{"id":3,"date":"2025-03-28T10:41:14","date_gmt":"2025-03-28T08:41:14","guid":{"rendered":"https:\/\/sisu.ut.ee\/arst-sisseastumiseksam\/?page_id=3"},"modified":"2026-01-16T16:44:02","modified_gmt":"2026-01-16T14:44:02","slug":"keemia-sisseastumiseksam","status":"publish","type":"page","link":"https:\/\/sisu.ut.ee\/arst-sisseastumiseksam\/keemia-sisseastumiseksam\/","title":{"rendered":"Keemia sisseastumiseksam"},"content":{"rendered":"<p>Keemia sisseastumiseksam p\u00f5hineb p\u00f5hikooli ja g\u00fcmnaasiumi riikliku ainekava kohustuslikel kursustel. Keemia eksam sisaldab eri t\u00fc\u00fcpi k\u00fcsimusi ja \u00fclesandeid. Keemia sisseastumiseksami osas on lubatud kasutada perioodilisustabelit, metallide aktiivsuse rida ja lahustuvusetabelit (on sisseastujal kasutatavad testide keskkonnas). M\u00e4rkmete ja arvutuste tegemiseks v\u00f5ib kasutada mustandipaberit.<\/p>\n<p>Ettevalmistuseks vajalikud materjalid:<\/p>\n<ul>\n<li>Tamm, L. (2017), Keemia alused. Maurus, Tallinn.<\/li>\n<li>Tamm, L. (2019), Anorgaanilised ained. Maurus, Tallinn.<\/li>\n<li>Saar, M. (2014), Keemia alused. T\u00f6\u00f6vihik. Maurus, Tallinn.<\/li>\n<li>Saar, M. (2020), Orgaanilised ained. Maurus, Tallinn.<\/li>\n<li>Saar, M. (2021), Orgaanilised ained. T\u00f6\u00f6vihik. Maurus, Tallinn.<\/li>\n<\/ul>\n<p>Soovituslikud materjalid:<\/p>\n<ul>\n<li>Tamm, L. (2008), \u00dcldine ja anorgaaniline keemia: \u00f5pik g\u00fcmnaasiumile. I osa. Avita, Tallinn.<\/li>\n<li>Tamm, L. (2008), \u00dcldine ja anorgaaniline keemia: \u00f5pik g\u00fcmnaasiumile. II osa. Avita, Tallinn.<\/li>\n<li>Tuulmets, A. (2002), Orgaaniline keemia, \u00f5pik g\u00fcmnaasiumil , Avita, Tallinn.<\/li>\n<li>Tuulmets, A. (2006), Orgaaniline keemia, \u00f5pik g\u00fcmnaasiumile I osa, Avita, Tallinn.<\/li>\n<li>Tuulmets, A. (2006), Orgaaniline keemia, \u00f5pik g\u00fcmnaasiumile II osa, Avita, Tallinn.<\/li>\n<li>Karolin, L. (2006), Orgaaniline keemia, harjutustik, Avita, Tallinn.<\/li>\n<li>Tamm, L. (2011) Keemia riigieksamite \u00fclesandeid. Soovitusi lahendamiseks, Atlex, Tartu.<\/li>\n<li>Katt, N. (2022) Keemia l\u00fchikursus g\u00fcmnaasiumile, Maurus, Tallinn.<\/li>\n<\/ul>\n<p>N\u00e4idis\u00fclesanded v\u00f5imaldavad saada aimu, millisel kujul \u00fclesandeid eksamil k\u00fcsitakse. Eksami\u00fclesanded l\u00e4htuvad neljast suuremast teemast:<\/p>\n<ul>\n<li>\u00fcldine keemia,<\/li>\n<li>anorgaaniline keemia,<\/li>\n<li>orgaaniline keemia ja<\/li>\n<li>arvutus\u00fclesanded.<\/li>\n<\/ul>\n<p>Iga teema \u00fclesanded moodustavad umbes neljandiku kogu eksamist.