBuildDate>
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         <title>1. 물질의 변화</title>
         <author></author>
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         <pubDate>2021-04-30 05:43:34 UTC</pubDate>
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         <title>2. 화학반응의 규칙과 에너지 변화</title>
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         <pubDate>2021-04-30 05:43:35 UTC</pubDate>
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         <title>화학반응에서의 질량변화</title>
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         <pubDate>2021-04-30 05:43:59 UTC</pubDate>
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         <title>3. 기체끼리의 반응에서 규칙성은</title>
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         <pubDate>2021-04-30 05:44:09 UTC</pubDate>
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      <item>
         <title>4. 화학 반응이 일어날 때 에너지는</title>
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         <pubDate>2021-04-30 05:44:33 UTC</pubDate>
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         <title>화합물을 이루는 원소 질량비</title>
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         <pubDate>2021-04-30 05:45:02 UTC</pubDate>
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         <title>물리 변화</title>
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         <description><![CDATA[<div>물리변화란 : 성질은 변하지 않고, 모양이나 상태만 변화하는 현상</div>]]></description>
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         <pubDate>2021-04-30 05:45:39 UTC</pubDate>
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         <title>화학 변화</title>
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         <description><![CDATA[<div>화학 변화란 : 물질이 반응하여 새로운 물질이 생성되는 변화,<br>원자의 배열이 바뀌어 새로운 분자가 되는 것</div>]]></description>
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         <title>기체 반응 법칙(게이뤼삭)</title>
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         <description><![CDATA[<div>온도와&nbsp;압력이 일정할 때 기체들이 반응하여 새로운 기체가 생성되는 반응에서 반응하는 기체의 부피 사이에 간단한 정수비가 성립한다.</div>]]></description>
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         <pubDate>2021-04-30 05:48:37 UTC</pubDate>
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         <title>화학 반응식</title>
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         <description><![CDATA[<div>화학 반응식이란:화학 반응을 반응 물질과 생성 물질의 화학식과 기호를 이용하여 나타낸것</div>]]></description>
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         <pubDate>2021-04-30 05:49:19 UTC</pubDate>
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         <title>질량보존법칙</title>
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         <description><![CDATA[<div>반응물질의&nbsp;총질량+생성물질의 총 질량</div>]]></description>
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         <pubDate>2021-04-30 05:49:25 UTC</pubDate>
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         <title>성립하는 까닭</title>
         <author></author>
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         <description><![CDATA[<div>화학반응이일어날때 물질을 이루는 원자의 종류와 개수가 변하지 않기 때문이다.<br>! 물리변화와 화학변화에서 모두 성립한다!</div>]]></description>
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         <pubDate>2021-04-30 05:50:26 UTC</pubDate>
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         <title>기체의 부피와 분자수 관계</title>
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         <description><![CDATA[<div>온도와&nbsp;압력이 같을 때 모든 기체는 같은 부피 속에 같은 수의 분자가 들어있다. 따라서 기체의 부피비와 분자 수는 같다.</div>]]></description>
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         <pubDate>2021-04-30 05:52:23 UTC</pubDate>
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         <title></title>
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         <title>화학 반응식과 분자수의 비, 부피비의 관계</title>
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         <description><![CDATA[<div>온도와&nbsp;압력이 일정할 때 기체 사이의 반응에서 화학 반응식의 계수비는 각 기체의 분자수의 비와 같으며, 부피비와도 같다.</div>]]></description>
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         <pubDate>2021-04-30 05:53:30 UTC</pubDate>
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         <title>마그네슘과 산소의 반응에서 질량비</title>
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         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477024978</link>
         <description><![CDATA[<div>3 : 2 : 5<br>마그네슘 + 산소 -&gt; 산화 마그네슘</div>]]></description>
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         <pubDate>2021-04-30 05:54:38 UTC</pubDate>
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         <title>물질의 상태 변화와 에너지 출입</title>
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         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477026124</link>
         <description><![CDATA[<div>물질의&nbsp;상태 변화가 일어날 때 에너지를 흡수하거나 방출한다.</div>]]></description>
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         <pubDate>2021-04-30 05:55:20 UTC</pubDate>
