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zloy xaker [14]
3 years ago
12

Metric conversions please help.

Chemistry
2 answers:
oksian1 [2.3K]3 years ago
5 0

Answer:

What is Question explain

german3 years ago
4 0
Huh can’t help if I can’t see
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The energies of the bonds broken in a certain reaction are greater than the energies of the bonds formed. Which one of the follo
frosja888 [35]

Answer:

a. The reaction is endothermic.

Explanation:

The heat involved in a chemical reaction is given by the enthalpy change (ΔH), which is equal to the balance between the chemical bonds that are broken (release energy) and the chemical bonds that are formed (need energy):

ΔH ≅ bonds broken - bonds formed

If broken bonds > bonds formed ⇒ ΔH > 0 ⇒ endothermic reaction

Therefore, the reaction is endothermic (it requires energy).

4 0
2 years ago
When a solution produces equal numbers of hydrogen and hydroxyl ions, it is said to be neutral. Select one: True False
ioda

Answer:

true

Explanation:

The hydroxyl group is a functional group formed by an oxygen atom and a hydrogen atom.

3 0
3 years ago
The particle picture is best described as...
mixas84 [53]

Answer:

Both are pure substances and a compound

8 0
3 years ago
How many carbon atoms are there in 2 molecules of CCI
Anettt [7]

Answer:

Explanation:

No moraculos si a minha memoria não me trai acho temus 2tomos d carbono

4 0
3 years ago
What state of matter is Polaris, the north star?
Anni [7]

The state of matter of Polaris, the north star is gas.

<h3>What are stars made of?</h3>

Stars are made up of a mixture of hot gases.

The mixture consists of helium and hydrogen. Hydrogen burns into helium to give starts a shining appearance when observed from a far distance.

Thus, the state of matter of all stars, including the north star, is gas.

More on stars can be found here: brainly.com/question/21521087

#SPJ1

8 0
1 year ago
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