<\/p>\n<ul>\n<li>N\u00e4idiseksami <a href=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/900\/231208Keemia_sisseastumiseksam_naidistoo_EST.pdf\" target=\"_blank\" rel=\"noopener\">pdf-fail<\/a><\/li>\n<li>Perioodilisusetabeli, metallide aktiivsuse rea ja lahustuvustabeli <a href=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/900\/Perioodilisusetabel_Lahustuvusetabel_EST.pdf\" target=\"_blank\" rel=\"noopener\">pdf-fail<\/a><\/li>\n<\/ul>\n<p>Arvutustes tuleb kasutada lisatud perioodilisuse tabelis toodud elementide aatommasse. N\u00e4iteks: A<sub>r<\/sub>(H) = 1, A<sub>r<\/sub>(O) = 16 ja A<sub>r<\/sub>(Cl) = 35,5<\/p>\n<p>Abiks keemia sisseastumiseksamiks ettevalmistumisel on<\/p>\n<ul>\n<li>g\u00fcmnaasiumi keemia kordav kursus <a href=\"https:\/\/sisu.ut.ee\/huvitavkeemia\/\">Huvitav keemia<\/a> ja<\/li>\n<li>p\u00f5hikooli keemia kordav kursus <a href=\"https:\/\/sisu.ut.ee\/keemiaabc\/\">Keemia ABC<\/a>.<\/li>\n<\/ul>\n<p>Kevadel algavad<\/p>\n<ul>\n<li><a href=\"https:\/\/ois2.ut.ee\/#\/trainings\/LTKT.TK.012\/version\/bef57ea4-53f0-2f87-a3a8-328149c269d5\/details\">Keemia kursus g\u00fcmnaasiumi\u00f5pilastele<\/a> (20.03.-06.06.2026, 78 t, 3 EAP, veebi\u00f5pe)<\/li>\n<li><a href=\"https:\/\/ois2.ut.ee\/#\/trainings\/LTKT.TK.013\/version\/2a1d985b-775a-c10a-4f23-5b68e03b4fe1\/details\">Keemia kursus p\u00f5hikooli\u00f5pilastele<\/a> (01.03.-17.05.2026, 52 t, 2 EAP, veebi\u00f5pe)<\/li>\n<\/ul>\n<p>\u00a0<\/p>\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"has-text-align-center\">NB! Osades \u00fclesannetes on mitu alam\u00fclesannet, mis on paigutatud eraldi lehtedele.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\">N\u00e4idis\u00fclesanded<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:5%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:900px\">\n<h3 class=\"wp-block-heading\">\u00dclesanne 1<\/h3>\n\n\n\n<div class=\"h5p-iframe-wrapper\"><div class=\"video-placeholder-wrapper video-placeholder-wrapper--fixed\" style=\"height: 366px;\">\n\t\t\t    <div class=\"video-placeholder d-flex justify-content-center align-items-center\">\n\t\t\t        <div class=\"overlay text-white p-2 w-100 text-center d-block justify-content-center align-items-center\">\n\t\t\t            <div>Kolmandate osapoolte sisu n\u00e4gemiseks palun n\u00f5ustu k\u00fcpsistega.<\/div>\n\t\t\t            <button class=\"btn btn-secondary btn-sm mt-1 consent-change\">Muuda n\u00f5usolekut<\/button>\n\t\t\t        <\/div>\n\t\t\t    <\/div>\n\t\t\t<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u00dclesanne 2A<\/h3>\n\n\n\n<div class=\"h5p-iframe-wrapper\"><div class=\"video-placeholder-wrapper video-placeholder-wrapper--fixed\" style=\"height: 366px;\">\n\t\t\t    <div class=\"video-placeholder d-flex justify-content-center align-items-center\">\n\t\t\t        <div class=\"overlay text-white p-2 w-100 text-center d-block justify-content-center align-items-center\">\n\t\t\t            <div>Kolmandate osapoolte sisu n\u00e4gemiseks palun n\u00f5ustu k\u00fcpsistega.