Why does the mass of steel wool increase after getting burned? Help pls

Chemistry

1 answer:

Elenna [48]2 years ago

4 0

Answer:

heat and large amount of surface area

Explanation:

the heat and surface area allows the iron in the wool to combine with oxygen. by doing this it increases the mass of the steel wool

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Round off each number to the indicated number significant figures (sf):

qaws [65]

Answer :

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Explanation :

Significant figures : The figures in a number which express the value -the magnitude of a quantity to a specific degree of accuracy is known as significant digits.

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In 22.4555, there are 6 significant figures. Now we have to convert it into 3 significant figures.

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VashaNatasha [74]

The nucleus!! This is made up of protons and neutrons that each weigh about 1 amu.

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First law of Thermodynamics

guapka [62]

Answer:

Thermal energy is taken from heat sink in higher temperature. A thermal power machine does mechanical energy using part of the heat.

Part of heat taken are given in cold reservoir in lower temperature

Explanation:

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