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slamgirl [31]
3 years ago
10

Is it true that paper is warm and metal is cold? Can metal sometimes be warm? Can paper be

Biology
1 answer:
iren2701 [21]3 years ago
6 0
Metal is only cold because of our bodies temperature, that’s what makes it seem cold when we hold it. But metal is normally warm
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Help giving brainliest
garri49 [273]

According to Lavoisier's law, in the given reaction the mass of zinc produced will be 104 g.

Let's consider the following reaction.

Ca    +    ZnCO₃    ⇒    CaCO₃    +    Zn

64g         192 g              152 g           ? g

<h3>What does Lavoisier's law state?</h3>

Lavoisier's law states that the sum of the masses of the reactants before the reaction is equal to the sum of the masses of the products after the reaction.

mCa + mZnCO₃ = mCaCO₃ + mZn

mZn = mCa + mZnCO₃ - mCaCO₃

mZn = 64 g + 192 g - 152 g = 104 g

What would be the amount of zinc formed during the reaction?

  • The mass of zinc produced will be 104 g. TRUE.
  • The mass of zinc will be the same as that of zinc carbonate. FALSE.
  • The mass of zinc produced will be 52 g. FALSE.
  • The mass of zinc will be the same as that of calcium. FALSE.

According to Lavoisier's law, in the given reaction the mass of zinc produced will be 104 g.

Learn more about Lavoisier's law here: brainly.com/question/11429078

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Anuta_ua [19.1K]

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What is AAs even stand for?

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Buffers are chemicals that do all of the following except...?
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D - Allow pH to change drastically.

The reason that we have buffer in our system is to protect AGAINST sudden change of pH
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