<\/div>\n\t\t\t            <button class=\"btn btn-secondary btn-sm mt-1 consent-change\">Muuda n\u00f5usolekut<\/button>\n\t\t\t        <\/div>\n\t\t\t    <\/div>\n\t\t\t<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u00dclesanne 2B<\/h3>\n\n\n\n<div class=\"h5p-iframe-wrapper\"><div class=\"video-placeholder-wrapper video-placeholder-wrapper--fixed\" style=\"height: 366px;\">\n\t\t\t    <div class=\"video-placeholder d-flex justify-content-center align-items-center\">\n\t\t\t        <div class=\"overlay text-white p-2 w-100 text-center d-block justify-content-center align-items-center\">\n\t\t\t            <div>Kolmandate osapoolte sisu n\u00e4gemiseks palun n\u00f5ustu k\u00fcpsistega.<\/div>\n\t\t\t            <button class=\"btn btn-secondary btn-sm mt-1 consent-change\">Muuda n\u00f5usolekut<\/button>\n\t\t\t        <\/div>\n\t\t\t    <\/div>\n\t\t\t<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u00dclesanne 3<\/h3>\n\n\n\n<div class=\"h5p-iframe-wrapper\"><div class=\"video-placeholder-wrapper video-placeholder-wrapper--fixed\" style=\"height: 366px;\">\n\t\t\t    <div class=\"video-placeholder d-flex justify-content-center align-items-center\">\n\t\t\t        <div class=\"overlay text-white p-2 w-100 text-center d-block justify-content-center align-items-center\">\n\t\t\t            <div>Kolmandate osapoolte sisu n\u00e4gemiseks palun n\u00f5ustu k\u00fcpsistega.<\/div>\n\t\t\t            <button class=\"btn btn-secondary btn-sm mt-1 consent-change\">Muuda n\u00f5usolekut<\/button>\n\t\t\t        <\/div>\n\t\t\t    <\/div>\n\t\t\t<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u00dclesanne 4<\/h3>\n\n\n\n<div class=\"h5p-iframe-wrapper\"><div class=\"video-placeholder-wrapper video-placeholder-wrapper--fixed\" style=\"height: 366px;\">\n\t\t\t    <div class=\"video-placeholder d-flex justify-content-center align-items-center\">\n\t\t\t        <div class=\"overlay text-white p-2 w-100 text-center d-block justify-content-center align-items-center\">\n\t\t\t            <div>Kolmandate osapoolte sisu n\u00e4gemiseks palun n\u00f5ustu k\u00fcpsistega.<\/div>\n\t\t\t            <button class=\"btn btn-secondary btn-sm mt-1 consent-change\">Muuda n\u00f5usolekut<\/button>\n\t\t\t        <\/div>\n\t\t\t    <\/div>\n\t\t\t<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u00dclesanne 5<\/h3>\n\n\n\n<div class=\"h5p-iframe-wrapper\"><div class=\"video-placeholder-wrapper video-placeholder-wrapper--fixed\" style=\"height: 366px;\">\n\t\t\t    <div class=\"video-placeholder d-flex justify-content-center align-items-center\">\n\t\t\t        <div class=\"overlay text-white p-2 w-100 text-center d-block justify-content-center align-items-center\">\n\t\t\t            <div>Kolmandate osapoolte sisu n\u00e4gemiseks palun n\u00f5ustu k\u00fcpsistega.