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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3 stepsHizi hapa ni majibu ya maswali yako:
Rangi ya shaba (II) sulfati baada ya kupashwa moto ilibadilika kutoka bluu na kuwa nyeupe.
Mchakato uliotokea baada ya kupasha moto ni upotezaji wa maji ya fuwele (dehydration). Shaba (II) sulfati yenye maji (hydrated copper (II) sulphate), ambayo ni bluu, ilipoteza molekuli zake za maji na kuwa shaba (II) sulfati isiyo na maji (anhydrous copper (II) sulphate), ambayo ni nyeupe.
a) Sublimation ni mchakato ambapo dutu hubadilika moja kwa moja kutoka hali imara (solid) kwenda hali ya gesi (gas) bila kupitia hali ya kioevu (liquid).
b) Sublimation husaidia kuhifadhi aiskrimu kwa sababu wafanyabiashara wa aiskrimu hutumia barafu kavu (dry ice), ambayo ni kaboni dioksidi imara. Barafu kavu inapopitia sublimation, inachukua kiasi kikubwa cha joto kutoka kwenye mazingira, na hivyo kuweka aiskrimu baridi sana. Pia, haachi mabaki ya kioevu kama barafu ya kawaida.
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Hizi hapa ni majibu ya maswali yako: 1. Rangi ya shaba (II) sulfati baada ya kupashwa moto ilibadilika kutoka bluu na kuwa nyeupe.
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.