https://peda.net/id/d661d94a17f 2022-08-09T18:52:48+03:00 https://peda.net/:static/537/peda.net.logo.bg.svg <div class="license">Tämän sivun lisenssi <a rel="license" href="https://peda.net/info">Peda.net-yleislisenssi</a></div> https://peda.net/id/d66239b317f 2017-09-27T19:52:54+03:00 <table class="taulukko yesborders"><!--filtered attribute: cellspacing="1"--><!--filtered attribute: cellpadding="1"--> <tbody> <tr> <td colspan="2"> <h2><span>Kiinteät alkuaineet</span></h2> </td> </tr> <tr> <td><b>Alkuaine</b></td> <td><b>Tiheys (20^oC) g/cm³</b></td> </tr> <tr> <td><b>alumiini</b></td> <td>2,70</td> </tr> <tr> <td><b>antimoni</b></td> <td>6,69</td> </tr> <tr> <td><b>arseeni</b></td> <td>5,73</td> </tr> <tr> <td><b>barium</b></td> <td>3,5</td> </tr> <tr> <td><b>beryllium</b></td> <td>1,85</td> </tr> <tr> <td><b>boori</b></td> <td>2,34</td> </tr> <tr> <td><b>cesium</b></td> <td>1,87</td> </tr> <tr> <td><b>fosfori</b><br/> <b>(valkoinen)</b></td> <td>1,82</td> </tr> <tr> <td><b>gallium</b></td> <td>5,91</td> </tr> <tr> <td><b>germanium</b></td> <td>5,32</td> </tr> <tr> <td><b>hiili</b><br/> <b>(grafiitti)</b></td> <td>1,8…2,3</td> </tr> <tr> <td><b>hopea</b></td> <td>10,5</td> </tr> <tr> <td><b>indium</b></td> <td>7,31</td> </tr> <tr> <td><b>iridium</b></td> <td>22,4</td> </tr> <tr> <td><b>jodi</b></td> <td>4,93</td> </tr> <tr> <td><b>kadmium</b></td> <td>8,65</td> </tr> <tr> <td><b>kalium</b></td> <td>0,86</td> </tr> <tr> <td><b>kalsium</b></td> <td>1,55</td> </tr> <tr> <td><b>koboltti</b></td> <td>8,89</td> </tr> <tr> <td><b>kromi</b></td> <td>7,19</td> </tr> <tr> <td><b>kulta</b></td> <td>19,3</td> </tr> <tr> <td><b>kupari</b></td> <td>8,96</td> </tr> <tr> <td><b>litium</b></td> <td>0,534</td> </tr> <tr> <td><b>lyijy</b></td> <td>11,35</td> </tr> <tr> <td><b>magnesi-</b><br/> <b>um</b></td> <td>1,74</td> </tr> <tr> <td><b>mangaani</b></td> <td>7,21</td> </tr> <tr> <td><b>molyb-</b><br/> <b>deeni</b></td> <td>10,22</td> </tr> <tr> <td><b>natrium</b></td> <td>0,971</td> </tr> <tr> <td><b>nikkeli</b></td> <td>8,90</td> </tr> <tr> <td><b>osmium</b></td> <td>22,57</td> </tr> <tr> <td><b>pii</b></td> <td>2,33</td> </tr> <tr> <td><b>platina</b></td> <td>21,45</td> </tr> <tr> <td><b>radium</b></td> <td>5</td> </tr> <tr> <td><b>rauta</b></td> <td>7,87</td> </tr> <tr> <td><b>rikki</b></td> <td>2,07</td> </tr> <tr> <td><b>seleeni</b></td> <td>4,79</td> </tr> <tr> <td><b>sinkki</b></td> <td>7,13</td> </tr> <tr> <td><b>tina</b><br/> <b>(valkoinen)</b></td> <td>7,28</td> </tr> <tr> <td><b>titaani</b></td> <td>4,54</td> </tr> <tr> <td><b>uraani</b></td> <td>18,9</td> </tr> <tr> <td><b>vanadiini</b></td> <td>6,11</td> </tr> <tr> <td><b>vismutti</b></td> <td>9,75</td> </tr> <tr> <td><b>volframi</b></td> <td>19,3</td> </tr> <tr> <td><b>zirkonium</b></td> <td>6,53</td> </tr> </tbody> </table> <br/> <table class="taulukko yesborders"><!