Problem: A piece of unknown substance weighs 44.7 g and requires 2110 J to increase its temperature from 23.2°C to 89.6°C.If it is one of the substances found in Table 5.1, what is its likely identity?

FREE Expert Solution

q =mcTq=mc(Tf-Ti)

substitute values:

2110 J=(44.7 g)(c)(89.6°C-23.2°C)2110 J=(44.7 g)(c)(66.4°C)

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Problem Details

A piece of unknown substance weighs 44.7 g and requires 2110 J to increase its temperature from 23.2°C to 89.6°C.

If it is one of the substances found in Table 5.1, what is its likely identity?

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