Determinaçãoo do calor específico da água e da capacidade térmica do calorímetro

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❉❡t❡r♠✐♥❛çã♦ ❞♦ ❝❛❧♦r ❡s♣❡❝í✜❝♦ ❞❛ á❣✉❛ ❡ ❞❛
❝❛♣❛❝✐❞❛❞❡ tér♠✐❝❛ ❞♦ ❝❛❧♦rí♠❡tr♦ ✉t✐❧✐③❛♥❞♦ ♦
♠ét♦❞♦ ❞♦s ♠í♥✐♠♦s q✉❛❞r❛❞♦s
❆r✐❛♥❡ ❇❛r❜♦s❛
❍❛r♦❧❞♦ ▼❡♥❡③❡s ●♦♠❡s ❏ú♥✐♦r
❖s♠❛r ▼❛♥③♦♥✐ ◆❡t♦
❱ít♦r ●✉✐❧❤❡r♠❡ ❞❡ ❖❧✐✈❡✐r❛
✶✹ ❞❡ ♠❛✐♦ ❞❡ ✷✵✶✺

❘❡s✉♠♦
❈♦♠ ♦ ✐♥t✉✐t♦ ❞❡ ♦❜t❡r ❡①♣❡r✐♠❡♥t❛❧♠❡♥t❡ ♦ ❝❛❧♦r ❡s♣❡❝í✜❝♦ ❞❛ á❣✉❛✱
❢♦✐ ❢❡✐t❛ ✉♠❛ ❛♥á❧✐s❡ ❞♦ ❛q✉❡❝✐♠❡♥t♦✱ ♣♦r ✉♠❛ ❢♦♥t❡ ❡❧étr✐❝❛✱ ❞❡ ✉♠ s✐s✲ t❡♠❛ ❝♦♠♣♦st♦ ♣❡❧♦ ❝❛❧♦rí♠❡tr♦ ❡ ♣❡❧❛ á❣✉❛✱ ♦♥❞❡ ❛ ❝❛❞❛ ♠❡❞✐çã♦ ✉♠❛
♥♦✈❛ ♠❛ss❛ ❞❡ á❣✉❛ ❡r❛ ❛q✉❡❝✐❞❛✳ P❛r❛ ✐ss♦ ♠♦♥t♦✉✲s❡ ✉♠ ♠♦❞❡❧♦ ♠❛t❡✲
♠át✐❝♦✱ ✉t✐❧✐③❛♥❞♦ ❛ ♣r✐♠❡✐r❛ ❧❡✐ ❞❛ t❡r♠♦❞✐♥â♠✐❝❛✱ ❝❛♣❛③ ❞❡ ❞❡t❡r♠✐♥❛r
♦ ❝❛❧♦r ❡s♣❡❝í✜❝♦ ❞❛ á❣✉❛ ❡ ❛ ❝❛♣❛❝✐❞❛❞❡ tér♠✐❝❛ ❞♦ ❝❛❧♦rí♠❡tr♦ ✉t✐❧✐③❛❞♦
♥♦ ❡①♣❡r✐♠❡♥t♦✱ ❝♦♠♣❛r❛♥❞♦✲♦s ❛♦s ✈❛❧♦r❡s r❡❛✐s✳ ❆ ♣❛rt✐r ❞♦ ♠♦❞❡❧♦ ❝r✐✲
❛❞♦✱ ❡ ❞♦s ❞❛❞♦s ❝♦❧❡t❛❞♦s ❢♦✐ ♣♦ssí✈❡❧ ❛ ❝♦♥str✉çã♦ ❞❡ ✉♠ ❣rá✜❝♦✱ ♥♦ q✉❛❧
♣❛r❛ ❛❥✉st❛r ❛ r❡t❛✱ r❡❝♦rr❡✉✲s❡ ❛♦ ♠ét♦❞♦ ❞♦s ♠í♥✐♠♦s q✉❛❞r❛❞♦s✱ ♦ q✉❛❧ t❛♠❜é♠ ❢♦✐ ✉t✐❧✐③❛❞❛ ♣❛r❛ ❝❛❧❝✉❧❛r ♣r♦♣❛❣❛çõ❡s ❞❡ t♦❞❛s ❛s ✐♥❝❡rt❡③❛s✳

