In Reaksie 1 tree platinum (Pt) as h katalisator op - NSC Physical Sciences - Question 8 - 2016 - Paper 2
Question 8
In Reaksie 1 tree platinum (Pt) as h katalisator op.
Watter NAAM word gegee aan die energie wat h katalisator verander in h chemiese reaksie?
Reaksie 2 bereik eewi... show full transcript
Worked Solution & Example Answer:In Reaksie 1 tree platinum (Pt) as h katalisator op - NSC Physical Sciences - Question 8 - 2016 - Paper 2
Step 1
Watter NAAM word gegee aan die energie wat h katalisator verander in h chemiese reaksie?
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Answer
Die energie wat deur 'n katalisator verander word, word 'activating energy' of aktiveringsenergie genoem.
Step 2
Is die reaksie EKSTERMOERIES of ENDOTERMIES? Gee h rede.
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Die reaksie is eksotermies omdat ΔH < 0 is, wat aandui dat energie vrystel tydens die reaksie.
Step 3
Skryf TWEE veranderings neer wat gedoen moet word om die opbrengs van NO2 te laat toenem.
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Verhoog die druk in die reaksiebak.
Voeg meer NO of O2 by die stelsels toe.
Step 4
Wat is die waarde van ΔH per mol van die NO2 wat gevorm word?
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Die waarde van ΔH per mol van die NO2 wat gevorm word is -74.55 kJ.
Step 5
Skryf neer die NAAM van die tipe reaksie tussen suur en basies.
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Die tipe reaksie tussen suur en basies is neutralisasie.
Step 6
Watter partikel (PROTON en ELEKTRON) is oORGEDRA tydens die reaksie in VRAAG 8.3?
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Die proton is die partikel wat oorgedra word tydens die reaksie.
Step 7
Bereken die persentasie suiwerheid van ammoniumnitraatmonster.
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Gebruik die formule voor die persentasie suiwerheid te bereken:
