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topjm [15]
3 years ago
9

Heat is the movement of thermal energy from one place to another. true or false

Chemistry
2 answers:
kykrilka [37]3 years ago
8 0

Thermal energy that is transferred from one substance to another; moves from warmer to cooler objects. So True.

yuradex [85]3 years ago
6 0

Answer: The given statement is true.

Explanation:

When particles of a substance or object attain internal energy due to the kinetic energy of its particles then this energy is known as thermal energy.

So, when two objects of different temperature are kept in contact with each other then this thermal energy flows from hotter object to cooler object.

This is known as heat is flowing from hot object to cool object.

Hence, we can conclude that the statement heat is the movement of thermal energy from one place to another, is true.

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How many total atoms are in 0.920 g of P2O5?
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142 g ---------------- 6.02 x 10²³ molecules
0.920g g ------------ ( molecules )

molecules = 0.920 x ( 6.02 x 10²³ ) / 142

molecules = 5.53 x 10²³ / 142

= 3.89 x 10²¹ molecules

1 molecule P2O5 -------------------------- 7 atoms
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atoms = ( 3.89 x 10²¹) x 7 / 1

atoms = 2.72 x 10²² atoms of P2O5

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