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Nady [450]
3 years ago
12

Conclusiones entre el método científico con el de Galileo

Chemistry
1 answer:
rosijanka [135]3 years ago
5 0

Answer:Speak English

Explanation: No speak Spanish

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What is the percentage of lithium in lithium carbonate (Li2CO3)?
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Molar mass Li2CO3 = 73.89 g/mol
Molar mass Li = 6.94g/mol Li = 6.94*2 = 13.88g


% LI = 13.88/73.89*100 = 18.78% perfectly correct.
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student has calibrated his/her calorimeter and finds the heat capacity to be 14.2 J/°C. S/he then determines the molar heat capa
nika2105 [10]

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24.03 J/mol.ºC

Explanation:

For a calorimeter, the heat lost must be equal to the heat gained from water plus the heat gained from calorimeter, which has the same initial temperature as the water.

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-mal*Cal*ΔTal = mw*Cw*ΔTw + Cc*ΔTc

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