This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.

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Haya hapa majibu ya maswali yako:
a) Kemia ni tawi la sayansi linalochunguza muundo, sifa, na mabadiliko ya maada. Inachunguza jinsi vitu vinavyoundwa na jinsi vinavyoingiliana.
b) • Kemia Hai (Organic Chemistry): Inahusu utafiti wa misombo yenye kaboni, hasa yale yanayopatikana katika viumbe hai. • Kemia Isiyo Hai (Inorganic Chemistry): Inahusu utafiti wa misombo yote isiyo na kaboni, kama vile metali, madini, na gesi adimu.
c) • Mwanakemia wa Utafiti (Research Chemist) • Mhandisi wa Kemikali (Chemical Engineer)
d) Step 1: Namba ya masi (mass number) huhesabiwa kwa kujumlisha idadi ya protoni na idadi ya neutroni katika atomi. Step 2: Badilisha thamani zilizopewa kwenye fomula. Step 3: Fanya hesabu. Namba ya masi ya atomi ya risasi ni .
e) Hapana, namba ya masi haibadiliki. Namba ya masi inategemea idadi ya protoni na neutroni katika kiini cha atomi. Kupoteza au kupata elektroni huathiri tu chaji ya atomi (kuunda ioni) lakini hakuathiri idadi ya protoni au neutroni.
f) Elektroni hupuuzwa wakati wa kuhesabu masi ya atomi kwa sababu zina masi ndogo sana ikilinganishwa na protoni na neutroni. Masi ya elektroni ni takriban ya masi ya protoni au neutroni, hivyo mchango wao katika jumla ya masi ya atomi ni mdogo sana kiasi cha kutoweza kuzingatiwa.
Tuma swali linalofuata 📸
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Haya hapa majibu ya maswali yako: a) Kemia ni tawi la sayansi linalochunguza muundo, sifa, na mabadiliko ya maada.
This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.