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What is the amount of energy needed to heat 2.3 g of aluminum from 6.2oC to 46.9oC in Joules?
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What is the amount of energy needed to heat 2.3 g of aluminum from 6.2oC to 46.9oC in Joules?

User Rfdc
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1 Answer

6 votes

Answer:

Heat required = 84.25 Joule

Step-by-step explanation:

Heat required = mass × specific heat capacity × temperature change

Specific heat capacity of aluminium = 0.90 J/g/K

Heat required = 2.3 × 0.9 × (46.9 -6.2)

= 84.25 Joules

User Sanjeev
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