<\/div>\n\t\t\t            <button class=\"btn btn-secondary btn-sm mt-1 consent-change\">Muuda n\u00f5usolekut<\/button>\n\t\t\t        <\/div>\n\t\t\t    <\/div>\n\t\t\t<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u00dclesanne 6<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Valige esitatud l\u00e4hteinfole vastav aine nimetus, struktuurivalem ja\/v\u00f5i aineklass, mis l\u00e4hteinfos puudub. Otsustage, kas selles aines esinevad vesiniksidemed v\u00f5i mitte.<\/h4>\n\n\n\n<p><strong><em>Kl\u00f5psake \u00f5igetel vastustel.<\/em><\/strong><\/p>\n\n\n\n<div class=\"h5p-iframe-wrapper\"><div class=\"video-placeholder-wrapper video-placeholder-wrapper--fixed\" style=\"height: 366px;\">\n\t\t\t    <div class=\"video-placeholder d-flex justify-content-center align-items-center\">\n\t\t\t        <div class=\"overlay text-white p-2 w-100 text-center d-block justify-content-center align-items-center\">\n\t\t\t            <div>Kolmandate osapoolte sisu n\u00e4gemiseks palun n\u00f5ustu k\u00fcpsistega.<\/div>\n\t\t\t            <button class=\"btn btn-secondary btn-sm mt-1 consent-change\">Muuda n\u00f5usolekut<\/button>\n\t\t\t        <\/div>\n\t\t\t    <\/div>\n\t\t\t<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u00dclesanne 7<\/h3>\n\n\n\n<div class=\"h5p-iframe-wrapper\"><div class=\"video-placeholder-wrapper video-placeholder-wrapper--fixed\" style=\"height: 366px;\">\n\t\t\t    <div class=\"video-placeholder d-flex justify-content-center align-items-center\">\n\t\t\t        <div class=\"overlay text-white p-2 w-100 text-center d-block justify-content-center align-items-center\">\n\t\t\t            <div>Kolmandate osapoolte sisu n\u00e4gemiseks palun n\u00f5ustu k\u00fcpsistega.<\/div>\n\t\t\t            <button class=\"btn btn-secondary btn-sm mt-1 consent-change\">Muuda n\u00f5usolekut<\/button>\n\t\t\t        <\/div>\n\t\t\t    <\/div>\n\t\t\t<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u00dclesanne 8<\/h3>\n\n\n\n<div class=\"h5p-iframe-wrapper\"><div class=\"video-placeholder-wrapper video-placeholder-wrapper--fixed\" style=\"height: 366px;\">\n\t\t\t    <div class=\"video-placeholder d-flex justify-content-center align-items-center\">\n\t\t\t        <div class=\"overlay text-white p-2 w-100 text-center d-block justify-content-center align-items-center\">\n\t\t\t            <div>Kolmandate osapoolte sisu n\u00e4gemiseks palun n\u00f5ustu k\u00fcpsistega.<\/div>\n\t\t\t            <button class=\"btn btn-secondary btn-sm mt-1 consent-change\">Muuda n\u00f5usolekut<\/button>\n\t\t\t        <\/div>\n\t\t\t    <\/div>\n\t\t\t<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u00dclesanne 9<\/h3>\n\n\n\n<div class=\"h5p-iframe-wrapper\"><div class=\"video-placeholder-wrapper video-placeholder-wrapper--fixed\" style=\"height: 366px;\">\n\t\t\t    <div class=\"video-placeholder d-flex justify-content-center align-items-center\">\n\t\t\t        <div class=\"overlay text-white p-2 w-100 text-center d-block justify-content-center align-items-center\">\n\t\t\t            <div>Kolmandate osapoolte sisu n\u00e4gemiseks palun n\u00f5ustu k\u00fcpsistega.