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tamaranim1 [39]
3 years ago
13

Elements make up all things. What is it called

Chemistry
1 answer:
madam [21]3 years ago
3 0

Answer:

Matter

Explanation:

All matter is made up of substances called elements

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A 12 gram piece of metal is heated to 300 °C from 100 °C with 1120 Joules of energy. What is the specific heat of the metal?
Sergeeva-Olga [200]

Answer:

The specific heat for the metal is 0.466 J/g°C.

Explanation:

Given,

Q = 1120 Joules

mass = 12 grams

T₁ = 100°C

T₂ = 300°C

The specific heat for the metal can be calculated by using the formula

Q = (mass) (ΔT) (Cp)

ΔT = T₂ - T₁ = 300°C  - 100°C   = 200°C

Substituting values,

1120 = (12)(200)(Cp)

Cp = 0.466 J/g°C.

Therefore, specific heat of the metal is 0.466 J/g°C.

7 0
3 years ago
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Answer:

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Explanation:

A molecule is the smallest particle in a chemical element or compound that has the chemical properties of that element or compound. Molecules are made up of atoms that are held together by chemical bonds. These bonds form as a result of the sharing or exchange of electrons among atoms.

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repartExiplanation:cionde atomos

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Chemical reactions forming ions do not balance electrically. <br><br> True or False
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Answer: true

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Why is much of the ocean floor so difficult to see?
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