--filtered attribute: cellspacing="1"--><!--filtered attribute: cellpadding="1"--> <tbody> <tr> <td colspan="2"> <h2><span>Metalliseokset</span></h2> </td> </tr> <tr> <td><b>Aine</b><br/> <b>(Koostumus-%)</b></td> <td><b>Tiheys g/cm³</b></td> </tr> <tr> <td><b>alumiiniprossi</b><br/> <b>Cu 94,6 Al 5 Mn 0,4</b></td> <td>8,1</td> </tr> <tr> <td><b>duralumiini</b><br/> <b>Al 94 Cu 4 Mg 1</b><br/> <b>Mn 0,5 Si 0,5</b></td> <td>2,8</td> </tr> <tr> <td><b>elektron</b><br/> <b>Mg 92 Al 5 Zn 3</b></td> <td>1,8</td> </tr> <tr> <td><b>invarteräs</b><br/> <b>Fe 64 Ni 36</b></td> <td>8,1</td> </tr> <tr> <td><b>kantaali</b><br/> <b>Fe 67,5 Cr 25</b><br/> <b>Al 5,5 Co 2</b></td> <td>7,1</td> </tr> <tr> <td><b>konstantaani</b><br/> <b>Cu 58 Ni 41 Mn 1</b></td> <td>8,9</td> </tr> <tr> <td><b>manganiini</b><br/> <b>Cu 85 Mn 12</b><br/> <b>Ni 2 Fe 1</b></td> <td>8,5</td> </tr> <tr> <td><b>messinki</b><br/> <b>Cu 63 Zn 37</b></td> <td>8,4</td> </tr> <tr> <td><b>silumiini</b><br/> <b>Al 87 Si 13</b></td> <td>2,6</td> </tr> <tr> <td><b>teräs</b><br/> <b>C 0,25</b></td> <td>7,8</td> </tr> <tr> <td><b>tinapronssi</b><br/> <b>Cu 91 Sn 9 P 0,25</b></td> <td>8,9</td> </tr> <tr> <td><b>uushopea</b><br/> <b>Cu 60 Zn 22 Ni 18</b></td> <td>8,7</td> </tr> <tr> <td><b>Woodin metalli</b><br/> <b>Bi 50 Pb 25</b><br/> <b>Sn 12,5 Cd 12,5</b></td> <td>9,7</td> </tr> </tbody> </table> <br/> <table class="taulukko yesborders"><!--filtered attribute: cellspacing="1"--><!--filtered attribute: cellpadding="1"--> <tbody> <tr> <td colspan="2"> <h2><span>Nesteet</span></h2> </td> </tr> <tr> <td><b>Aine</b></td> <td><b>Tiheys g/cm³</b></td> </tr> <tr> <td><b>asetoni</b></td> <td> 0,79</td> </tr> <tr> <td><b>bentseeni</b></td> <td>0,88</td> </tr> <tr> <td><b>bromi</b></td> <td>3,14</td> </tr> <tr> <td><b>dietyylieetteri</b></td> <td>0,72</td> </tr> <tr> <td><b>elohopea</b></td> <td>13,54</td> </tr> <tr> <td><b>etanoli</b></td> <td>0,79</td> </tr> <tr> <td><b>glykoli</b></td> <td>1,12</td> </tr> <tr> <td><b>glyseroli</b></td> <td>1,27</td> </tr> <tr> <td><b>metanoli</b></td> <td>0,80</td> </tr> <tr> <td><b>rikkihappo</b></td> <td>1,85</td> </tr> <tr> <td><b>tetrakloori-</b><br/> <b>metaani</b></td> <td>1,60</td> </tr> <tr> <td><b>vesi H₂O</b></td> <td>1,00</td> </tr> <tr> <td><b> D₂O</b></td> <td>1,10</td> </tr> </tbody> </table> <br/> <br/> <table class="taulukko yesborders"><!--filtered attribute: cellspacing="1"--><!