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3 years ago

How does heat get from the stove burner into your soup?

Chemistry

1 answer:

Vladimir [108]3 years ago

3 0

Answer:

hey. I remember learning about this and asking my teacher why the heck would you think about all that instead of just eating the food XD.....

but the Heat from the burner warms the pan by conduction. The liquid soup is warmed by convection currents. ... Metal is a good conductor of heat. Theheat energy moves from the hot liquid through the spoon by conduction.

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The cylinder of aluminum in class was approximately 13mm in circumference and 42mm in length. What would be it's approximate mas

Roman55 [17]

Answer:

Mass, m = 1.51 grams

Explanation:

It is given that,

The circumference of Aluminium cylinder, C = 13 mm = 1.3 cm

Length of the cylinder, h = 4.2 cm

We know that the density of the Aluminium is 2.7 g/cm³

Circumference, C = 2πr

$r=\dfrac{C}{2\pi}\\\\r=\dfrac{1.3}{2\pi}\\\\r=0.206\ cm$

Density is equal to mass per unit volume.

$d=\dfrac{m}{V}$

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$V=\pi r^2h\\\\V=\dfrac{22}{7}\times0.206^2\times 4.2\\\\V=0.5601\ cm^3$

So,

$m=d\times V\\\\m=2.7\times 0.5601\\\\m=1.51\ g$

So, the mass of the cylinder is 1.51 grams.

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4 years ago

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Answer:

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