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         <title>에너지 방출</title>
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         <pubDate>2021-04-30 05:56:03 UTC</pubDate>
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         <title>에너지 흡수</title>
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         <pubDate>2021-04-30 05:56:13 UTC</pubDate>
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         <title>주위의 온도 변화</title>
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         <pubDate>2021-04-30 05:56:31 UTC</pubDate>
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         <title>주위의 온도 높아짐</title>
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         <pubDate>2021-04-30 05:57:15 UTC</pubDate>
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         <title>주위의 온도 낮아짐</title>
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         <pubDate>2021-04-30 05:57:29 UTC</pubDate>
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         <title>반응 예</title>
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         <pubDate>2021-04-30 05:57:49 UTC</pubDate>
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         <title></title>
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         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477030978</link>
         <description><![CDATA[<div>철&nbsp;가루와 산소의 반응</div>]]></description>
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         <pubDate>2021-04-30 05:58:11 UTC</pubDate>
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         <title></title>
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         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477031411</link>
         <description><![CDATA[<div>천연가스&nbsp;등 연료의 연소 반응</div>]]></description>
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         <pubDate>2021-04-30 05:58:26 UTC</pubDate>
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         <title></title>
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         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477035476</link>
         <description><![CDATA[<div>산화&nbsp;칼슘과 물의 반응</div>]]></description>
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         <pubDate>2021-04-30 06:00:45 UTC</pubDate>
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         <title>구리와 산소의 반응에서 질량비</title>
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         <description><![CDATA[<div>4 : 1 : 5<br>구리 + 산소 -&gt; 산화구리</div>]]></description>
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         <title></title>
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         <description><![CDATA[<div>염화&nbsp;암모늄과 수산화 바륨의 반응</div>]]></description>
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         <pubDate>2021-04-30 06:01:02 UTC</pubDate>
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         <title></title>
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         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477036840</link>
         <description><![CDATA[<div>식물의&nbsp;광합성 반응</div>]]></description>
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         <pubDate>2021-04-30 06:01:30 UTC</pubDate>
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         <title></title>
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         <description><![CDATA[<div>탄산수소&nbsp;나트륨의 분해 반응</div>]]></description>
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         <pubDate>2021-04-30 06:01:52 UTC</pubDate>
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         <title>물을 이루는 원소의 질량비</title>
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         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477038116</link>
         <description><![CDATA[<div>수소 + 산소 -&gt; 물<br>1 : 8 : 9</div>]]></description>
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         <pubDate>2021-04-30 06:02:10 UTC</pubDate>
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         <title>일정 성분비 법칙</title>
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         <pubDate>2021-04-30 06:03:01 UTC</pubDate>
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         <title>.</title>
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         <pubDate>2021-04-30 06:03:31 UTC</pubDate>
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         <title>.</title>
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         <pubDate>2021-04-30 06:03:41 UTC</pubDate>
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         <title>.</title>
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         <pubDate>2021-04-30 06:03:49 UTC</pubDate>
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         <title>일정성분비법칙 (프루스트)</title>
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         <description><![CDATA[<div>한 화합물을 구성하는 성분 원소의 질량비는 항상 일정하다<br><br></div>]]></description>