<\/div>\n\t\t\t            <button class=\"btn btn-secondary btn-sm mt-1 consent-change\">Muuda n\u00f5usolekut<\/button>\n\t\t\t        <\/div>\n\t\t\t    <\/div>\n\t\t\t<\/div>\n<\/div>\n\n\n<div class=\"accordion-block mb-3\">\n\t\t<div class=\"accordion \" id=\"accordion-accordion-69dfb3bba24f3\">\n\t\t\t\t\t\t\t<div class=\"accordion-item accordion-item--white\">\n\t\t\t\t\t<h2 class=\"accordion-header\" id=\"accordion-69dfb3bba24f3-heading-1\">\n\t\t\t\t\t\t<button class=\"accordion-button collapsed\" type=\"button\" data-bs-toggle=\"collapse\" data-bs-target=\"#accordion-69dfb3bba24f3-collapse-1\" aria-expanded=\"true\" aria-controls=\"accordion-69dfb3bba24f3-collapse-1\">\n\t\t\t\t\t\t\tVaata lahendust\n\t\t\t\t\t\t<\/button>\n\t\t\t\t\t<\/h2>\n\t\t\t\t\t<div id=\"accordion-69dfb3bba24f3-collapse-1\" class=\"accordion-collapse collapse \" aria-labelledby=\"accordion-69dfb3bba24f3-heading-1\">\n\t\t\t\t\t\t<div class=\"accordion-body\">\n\t\t\t\t\t\t\t<p><strong>A.<\/strong> Arvutage hapniku aatomite hulk (moolides)<\/p>\n<p><strong>\u00a0a) <\/strong>44,8\u00a0dm<sup>3<\/sup> gaasilises l\u00e4mmastikdioksiidis (n.t).<\/p>\n<p style=\"padding-left: 40px;\"><em>n<\/em>(NO<sub>2<\/sub>) = <em>V <\/em>\/<em>V<\/em><sub>m<\/sub> = 44,8 dm<sup>3<\/sup>\/(22,4 dm<sup>3<\/sup>\/mol) = 2 mol<\/p>\n<p style=\"padding-left: 40px;\">1 mol NO<sub>2<\/sub> \u00a0 \u21d4\u00a0 \u00a02 mol O<\/p>\n<p style=\"padding-left: 40px;\"><em>n<\/em>(O) = 2<em>n<\/em>(NO<sub>2<\/sub>) = 2 \u22c5 2 mol = 4 mol<\/p>\n<p style=\"padding-left: 40px;\"><strong>Vastus:<\/strong> 44,8 dm\u00b3 l\u00e4mmastikdioksiidis on 4 mooli hapniku aatomeid.<\/p>\n<p><strong>\u00a0b)<\/strong> 426\u00a0g alumiiniumnitraadis.<\/p>\n<p style=\"padding-left: 40px;\"><em>M<\/em>(Al(NO<sub>3<\/sub>)<sub>3<\/sub>) = 213 g\/mol<\/p>\n<p style=\"padding-left: 40px;\"><em>n<\/em>(Al(NO<sub>3<\/sub>)<sub>3<\/sub>) = <em>m <\/em>\/<em>M<\/em> = 426 g\/(213 g\/mol) = 2 mol<\/p>\n<p style=\"padding-left: 40px;\">1 mol Al(NO<sub>3<\/sub>)<sub>3<\/sub> \u00a0 \u21d4\u00a0 \u00a09 mol O<\/p>\n<p style=\"padding-left: 40px;\"><em>n<\/em>(O) = 9<em>n<\/em>(Al(NO<sub>3<\/sub>)<sub>3<\/sub>) = 9 \u22c5 2 mol = 18 mol<\/p>\n<p style=\"padding-left: 40px;\"><strong>Vastus:<\/strong> 426 g alumiiniumnitraadis on 18 mooli hapniku aatomeid.<\/p>\n<p><strong>B. <\/strong>Kumb sisaldab v\u00e4hem hapnikku, kas 1 mol l\u00e4mmastikdioksiidi v\u00f5i 1 mol alumiiniumnitraati?<\/p>\n<p><strong>Vastus:<\/strong> V\u00e4hem hapnikku sisaldab 1 mol l\u00e4mmastikdioksiidi.