初中常考的化学方程式的现象和作用现象如S+O2 点燃SO2 剧烈燃烧、放热、刺激味气体、空气中淡蓝色火焰.氧气中蓝紫色火焰 作用如碳酸钠与浓盐酸反应:Na2CO3 + 2HCl === 2NaCl + H2O + CO2↑ (泡沫

来源:学生作业帮助网 编辑:作业帮 时间:2024/09/19 01:12:15
xdz:ߴAGfnM]0ooqI¢#,\f6Fu'rLNf$'*Sa,q~ X$PQm_hP!ŘN)kxI^/B+ECl:O*rȠT .s`BlmpbM(-;}r`~g!w$DQ06ͷYu - BwNOd#* .Фt(c Ma^VW(5GI Vt@ iqzU},%Q7& W= Cխ&ZU78mk3h&QVJ w"]Wrn*G[\ǣe f_}gmEaqNn|H8%b*bcc,YFm8}%f)җ(R]ws0dǴU#+!\.Y\ Hձ0;,b8<73wި̃[ H5lV"%ro^ʚqqz(` ZDhHi$F&tԶwrKb&K#=ǞK@XyNt*+p[_K&J/^rY7+U^XYzVy63?껵$Ȥ1qzTn3'Y;m 6+(-c2nv'Zn#Gٹ)f>IWnvLA~| IRI?AC}}&w{Z1|ːLThW*\J:CX M^fmRݒUk+*詵ߟ&gŜ %lF۩[Y?]䂽%ezO.F~Кʳf lwRȸtۉG&ΕzFO]=\B+I4[Zov7=.=3R常]yѫQ:IAdkL6߹=n0}̯|m8مi;wdeO*Uz(p"x)j!&FMZtFmjyE8gW!Uٖ+2PMg9 Ա8])+T!.eR(@?5fVQ+.kog+VѪA c_{Y jZgnIgP6{Ț=Λ"7 b3 i7˩*}j pdVMK&m7T}-;UKKJ (9L*@h0RWZYm*+#6ӮĀ5_S)Dw!G\0gib Lҭ|LƐ喣M.lCMBQ %k*>(8LNDQYp $Ž{d%acۨGbr"ܰϝZƼUaWہu P1X+ogp}U-azz\ؽXD+|p/i3Ii0Ƕ%ݸaϢQ;xsř)xQX|)fgh@w=pMJ]#BQiB&"gs@g p9frkޏ?aD݈p^"USF,8}Mg) jlLl]# 9^"z~ҍNuR ao|lxK~7E\dsPlkda(,-Q^!86*ɉk%pԗQT pb!{*^PKABP?D-qP4Vg̉Xd&߃1cUcsqNHA`кuS 4Z^'R0 Tn >Qn3Y;Q Xљ<ty t*x"9q 䛰oiCY(4aMaq1\852r `l)&'f!OnuXv_\̷9 PFh.C1[E/g<\*M=HMhb̌7 "aJ4 ]iZ>9!)SXhΎR6i{q %\Dǟ1&#3fk#{B$rVamN8qzn+H2n.8Gk_Bc }kPoX_{<=z}B 6 wj^jF6XU~ߩQֲ f)3+(6bs&jFט ϼ#*w?p0y?], 1̎6K?N5?1ǓboQ+\83(=4Ɂڳhږ\Q} VF91Ti3h;ݘbR]/(cnR(jA:A0 G8ck{7d<"3*=jcSaPSkbħIDRw(ϛ ѠI~c:bv_}=i3Nzsٞu:R=ͅx麜aFf}Esf@Cr]&8!kc"]H\a.]p uQ :/bP<*\b?#j[T굴AEB~|7\+αq~`d:>XzUίoa*h.???cODoa:Yaqtߋ@ N_WӜl(QS%k'1ic.M_~s+qUZJ/tmxcA腌Q&\"1MN0NTG%uQmd`ė `K'ݦZpUs jS֮ю\> O˓pytXMN-h#tV2 ;=Hx6#BCȶu|x\jcrB?!ۮW! =C3;f#L,%($qMpޅe͑NVCZf)tv׏߿pwnd:8=B9<Ð2u< nG%'Nnx'1Br9Ta^@ &j<9I͑=˂u^ǕF Me E#[Sh⹾v`;דI2W_W U#QWxm %,~7æ._dqo[/Ð]dwf 69$k37vx$!Mw\t!XAK! U8Qp_H`Q(|\GKUr dj9#fY-xܵ޵a{;]Y[77NLka}9])`)Q]]&p1SAn>wBjP5n.f} {aMO[tT'R:QR>W&Tvw` b}Q6!`HV7"$xOIGj]Z4j mӌ8(!hb}`nw3BЋ64@ƫ4RGk=0qR&WL3b~u7o¯]45o+fzݙ"x9tlJ)>,@PG{lR?7|eU10=z[p^F?@qWA |Ceyj1^y0jz/ p>G N9Kh6XCPz-~x^?C0p|7>$}xMIw`*Gױ] Ff7^Ms?☜9rGWmqJv,zih3:ڍfmCxQQHiJ )@g2ᝠP0OmVf8)&skw(#s&Y]KW >p7+Q19 ֈ; _Q3:~G3/pß!߉,[-u5#:Z)L+q_\f(^$9nS^4/iȏH^1vnO845EQJn,#h[ Gc"=>xJ!dZ]t#rߑ0ȩUWK_y, [""K .4OM^"hcwtEjϩw=o9IOQ4; nCT8DZ*޳dU S=H -10&}z˗|"(*_QBt(^+xcر^UBbA#/iǃ"2=ZmQt7-A3uExc|ݔ4 "m64[!z i i$gם%&ckIz"W'&8Q5<:EQKBle063ۍJЃ>=n̨QDï6˺A`*h;"܋ 6<hm'!q,ζ\D[Pf}XQ Ez: K|\{-i?\CS!q1Ё|5K ;dVy3C[+c<;S 演Yę-6ę9ذYE\gx;QA`/ hܼ58-QZ¨=s w5:sNwdY? =SGћ'{O>";a+R%~mgjl2 `61^D㜖暃u^4|k{PsIfj2^3pӓ,pz`.C]e\$&F^)`z`zLu" u1Q8-E5E`IMԺ:6A ,T'[Al~DTG2:nۏg)R6SX%휣sػN'8!iuA[e"6*oVH[O,Y IUPlYԶc&ft͙c[?jZb P(4.ɷ`TwKh},c&Y Da?Y_lxjn(no((ר ͨ ag 0ޫcbŬIz۶{ ;ؿ/_ܻg/ǿ|=џ~?ݏt?OPן~SwT:`zyw ށլQXcB$Du_,đX `/3yRpJY/y