--filtered attribute: cellpadding="1"--> <tbody> <tr> <td colspan="2"> <h2><span>Muita aineita</span></h2> </td> </tr> <tr> <td><b>Aine</b></td> <td><b>Tiheys g/cm³</b></td> </tr> <tr> <td><b>akryyli</b></td> <td>1,2</td> </tr> <tr> <td><b>asbesti</b></td> <td>2,0…2,8</td> </tr> <tr> <td><b>betoni</b></td> <td>1,5…2,4</td> </tr> <tr> <td><b>graniitti</b></td> <td>2,7</td> </tr> <tr> <td><b>hiekka</b></td> <td>1,2…1,6</td> </tr> <tr> <td><b>jää(-4^oC)</b></td> <td>0,917</td> </tr> <tr> <td><b>kipsi</b></td> <td>1,0</td> </tr> <tr> <td><b>korkki</b></td> <td>0,20…0,35</td> </tr> <tr> <td><b>kumi</b></td> <td>0,92…0,96</td> </tr> <tr> <td><b>kvartsi</b></td> <td>2,2</td> </tr> <tr> <td><b>lasi (ikkuna)</b></td> <td>2,5</td> </tr> <tr> <td><b>nailon</b></td> <td>1,1</td> </tr> <tr> <td><b>paperi</b></td> <td>0,7…1,2</td> </tr> <tr> <td><b>parafiini</b></td> <td>0,85</td> </tr> <tr> <td><b>puu, havu</b></td> <td>0,52</td> </tr> <tr> <td><b>polyeteeni</b></td> <td>0,92</td> </tr> <tr> <td><b>polystreeni</b></td> <td>1,05</td> </tr> <tr> <td><b>PVC</b></td> <td>1,4</td> </tr> <tr> <td><b>posliini</b></td> <td>2,3…2,5</td> </tr> <tr> <td><b>ruokasuola</b></td> <td>2,16</td> </tr> <tr> <td><b>ruokosokeri</b></td> <td>1,6</td> </tr> <tr> <td><b>styroksi</b></td> <td>&gt;0,015</td> </tr> <tr> <td><b>teflon</b></td> <td>2,1…2,3</td> </tr> <tr> <td><b>tiili</b></td> <td>1,4…1,8</td> </tr> <tr> <td><b>vuorivilla</b></td> <td>0,015…0,130</td> </tr> </tbody> </table> 2022-08-09T18:52:48+03:00 https://peda.net/id/d662b93417f 2017-09-28T12:33:55+03:00 Tiheyden määrittämiseksi tarvitsee tietää kappaleen massa ja sen tilavuus. Massa ilmoitetaan aina grammoina ja tilavuus yksikössä cm³. <br/> <p class="centered"><strong class="editor red">Muista, että 1 ml = 1 cm^{3 <br/> <br/>} 1 l = 1 dm³<br/> </strong></p> <br/> <span class="center medium"><a href="https://peda.net/forssa/perusopetus/akvarelli/oppiaineet/fysiikka/pekka-lavi/arkisto/8-n-e-kirja2/tiheyslaskuja/teoria/tiheyskaava-jpg#top" title="TIHEYSKAAVA.jpg"><img src="https://peda.net/forssa/perusopetus/akvarelli/oppiaineet/fysiikka/pekka-lavi/arkisto/8-n-e-kirja2/tiheyslaskuja/teoria/tiheyskaava-jpg:file/photo/4656dc4236ba6cf4181b5f459e1a048b4622e520/TIHEYSKAAVA.jpg" alt="" title="TIHEYSKAAVA.jpg" class="inline" loading="lazy"/></a></span>​<br/> <br/> <b>Esimerkki 1.</b> Kappaleen massa on 16,20 grammaa ja sen tilavyys on 33,1 cm³. Lasketaan kappaleen tiheys.<br/> <br/> m= 16,2 g<br/> V = 33,1 cm^3<br/><span>ρ = ? </span><br/> <br/> <span>ρ = 16,20 g : 33,1 cm³ = </span>​0,489... g/cm³ ≈ 0,50 <span> g/cm</span>³<br/> <br/> Taulukon perusteella aineen voidaan olettaa olevan puuta. <br/> <br/> <b>Esimerkki 2. </b>Jaksaisitko nostaa ämpärillisen kultaa? ( V = 10 l)<br/> <br/> V = 10 l = 10 dm^3<br/><span>ρ</span> = 19,3 g/ cm³= 19,3 kg/ dm^{3<br/> <br/> <br/>}m = 19,3 kg/ dm³ 10 dm³ = 193 kg <br/> <br/> <br/> <br/> 2022-08-09T18:52:48+03:00