<\/p>\n<p><strong>P\u00f5hjendus:<\/strong><\/p>\n<p style=\"padding-left: 40px;\">NO<sub>2<\/sub>: 1 mol NO<sub>2<\/sub> \u00a0 \u21d4\u00a0 \u00a02 mol O<\/p>\n<p style=\"padding-left: 40px;\">Al(NO<sub>3<\/sub>)<sub>3<\/sub>: 1 mol Al(NO<sub>3<\/sub>)<sub>3<\/sub> \u00a0 \u21d4\u00a0 \u00a09 mol O<\/p>\n<p style=\"padding-left: 40px;\">\u00a02 mol O\u00a0\u00a0 &lt;\u00a0\u00a0 9 mol O<\/p>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u00dclesanne 10<\/h3>\n\n\n\n<div class=\"h5p-iframe-wrapper\"><div class=\"video-placeholder-wrapper video-placeholder-wrapper--fixed\" style=\"height: 366px;\">\n\t\t\t    <div class=\"video-placeholder d-flex justify-content-center align-items-center\">\n\t\t\t        <div class=\"overlay text-white p-2 w-100 text-center d-block justify-content-center align-items-center\">\n\t\t\t            <div>Kolmandate osapoolte sisu n\u00e4gemiseks palun n\u00f5ustu k\u00fcpsistega.<\/div>\n\t\t\t            <button class=\"btn btn-secondary btn-sm mt-1 consent-change\">Muuda n\u00f5usolekut<\/button>\n\t\t\t        <\/div>\n\t\t\t    <\/div>\n\t\t\t<\/div>\n<\/div>\n\n\n<div class=\"accordion-block mb-3\">\n\t\t<div class=\"accordion \" id=\"accordion-accordion-69dfb3bba2b47\">\n\t\t\t\t\t\t\t<div class=\"accordion-item accordion-item--white\">\n\t\t\t\t\t<h2 class=\"accordion-header\" id=\"accordion-69dfb3bba2b47-heading-1\">\n\t\t\t\t\t\t<button class=\"accordion-button collapsed\" type=\"button\" data-bs-toggle=\"collapse\" data-bs-target=\"#accordion-69dfb3bba2b47-collapse-1\" aria-expanded=\"true\" aria-controls=\"accordion-69dfb3bba2b47-collapse-1\">\n\t\t\t\t\t\t\tVaata lahendust\n\t\t\t\t\t\t<\/button>\n\t\t\t\t\t<\/h2>\n\t\t\t\t\t<div id=\"accordion-69dfb3bba2b47-collapse-1\" class=\"accordion-collapse collapse \" aria-labelledby=\"accordion-69dfb3bba2b47-heading-1\">\n\t\t\t\t\t\t<div class=\"accordion-body\">\n\t\t\t\t\t\t\t<p><strong>A.<\/strong> Arvutage, mitu mooli et\u00fcleengl\u00fckooli sisaldab 1,00 dm<sup>3<\/sup> v\u00e4rsket antifriisi (s.t leidke et\u00fcleengl\u00fckooli 35,0%-lise lahuse molaarne kontsentratsioon). Et\u00fcleengl\u00fckooli vesilahuse tiheduse s\u00f5ltuvus massiprotsendist on toodud graafikul.<\/p>\n<p style=\"padding-left: 40px;\"><em>\u03c1<\/em>(35%-line lahus) = 1,043 g\/cm<sup>3<\/sup><\/p>\n<p style=\"padding-left: 40px;\"><em>m<\/em>(35%-line lahus) = <em>m <\/em>\u2219 <em>V<\/em> = 1,00 dm<sup>3 <\/sup>\u2219 1000 cm<sup>3<\/sup>\/1 dm<sup>3<\/sup>\u00a0\u2219 1,043 g\/cm<sup>3<\/sup> = 1043 g<\/p>\n<p style=\"padding-left: 40px;\"><em>m<\/em>(et\u00fcleengl\u00fckool) = 0,350 \u2219 1043 g = 365 g<\/p>\n<p style=\"padding-left: 40px;\"><em>M<\/em>(CH<sub>2<\/sub>(OH)CH<sub>2<\/sub>(OH)) = 62 g\/mol<\/p>\n<p style=\"padding-left: 40px;\"><em>n<\/em>(et\u00fcleengl\u00fckool) = <em>m <\/em>\/<em>M<\/em> = 365 g\/(62 g\/mol) = 5,89 mol<\/p>\n<p style=\"padding-left: 40px;\"><em>c<\/em>(et\u00fcleengl\u00fckool) = <em>n <\/em>\/<em>V<\/em> = 5,89 mol\/1,00 dm<sup>3<\/sup> = 5,89 mol\/dm<sup>3<\/sup><\/p>\n<p style=\"padding-left: 40px;\"><strong>Vastus:<\/strong> 1,00 dm<sup>3<\/sup> v\u00e4rsket antifriisi sisaldab 5,89 mooli et\u00fcleengl\u00fckooli.<\/p>\n<p><strong>B.