An object weighing 80 kg floating in a fluid. How does the object's density compared to the density of the fluid

Chemistry

2 answers:

Likurg_2 [28]3 years ago

7 0

An object weighing 80 kg is floating in a fluid. How does the object's density compare to the the density of the fluid?

<span>Question 5 options:<span>The object is less dense than the fluid.The object has the same density as the fluid.Not enough information is given.The object is more dense than the fluid.So I'm Pretty Sure It Is B</span></span>

posledela3 years ago

6 0

The object is less then the fluid c

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Answer:

$c=2.0769\ \frac{J}{g\ \textdegree C}$

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$q=mc\bigtriangleup T$

Where:

$q$ is the heat gained or loosed by the substance

$m$ is the mass of the substance

$c$ is the specific heat of the substance

$\bigtriangleup T$ is the change in temperature

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$q=mc\bigtriangleup T\\\\c=\frac{q}{m\bigtriangleup T}\\\\\bigtriangleup T=(57-32)\textdegree C=25\textdegree C\\\\\therefore c=\frac{6.75\times 10^4J}{1.3\times 1000\ g\times 25\textdegree C}\\\\=2.0769 \ \frac{J}{g\ \textdegree C}$

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