과학(3-5)화학반응에서의 에너지 출입 by 선생님전일 https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9 en-us 2024-04-04 01:39:29 UTC 2024-04-13 11:15:28 UTC hello@padlet.com <예시> 발열반응: 나무가 연소할 때 열에너지와 빛에너지를 방출한다. 2024jimspad1 https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942748805 화학반응 : 나무 + 산소 -> 재 + 이산화탄소 + 물 + 열에너지 + 빛에너지

]]> 2024-04-04 05:12:04 UTC https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942748805 발열반응1 2024jimspad1 https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942749072 2024-04-04 05:12:15 UTC https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942749072 발열반응2 2024jimspad1 https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942749274 2024-04-04 05:12:24 UTC https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942749274 흡열반응1 2024jimspad1 https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942749467 2024-04-04 05:12:31 UTC https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942749467 흡열반응2 2024jimspad1 https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942749615 2024-04-04 05:12:38 UTC https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942749615 발열반응 3 또는 흡열반응3 2024jimspad1 https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942750148 2024-04-04 05:13:01 UTC https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942750148 30524 한원택 발열반응 https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942798669 2024-04-04 05:54:20 UTC https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942798669 30514신정훈 https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942798875 발열반응: 책이 연소할 때

열 에너지와 빛 에너지가 방출한다

화학반응: 책+산소->재+이산화탄소+물+열에너지+빛에너지

]]> 2024-04-04 05:54:32 UTC https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942798875 흡열반응 https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942799368 냉찜질용 주머니 ; 질산암모늄과 물의 흡열반응을 이용

 주머니를 힘껏 누르면 안쪽 주머니(물이 있음)과 바같쪽 주머니

 (질산암모늄이 있음)가 터져 서로 섞이면서 주변의 열을 흡수함으로 차가워진다.

]]> 2024-04-04 05:55:03 UTC https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942799368 발열반응2 - 강준영 ggg968547 https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942801779 화석 연료의 연소
C3H8(g) + 502(g) T 3C02(g) + 4H2O(I) +
열]]> 2024-04-04 05:57:25 UTC https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942801779 핫팩 30517오도겸 https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942801950 2024-04-04 05:57:37 UTC https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942801950 (예시) 흡열반응: 아이스팩은 주워로부터 열을흡수하여 차가운 상태를 만든다, 이러한 현상이 생기는 이유는 물이 녹는 과정에서 열이 흡수되기 때문입니다 sungsihwan1009 https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942802718 30512성시환

]]> 2024-04-04 05:58:16 UTC https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942802718 30507 박시영 https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942803002 화학 반응: 철+산소->산화철

4Fe + 3o2 = 2Fe2o3

]]> 2024-04-04 05:58:34 UTC https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942803002 발열반응 1 https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942804928 화학 반응식 4Fe+302 -> 2Fe203 + Qcal

]]> 2024-04-04 06:00:27 UTC https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942804928 30513손윤정 https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942805000 2024-04-04 06:00:31 UTC https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942805000 흡열반응3 https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942805316 H2O -> H2O

녹는 얼음

]]> 2024-04-04 06:00:49 UTC https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942805316 흡열반응 https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942805813 베이킹 소다(중탄산 나트륨)+식초(아세트산)->이산화탄소+물+나트륨 이온+아세테이트 이온

]]> 2024-04-04 06:01:21 UTC https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2942805813 30522 조서영 발열반응 https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2943135686 화학식) 나트륨 + 물 > 수산화나트륨 + 수소

2Na + 2H20 > 2NaOH + H2

나트륨과 물이 닿을 때 발열반응이 일어나 수소와 반응해 폭발을 일으킨다.

]]> 2024-04-04 11:23:34 UTC https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2943135686 30508박영서 https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2945622850 흡열반응-일회용 냉각제-염화암모늄이 물에 녹을 때는 열을 흡수해 주변의 온도가 낮아지게 되어 냉찜질 효과가 있게 된다

화학반응 ->염화암모륨(NH4CL)+물( H2O)-->NH3 + HCl + H2O

]]> 2024-04-07 13:07:20 UTC https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2945622850 흡열반응2 https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2945897638 아이스팩

질산+암모니아->질산 암모늄

]]> 2024-04-07 23:41:58 UTC https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2945897638 30523표서윤 https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2947977585 흡열반응 일회용 냉각제

염화암모륨 + 물 -> NH3 + HCl + H2O

]]> 2024-04-09 07:32:07 UTC https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2947977585 30511 서민경. 30515 신지우 https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2953303340 철가루가 산소와 만나서 산화철이 되는 과정이다. 이 과정에서 열을 방출하기 때문에 발열반응의 예시이다.

]]> 2024-04-13 11:15:28 UTC https://padlet.com/jeoilmiddleschool1/2g8zyl8yrm7o1ft9/wish/2953303340