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nika2105 [10]
4 years ago
7

Whitch of the following is a statement of mechanical weathering

Chemistry
2 answers:
guapka [62]4 years ago
8 0
Is there multiple choice?
Natasha_Volkova [10]4 years ago
6 0
The physical breakdown of rock by environmental factors. (C) hope this will help:)
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a 9.84 ounces ingot of unknown metal is heated from 73.2 degrees fahrenheit - 191.2 degrees fahrenheit this requires 3.912 calor
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The SI unit of specific heat is J per gram per degree Celsius. Thus it follows that specific heat could be calculated in this way:

Specific Heat = Energy / (mass x change in temperature)

Thus,

Specific Heat = 3.912 cal / (9.84 oz x (191.2 ˚F – 73.2 ˚F))

Specific Heat = 3.369 x 10^-3 cal/oz-˚F

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Answer is: 12 grams of the isotope carbon-12 (¹²C).

The Avogadro’s number is the number of atoms in 12 grams of the isotope carbon-12 (¹²C).

Na is Avogadro number or Avogadro constant (the number of particles, in this example carbon, that are contained in the amount of substance given by one mole).

The Avogadro number has value 6.022·10²³ 1/mol in the International System of Units; Na = 6.022·10²³ 1/mol.

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