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Dominik [7]
3 years ago
8

How is hess's law applied in calculating enthalpy

Chemistry
2 answers:
Naddik [55]3 years ago
7 0

Answer: To develop a strategy for the order in which you add the various equations.

Explanation:

In a Hess’s Law problem, you have to develop a strategy for the order in which you add the various equations. hope this helps <3

eimsori [14]3 years ago
3 0

Answer:Hess's law states that the change of enthalpy in a chemical reaction (i.e. the heat of reaction at constant pressure) is independent of the pathway between the initial and final states. ... Hess's law allows the enthalpy change (ΔH) for a reaction to be calculated even when it cannot be measured directly.

Explanation:

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Electronegativity is related to covalent bonding because when two atoms have the same electronegativity bond, they will form a pure covalent bond.
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Which of the following statements are TRUE?
SCORPION-xisa [38]

Answer:

Answered

Explanation:

1)False,  electron carriers are not  located at ribosomes.

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3 years ago
An aqueous solution contains the following ions: cl−, ag , pb2 , no−3, and so2−4. More than one precipitate will form. Identify
klasskru [66]

An aqueous solution contains the following ions Cl⁻, Ag⁺, Pb²⁺, NO₃⁻ & SO₄²⁻ and more than one precipitate will form are AgCl, PbCl₂, PbSO₄ & Ag₂SO₄.

<h3>What is precipitate?</h3>

Precipitate is the insoluble compound which is present at the bottom of any chemical reaction in the solid state.

If in an aqueous solution Cl⁻, Ag⁺, Pb²⁺, NO₃⁻ & SO₄²⁻ ions are present then:

  • Compounds AgCl, PbCl₂, PbSO₄ & Ag₂SO₄ are not soluble in water as it is present in the form of precipitate.
  • Pb(NO₃)₂ is fully soluble in water and will not make precipitate.

Hence precipitates are AgCl, PbCl₂, PbSO₄ & Ag₂SO₄.

To know more about precipitates, visit the below link:

brainly.com/question/2437408

#SPJ4

8 0
2 years ago
Which object gives off heat?
nadezda [96]

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Flashlight

Explanation:

A flashlight gives out heat

hope this helps...

7 0
3 years ago
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List the advantages and disadvantages of restricting antibioticuse
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Advantages - less chances of developing resistant strains, less cost, less side effects, allowing the body to mount immune response

Disadvantages - inadequate/incomplete cure leading to complications, longer stay in the hospital

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