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         <pubDate>2021-04-30 06:04:58 UTC</pubDate>
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         <title>.</title>
         <author></author>
         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477044274</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-04-30 06:05:23 UTC</pubDate>
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      </item>
      <item>
         <title>.</title>
         <author></author>
         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477045241</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-04-30 06:05:53 UTC</pubDate>
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      </item>
      <item>
         <title>.</title>
         <author></author>
         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477045660</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-04-30 06:06:06 UTC</pubDate>
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      </item>
      <item>
         <title>.</title>
         <author></author>
         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477046089</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-04-30 06:06:21 UTC</pubDate>
         <guid>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477046089</guid>
      </item>
      <item>
         <title>성립하는 까닭</title>
         <author></author>
         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477046248</link>
         <description><![CDATA[<div>화합물을 구성하는 성분원소의 비는 항상 일정하기 때문이다.<br>화합물에서는 성립하고 혼합물에서는 성립하지않는다.</div>]]></description>
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         <pubDate>2021-04-30 06:06:26 UTC</pubDate>
         <guid>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477046248</guid>
      </item>
      <item>
         <title>.</title>
         <author></author>
         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477046370</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 06:06:30 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477046888</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-04-30 06:06:47 UTC</pubDate>
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      </item>
      <item>
         <title>.</title>
         <author></author>
         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477047930</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 06:07:19 UTC</pubDate>
         <guid>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477047930</guid>
      </item>
      <item>
         <title>화학 반응에서 출입하는 에너지를 이용한 장치 고안</title>
         <author></author>
         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477052074</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 06:09:27 UTC</pubDate>
         <guid>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477052074</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477053559</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://t1.daumcdn.net/cfile/tistory/99903F475A54C29501" />
         <pubDate>2021-04-30 06:10:10 UTC</pubDate>
         <guid>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477053559</guid>
      </item>
      <item>
         <title>수산화바륨과 염화 암모늄의 반응 이용해 냉각장치</title>
         <author></author>
         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477057996</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2021-04-30 06:12:10 UTC</pubDate>
         <guid>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477057996</guid>
      </item>
      <item>
         <title>물리변화의 종류</title>
         <author></author>
         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477062134</link>
         <description><![CDATA[<div>▶ 상태의 변화</div><div>고체에서 액체로, 액체에서 기체로 변하는 상태 변화는 성질이 바뀌지 않기 때문에 물리 변화라고 할 수 있다.</div><div><br></div><div>▶ 모양의 변화</div><div>연필이 부러지거나 유리잔이 깨지는 것처럼 모양만 변화하는 것도 물리 변화이다.</div><div><br></div><div>▶ 용해, 확산</div><div>소금이 물에 녹거나, 향수의 향이 멀리까지 퍼지는 현상도 물리 변화의 한 예이다.</div>]]></description>
         <pubDate>2021-04-30 06:14:15 UTC</pubDate>
         <guid>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477062134</guid>
      </item>
      <item>
         <title>화학반응의 종류</title>
         <author></author>
         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477067205</link>
         <description><![CDATA[<div>▶ 맛, 냄새, 색깔의 변화</div><div>음식이 상하거나, 깎아놓은 사과의 색깔이 변하는 등의 변화는 화학 변화이다. 즉&nbsp; 성질이 변한 것.</div><div><br></div><div>▶ 연소, 앙금 생성 등의 화학 반응</div><div>나무가 불에 타거나, 석회수에 입김을 넣어서 뿌옇게 흐려지는 등의 화학 반응은 모두 화학 변화의 예이다. 새로운 분자가 생성되는 것</div>]]></description>
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         <pubDate>2021-04-30 06:16:47 UTC</pubDate>
         <guid>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477067205</guid>
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      <item>
         <title>물리 변화의 예</title>
         <author></author>