<\/strong> \u00dclesande <strong>A<\/strong>-osas toodud jahutusvedelikust oli kasutamise k\u00e4igus aurustunud 12<span style=\"text-decoration: underline;\">0<\/span> cm\u00b3 vett. Arvutage et\u00fcleengl\u00fckooli massiprotsent selles jahutusvedelikus (p\u00e4rast osa vee aurustumist).<\/p>\n<p style=\"padding-left: 40px;\"><em>m<\/em>(aurustunud vesi) = 120 g\u00a0 \u00a0 \u00a0(<em>\u03c1<\/em>(vesi) = 1,00 g\/cm<sup>3<\/sup>)<\/p>\n<p style=\"padding-left: 40px;\"><em>m<\/em>(kasutatud jahutus vedelik) = 1043 g \u2013 120 g = 923 g<\/p>\n<p style=\"padding-left: 40px;\">%(et\u00fcleengl\u00fckool kasutatud jahutus vedelikus) = 365 g\/923 g \u2219 100 = 39,5<\/p>\n<p style=\"padding-left: 40px;\"><strong>Vastus:<\/strong> Kasutatud jahutusvedelikus oli et\u00fcleengl\u00fckooli massiprotsent 39,5.<\/p>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u00dclesanne 11<\/h3>\n\n\n\n<div class=\"h5p-iframe-wrapper\"><div class=\"video-placeholder-wrapper video-placeholder-wrapper--fixed\" style=\"height: 366px;\">\n\t\t\t    <div class=\"video-placeholder d-flex justify-content-center align-items-center\">\n\t\t\t        <div class=\"overlay text-white p-2 w-100 text-center d-block justify-content-center align-items-center\">\n\t\t\t            <div>Kolmandate osapoolte sisu n\u00e4gemiseks palun n\u00f5ustu k\u00fcpsistega.<\/div>\n\t\t\t            <button class=\"btn btn-secondary btn-sm mt-1 consent-change\">Muuda n\u00f5usolekut<\/button>\n\t\t\t        <\/div>\n\t\t\t    <\/div>\n\t\t\t<\/div>\n<\/div>\n\n\n<div class=\"accordion-block mb-3\">\n\t\t<div class=\"accordion \" id=\"accordion-accordion-69dfb3bba2e93\">\n\t\t\t\t\t\t\t<div class=\"accordion-item accordion-item--white\">\n\t\t\t\t\t<h2 class=\"accordion-header\" id=\"accordion-69dfb3bba2e93-heading-1\">\n\t\t\t\t\t\t<button class=\"accordion-button collapsed\" type=\"button\" data-bs-toggle=\"collapse\" data-bs-target=\"#accordion-69dfb3bba2e93-collapse-1\" aria-expanded=\"true\" aria-controls=\"accordion-69dfb3bba2e93-collapse-1\">\n\t\t\t\t\t\t\tVaata lahendust\n\t\t\t\t\t\t<\/button>\n\t\t\t\t\t<\/h2>\n\t\t\t\t\t<div id=\"accordion-69dfb3bba2e93-collapse-1\" class=\"accordion-collapse collapse \" aria-labelledby=\"accordion-69dfb3bba2e93-heading-1\">\n\t\t\t\t\t\t<div class=\"accordion-body\">\n\t\t\t\t\t\t\t<p><strong>A. a) <\/strong>Arvutage, mitu mooli fosforhapet tekkis reaktsioonis, kui 12,0% P<sub>4<\/sub>O<sub>10<\/sub> hajus laiali ilma reaktsiooni astumata.<\/p>\n<p style=\"padding-left: 40px;\">P<sub>4<\/sub>O<sub>10<\/sub> \u00a0\u00a0+ \u00a0\u00a06 H<sub>2<\/sub>O\u00a0 \u00a0= \u00a0\u00a04 H<sub>3<\/sub>PO<sub>4<\/sub><\/p>\n<p style=\"padding-left: 40px;\">Leiame l\u00e4hteaine, mis on liias.<\/p>\n<p style=\"padding-left: 40px;\">1 mol P<sub>4<\/sub>O<sub>10<\/sub> \u00a0 \u21d4\u00a0 6 mol H<sub>2<\/sub>O<\/p>\n<p style=\"padding-left: 40px;\"><em>n<\/em>(H<sub>2<\/sub>O) = 6\/1 \u2219 15 mol = 90 mol &lt; 100 mol\u00a0 \u00a0 \u00a0 <strong>Vesi on liias.