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KonstantinChe [14]
3 years ago
14

What does the Law of conservation of matter say

Chemistry
1 answer:
KATRIN_1 [288]3 years ago
3 0

Answer: during a chemical reaction, matter cannot be created or destroyed

Explanation:

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During a reaction, the enthalpy of formation of an intermediate is 34 kJ/mol.
galina1969 [7]

Since the enthalpy can be calculated from the heat of formation, the enthalpy is 136 kJ/mol.

<h3>What is enthalpy?</h3>

The enthalpy of a reaction is the heat that is lost or gained in that reaction. We know that the enthalpy can be calculated from the heat of  formation.

Thus, we can obtain the enthalpy of the reaction as 4 * 34 kJ/mol = 136 kJ/mol.

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2 years ago
What is the best definition of solar radiation?Storing Storing of of energy energy in in Earth'Earth's s oceansoceansEnergy Ener
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3 years ago
5 atoms Pb to mol Pb
jek_recluse [69]

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3 years ago
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If the following weights have masses of 2, 4, 6 and 8 kg,
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Answer:

8 kg mass

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As we can see in the image the weight of mass 8 kgs has a large surface area as compared to the surface area of other masses. In general, it has been observed that a wide surface area has more surface particle for heat conduction. Hence, the rate of heat transfer is directly proportional to the surface area of heat conducting surface. Thus, the larger the surface area, the faster is the rate of heat conduction.

Hence, weight of mass 8Kg wil transfer heat a fast rate.

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