         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477072570</link>
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         <pubDate>2021-04-30 06:19:21 UTC</pubDate>
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      <item>
         <title>화학 변화의 예</title>
         <author></author>
         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477081428</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-04-30 06:23:39 UTC</pubDate>
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      <item>
         <title>■ 공통적으로 변하지 않는 것</title>
         <author></author>
         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477091644</link>
         <description><![CDATA[<div>&nbsp;물리 변화나 화학 변화 모두 원자의 종류와 개수는 변하지 않는다.물질을 이루는 기본 알갱이는 없어지거나 변하지 않는 것이다.즉 물질의 질량도 변하지 않는다.</div>]]></description>
         <pubDate>2021-04-30 06:29:01 UTC</pubDate>
         <guid>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477091644</guid>
      </item>
      <item>
         <title>반응물질과 생성물질</title>
         <author></author>
         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477116235</link>
         <description><![CDATA[<div>반응물질이랑 화학 반응이 일어나기 전의 물질이고&nbsp;<br>생성물질이란 화학 반응을 통해 생성된 물질이다.</div>]]></description>
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         <pubDate>2021-04-30 06:42:44 UTC</pubDate>
         <guid>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477116235</guid>
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      <item>
         <title> 화학 반응식 나타내는 방법 (예: 물 생성 반응)</title>
         <author></author>
         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477164330</link>
         <description><![CDATA[<div>① 1단계<br>• 반응물질을 왼쪽에, 생성물질을 오른쪽에 쓰고, 그 사이에 화살표(→)를 넣는다.</div><div>• 반응물질이나 생성물질이 여러 개인 경우 ‘+’ 기호로 연결한다.</div><div><br></div><div>예) 반응물질: 수소, 산소</div><div>생성물질: 물</div><div>수소 + 산소 → 물<br><br></div>]]></description>
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         <pubDate>2021-04-30 07:08:52 UTC</pubDate>
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      <item>
         <title>② 2단계</title>
         <author></author>
         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477165830</link>
         <description><![CDATA[<div>• 반응물질과 생성물질을 화학식으로 나타낸다.</div><div><br></div><div>예) 수소: H2, 산소: O2</div><div>물: H2O</div><div>H2 + O2 → H2O</div><div><br></div>]]></description>
         <pubDate>2021-04-30 07:09:39 UTC</pubDate>
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      <item>
         <title>③ 3단계</title>
         <author></author>
         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477171956</link>
         <description><![CDATA[<div>• 반응 전후에 원자의 종류와 개수가 같도록 계수2)를 맞춘다.</div><div>• 단, 계수비는 간단한 정수비가 되어야 하며, 계수가 1인 경우 생략한다.</div><div><br></div><div>예) 산소 원자의 개수를 같게 맞추기 위해 H2O 앞에 2를 붙인다.</div>]]></description>
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         <pubDate>2021-04-30 07:12:37 UTC</pubDate>
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      <item>
         <title>-&gt;</title>
         <author></author>
         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477175898</link>
         <description><![CDATA[<div>수소 원자의 개수를 같게 맞추기 위해 H2 앞에 2를 붙인다.</div>]]></description>
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         <pubDate>2021-04-30 07:14:38 UTC</pubDate>
         <guid>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477175898</guid>
      </item>
      <item>
         <title>화학 반응을 화학 반응식으로 나타낼때의 장점</title>
         <author></author>
         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477189772</link>
         <description><![CDATA[<div>물질을 모형으로 나타내는것보다 간단하고 명확하게 나타 낼 수 있는 장점이 있다</div>]]></description>
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         <pubDate>2021-04-30 07:21:15 UTC</pubDate>
         <guid>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477189772</guid>
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      <item>
         <title>화학 반응식을 쓸 때 계수를 맞추는 이유</title>
         <author></author>
         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477194306</link>
         <description><![CDATA[<div>&nbsp;반응 전 후 원자는 새로 생겨나거나 없어지지 않으므로 화살표 양쪽에 있는 원자의 종류 와 개수가 같아야 하기 때문이다. 화학 반응식의 계수를 통해 화학 반응이 일어날 때 물질의 입자 수 변화를 알 수 있다.</div>]]></description>
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         <pubDate>2021-04-30 07:23:23 UTC</pubDate>
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      <item>
         <title>화학 반응식으로 알 수 있는 것</title>
         <author></author>
         <link>https://padlet.com/kscct200037/lmlhy0iieacxa5sc/wish/1477197779</link>
         <description><![CDATA[<div>1) 반응 물질과 생성 물질의 종류 및 분자 수</div><div>2) 반응 물질과 생성 물질에 포함된 원자 수</div><div>3) 반응 물질과 생성 물질의 질량관계</div><div>4) 계수비 = 분자 수비 = 부피비 (기체 반응일 경우)</div>]]></description>
         <pubDate>2021-04-30 07:25:02 UTC</pubDate>
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