<\/strong><\/p>\n<p style=\"padding-left: 40px;\">1 mol P<sub>4<\/sub>O<sub>10<\/sub> \u00a0 \u21d4\u00a0 \u00a04 mol H<sub>3<\/sub>PO<sub>4<\/sub><\/p>\n<p style=\"padding-left: 40px;\"><em>n<\/em>(reaktsiooni astuv P<sub>4<\/sub>O<sub>10<\/sub>) = 15,0 mol \u2219 (1 \u2013 0,120) = 13,2 mol<\/p>\n<p style=\"padding-left: 40px;\"><em>n<\/em>(H<sub>3<\/sub>PO<sub>4<\/sub>) =\u00a0 4\/1 \u2219 13,2 mol = 52,8 mol<\/p>\n<p style=\"padding-left: 40px;\"><strong>Vastus:<\/strong> Saadust tekkis 52,8 mooli.<\/p>\n<p><strong>\u00a0 \u00a0 \u00a0b) <\/strong>Arvutage reaktsiooni saagiseprotsent l\u00e4htudes algsest fosfor(V)oksiidi kogusest.<\/p>\n<p style=\"padding-left: 40px;\"><em>Saagis<\/em> = 100% \u2212 12,0% = 88,0%<\/p>\n<p style=\"padding-left: 40px;\"><strong>Vastus:<\/strong> Reaktsiooni saagiseprotsent oli 88,0.<\/p>\n<p><strong>B.<\/strong> Arvutage, mitu mooli vett j\u00e4i reageerimata?<\/p>\n<p style=\"padding-left: 40px;\"><em>n<\/em>(reageerinud vesi) =\u00a0 6\/1 \u2219 13,2 mol = 79,2 mol<\/p>\n<p style=\"padding-left: 40px;\"><em>n<\/em>(reageerimata vesi) = 100,0 mol \u2212 79,2 mol = 20,8 mol<\/p>\n<p style=\"padding-left: 40px;\"><strong>Vastus:<\/strong> Vett j\u00e4i reageerimata 20,8 mooli.<\/p>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:5%\"><\/div>\n<\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Keemia sisseastumiseksam p\u00f5hineb p\u00f5hikooli ja g\u00fcmnaasiumi riikliku ainekava kohustuslikel kursustel. Keemia eksam sisaldab eri t\u00fc\u00fcpi k\u00fcsimusi ja \u00fclesandeid. Keemia sisseastumiseksami osas on lubatud kasutada perioodilisustabelit, metallide aktiivsuse rida ja lahustuvusetabelit (on sisseastujal kasutatavad testide keskkonnas). M\u00e4rkmete ja arvutuste tegemiseks v\u00f5ib &#8230;<\/p>\n","protected":false},"author":9,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-3","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/sisu.ut.ee\/arst-sisseastumiseksam\/wp-json\/wp\/v2\/pages\/3","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sisu.ut.ee\/arst-sisseastumiseksam\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sisu.ut.ee\/arst-sisseastumiseksam\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/arst-sisseastumiseksam\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/arst-sisseastumiseksam\/wp-json\/wp\/v2\/comments?post=3"}],"version-history":[{"count":18,"href":"https:\/\/sisu.ut.ee\/arst-sisseastumiseksam\/wp-json\/wp\/v2\/pages\/3\/revisions"}],"predecessor-version":[{"id":215,"href":"https:\/\/sisu.ut.ee\/arst-sisseastumiseksam\/wp-json\/wp\/v2\/pages\/3\/revisions\/215"}],"wp:attachment":[{"href":"https:\/\/sisu.ut.ee\/arst-sisseastumiseksam\/wp-json\/wp\/v2\/media?parent=3"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}