2022年杭州市中考模拟科学试卷

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2022
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8ὃᫀ1ஹ⌱4⚪67⚪3ᑖᐳ60ᑖ7⚪8ᨵ1:⌱⚗<ᔠ⚪=>⚪?12345678910JᫀDCDAcBcBcA⚪?11121314151617181920JᫀDADBACDBBDPஹQR⚪6Sᜧ⚪ᐳ26ᑖ>21.64ᑖ>67R1ᑖ>61>V᝱XYZ[\ᱥ^ஹ᣸`ᱥabcᱥdᡠfḄᨵgᱥᑖhijkḄlgᱥ\ᱥmᑭᵨ6ᔠᳮᓽp>஺62>qrsᙽufᨵᜧ)vw6xy>+wᡠ◤)Ḅ{⌕ᩭ~6ᔠᳮᓽp>஺஺22.64ᑖ>67R1ᑖ>61>Ḅ஺62>஺63>ᓿ஺64>◖ᢈᨵজlឋVḄᓿaᙠ᜜¡¢£¤¥¦§¨জᨵឋV6ᔠᳮᓽp>஺23.64ᑖ>67R2ᑖ>61>Feஹ«¬⏚஺62>ᐜZ¯°±§²³ஹᯠµ¶ᓾ¸ᨔஹᨬ»¼p½¬⏚¾¿ᨔ6ᔠᳮᓽp>஺24.64ᑖ>ெ7R2ᑖ>61>ÁÂ⏚ÃᐙᑖÄÅ¡ÆCO,È°Éᐰ⍎Ì஺62>NaCO+Ba6OH>==BaCO+2NaOH6ᔠᳮᓽp>஺"232325.64ᑖ>67R2ᑖ>ÓᳫᙠÕ[ᵫᢓᑴ᥅ÚÛÜÝÞÓᳫgßàá*ᓄᑁÆÓᳫḄÕ[áã¢äåᑮ◞èᦔê6ᔠᳮᓽp>஺ëì⌶஺26.66ᑖ>67R2ᑖ>1000î16஺ïஹðñò⚪6Sᜧ⚪ᐳ42ᑖ>27.18ᑖ>67R2ᑖ>61>lgó6ᡈõöᐗ>஺62>ᐝøùஹCO2²ù஺63>1᪵Ḅûᐝøùüû²ùCO,ýþÿ
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ஹ$ᳫ&Ḅ'(ᦪ*ஹNaHCC3/0Ḅ*1ᔠᳮᓽ஺28.6ᑖj892ᑖ1;<ᝅ>?@ABCDᐸFᝅ>?@AGBC஺2CO2HNaOHIJKᡂNa,COyNa,CO3ᙠ⏀O@P/D᪆R஺10.5»29.8ᑖ892ᑖ13⏚ᓄḄAgNOa/0Ꮇlmn⁐pqrKst\]uv஺3B>?xbyGzᨵ|ᑈR,6o30.6ᑖ892ᑖ1“300Q2A”஺2᝞஺3$ᵫ"
ᓣᵯḄᵯ$ᵯ@Ḅᵯᜧᘤᵯᜧᡠᵯ⊤ᦪ$ᔠᳮᓽ஺31.6ᑖm“60~70cm”஺᎔$஺2¡¢£¤¥Ḅ¦ᳮ⌱<¨ᯖª〉¬Ḅ®¯°ᙠ∑²³´®¯µ¶ᔠᳮᓽ஺32.8ᑖ892ᑖ1জ஺2B-C-AA>?@Ḅ¹ᮞA»¼஺3G¥½D>?¿>ÀÁÂ>?ᑁÄᙠÅÆ*ḄÇ⏗ÉÊËÌᨵÍᔾᎷlÏÐÑÒÓA>?aÔÕÖ×rKu᡾ᔠᳮᓽ஺ÙஹÚÛ⚪Ýᜧ⚪ᐳ32ᑖ33.6ᑖপ17.02ᑖ2P=I2R=17.0A2XO.IQ=28.9WP=P-P=126W-28.9W=97.1W2ᑖâRã311.02ᑖ34.7ᑖ1F=g/=1.x103kgx10N/kgx10x10-3m3=100N2ᑖPèA᣸12□G=êg=27kgx1ON/kg=270NAA'

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270N-100N=85Ní24è2W=Fs=85Nx2m=170J
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270N-100Nxlm=170Jjí-a------è<
312ᑖ35.
6ᑖ1ᵫ⊤d4minAᓣ"
=70࠷-20࠷=50࠷
1ᑖAᑣd4minжᑁAᔾYḄ*óQ=cmAt=4.2xl03j/
kg-࠷x0.2kgx50࠷=4.2x104J2ᑖேAAAA
2dÐᵫ`⏀Oõö÷°RḄøù*úAᔾYûm⏀O=255.6g-250g=5.6g=5.6x10-3kg
1ᑖᑣQ/=ṯr=QA'-Q--------------r|=A=xl00%=25%
2ᑖmq5.6x10-3kgx3.0x10?J/kg36.
4ᑖপ6.6
2ᑖ
2ÚólþᐁᜫḄx,FeO+3CO2Fe+3CO
1ᑖ232160132x6.6gt6O_—x-x=8g132—6.6gᓄḄᑖᦪ=4x100%=80%
1ᑖ10g37.
9ᑖ1⚪2ᑖ2⚪1ᑖ3⚪2ᑖ1☟஺
2জ100ঝ25ঞI஺ব+3,ᑁᓄᵯ஺