P❛rt❡ ■

■♥tr♦❞✉çã♦
❈❛❧♦r✐♠❡tr✐❛ é ❛ ár❡❛ ❞❛ ❢ís✐❝❛ q✉❡ ❡st✉❞❛ ❛s tr♦❝❛s ❞❡ ❝❛❧♦r q✉❡ ♦❝♦rr❡♠ ❞❡♥tr♦
❞❡ ✉♠ s✐st❡♠❛ ❡ ❛s ✈❛r✐❛çõ❡s ❛❜r❛♥❣✐❞❛s ❛ ❡❧❡✳ ❊st❡ r❛♠♦ ♣❡r♠✐t❡ ❞❡t❡r♠✐♥❛r ♦
❝❛❧♦r ❡s♣❡❝✐✜❝♦ ❡ ❛ ❝❛♣❛❝✐❞❛❞❡ tér♠✐❝❛ ❞♦s ♠❛t❡r✐❛✐s✳
❈❛❧♦r é ❛ tr❛♥s❢❡rê♥❝✐❛ ❞❡ ❡♥❡r❣✐❛ ❞❡ ✉♠ s✐st❡♠❛ ❡♠ ❞❡t❡r♠✐♥❛❞❛ t❡♠♣❡✲ r❛t✉r❛✱ ♣❛r❛ ♦✉tr♦ s✐st❡♠❛ ♦✉ ♠❡✐♦✱ ♥✉♠❛ t❡♠♣❡r❛t✉r❛ ✐♥❢❡r✐♦r✳

❖✉ s❡❥❛✱ ♦

❝❛❧♦r s❡ tr❛♥s❢❡r❡ ❞♦ s✐st❡♠❛ ❞❡ ♠❛✐♦r t❡♠♣❡r❛t✉r❛✱ ♣❛r❛ ♦ s✐st❡♠❛ ❞❡ ♠❡♥♦r t❡♠♣❡r❛t✉r❛ ❡ ❛ tr❛♥s❢❡rê♥❝✐❛ ❞❡ ❝❛❧♦r s❡ ❞á ❡①❝❧✉s✐✈❛♠❡♥t❡ ♣❡❧♦ ❢❛t♦ ❞❡ ❛♠❜♦s
♣♦ss✉ír❡♠ ❞✐❢❡r❡♥ç❛ ♥❛ t❡♠♣❡r❛t✉r❛✳ ➱ ✐♠♣♦rt❛♥t❡ ❧❡♠❜r❛r q✉❡ ♥❡♥❤✉♠ ❝♦r♣♦
❝♦♥té♠ ❝❛❧♦r✱ s❡♥❞♦ ❛ss✐♠ ♣♦❞❡✲s❡ ❝❛r❛❝t❡r✐③❛r ♦ ❝❛❧♦r ❝♦♠♦ ✉♠ ❢❡♥ô♠❡♥♦ tr❛♥✲ s✐tór✐♦✱ ♦ q✉❛❧ é ✐❞❡♥t✐✜❝❛❞♦ ♣❡❧❛ ❢r♦♥t❡✐r❛ ❞♦ s✐st❡♠❛✳
♣r♦❝❡ss♦ ♥❡♥❤✉♠ ❞♦s s✐st❡♠❛s ❝♦♥té♠ ❝❛❧♦r ❬✶❪✳



P♦rt❛♥t♦ ♥♦ ✜♥❛❧ ❞♦

❈❛❧♦r ❡s♣❡❝✐✜❝♦ é ❛ q✉❛♥t✐❞❛❞❡ ❞❡ ❝❛❧♦r ♥❡❝❡ssár✐❛ ♣❛r❛ ❡❧❡✈❛r ❛ t❡♠♣❡r❛t✉r❛
❞❡ ✉♠ ❣r❛✉ ♣♦r ✉♥✐❞❛❞❡ ❞❡ ♠❛ss❛✳
➱ ♣♦ssí✈❡❧ ❢❛③❡r ❛ tr❛♥s❢❡rê♥❝✐❛ ❞❡ q✉❛♥t✐❞❛❞❡s ✐❧✐♠✐t❛❞❛s ❞❡ ❝❛❧♦r ♣❛r❛ ❞❡t❡r✲
♠✐♥❛❞♦ s✐st❡♠❛✱ ♣❛r❛ t❛♥t♦ é

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