Gr 11 Fisiese Wetenskappe: Hfst 10 Som Energie en Verandering

<p>Die minimum energie benodig om die reaksie te begin</p> Signup and view all the answers

<p>Die hoogste energiepunt tydens die reaksie</p> Signup and view all the answers

<p>Met 'n negatiewe waarde alleen</p> Signup and view all the answers

<p>$C(s) + O_2(g) ightarrow CO_2(g)$</p> Signup and view all the answers

<p>Die energievlakke daal</p> Signup and view all the answers

<p>Energie word geabsorbeer</p> Signup and view all the answers

<p>Die grafiek toon 'n dalende tendens</p> Signup and view all the answers

<p>Dit is die tydelike toestand waar ou bindings breek en nuwe bindings vorm.</p> Signup and view all the answers

<p>Negatief</p> Signup and view all the answers

<p>Dit neem toe.</p> Signup and view all the answers

<p>Daar is 'n daling in energie van reaktante na produkte.</p> Signup and view all the answers

<p>Bindings in O2 en N2 moet breek.</p> Signup and view all the answers

<p>Die energie wat benodig word om die reaktante na die geaktiveerde kompleks te bring.</p> Signup and view all the answers

<p>Dit is die hoogste energie punt in die reaksie.</p> Signup and view all the answers

<p>Energie word geabsorbeer.</p> Signup and view all the answers

<p>Energie word vrygestel tydens die vorming van nuwe bindinge.</p> Signup and view all the answers

<p>Die energie wat benodig word om 'n chemiese binding te breek.</p> Signup and view all the answers

<p>Dit dui aan of energie geabsorbeer of vrygestel word.</p> Signup and view all the answers

<p>Endothermiese reaksies.</p> Signup and view all the answers

<p>Die energie in die produkte is minder as die in die reaktante.</p> Signup and view all the answers

<p>2H2(g) + O2(g) → 2H2O(g)</p> Signup and view all the answers

<p>Reaktante absorbeer energie uit die omgewing.</p> Signup and view all the answers

<p>Hoe sterker die binding, hoe meer energie word benodig om dit te breek.</p> Signup and view all the answers

<p>Die potensiële energie neem af.</p> Signup and view all the answers

<p>Die hoogtepunt van die energievlak.</p> Signup and view all the answers

<p>Toegenomen aktiveringsenergie.</p> Signup and view all the answers

<p>ΔH is positief.</p> Signup and view all the answers

<p>Eksotermies toon 'n daling, endothermies 'n styging.</p> Signup and view all the answers

<p>Om die reaktante se bindings te breek.</p> Signup and view all the answers

<p>Die reaksie genereer energie.</p> Signup and view all the answers

<p>Die maksimum energie tydens die reaksie.</p> Signup and view all the answers

<p>Energie word vrygestel.</p> Signup and view all the answers

<p>Hulle absorbeer energie.</p> Signup and view all the answers

<p>Die energie wat nodig is om twee atome se binding te breek.</p> Signup and view all the answers

<p>Of 'n reaksie energie absorbeer of vrystel.</p> Signup and view all the answers

<p>Energie moet geabsorbeer word.</p> Signup and view all the answers

<p>Die verbranding van waterstof.</p> Signup and view all the answers

<p>Hoër as die van die reaktante.</p> Signup and view all the answers

<p>Energie word vrygestel.</p> Signup and view all the answers

<p>ΔH is groter as nul.</p> Signup and view all the answers

<p>$C(s) + H_2O(l) ightarrow CO(g) + H_2(g)$</p> Signup and view all the answers

<p>Die minimum hoeveelheid energie wat nodig is om 'n reaksie te begin.</p> Signup and view all the answers

<p>$C(s) + H_2O(g) + 131 ext{kJ}· ext{mol}^{-1} ightarrow H_2(g) + CO(g)$</p> Signup and view all the answers

<p>Dit is laer as die energievlak van die reaktante.</p> Signup and view all the answers

<p>Die grafiek begin hoë en val af.</p> Signup and view all the answers

<p>Die reaksie is eksotermies.</p> Signup and view all the answers

<p>ΔH = E_{reaktante} - E_{produkte}</p> Signup and view all the answers

<p>Die energie word geabsorbeer.</p> Signup and view all the answers

<p>Die verskil in energie tussen die reaktante en produkte</p> Signup and view all the answers

<p>Bindenergie meet die energiekoste van bond breek.</p> Signup and view all the answers

<p>Endothermiese reaksies</p> Signup and view all the answers

<p>Die enthalpie (H)</p> Signup and view all the answers

<p>In beide eksotermiese en endothermiese reaksies</p> Signup and view all the answers

<p>Dit is laer as die reaktante</p> Signup and view all the answers

<p>Energie word geabsorbeer</p> Signup and view all the answers

<p>Dit absorbeer energie van die omgewing</p> Signup and view all the answers

<p>Eksotermiese reaksies toon 'n afname in energie, terwyl endothermiese reaksies 'n toename toon.</p> Signup and view all the answers

<p>Die kortstondige toestand waar nuwe bindings vorm.</p> Signup and view all the answers

<p>Dit vereis 'n substansiële hoeveelheid energie om die reaksie te begin.</p> Signup and view all the answers

<p>Dit daal na die vorming van produkte.</p> Signup and view all the answers

<p>Dit verhoog die totale energie in die stelsel.</p> Signup and view all the answers

<p>Met 'n negatiewe verandering in entalpie (∆H).</p> Signup and view all the answers

<p>Dit is die hoogste energievlak tydens die reaksie.</p> Signup and view all the answers

<p>Dit toon 'n toename in potensiële energie na die geaktiveerde kompleks.</p> Signup and view all the answers

<p>Energie word geabsorbeer.</p> Signup and view all the answers

<p>Dit is die maksimum energie wat benodig word om bonds te breek.</p> Signup and view all the answers

<p>Die energie van die produkte is hoër as dié van die reaktante.</p> Signup and view all the answers

<p>$H_2(g) + Cl_2(g) ightarrow 2HCl(g)$</p> Signup and view all the answers

<p>Dit is die toestand met die hoogste energie in die reaksie.</p> Signup and view all the answers

<p>Dit breek die bindings van die reaktante.</p> Signup and view all the answers

<p>$ riangle H = E_{ ext{products}} - E_{ ext{reactants}}$</p> Signup and view all the answers

<p>Energie word vrygestel en die produkte het laer energie.</p> Signup and view all the answers

<p>ΔH kan positief of negatief wees, afhangende van die reaksie.</p> Signup and view all the answers