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bixtya [17]
3 years ago
11

What is friction force ?

Chemistry
1 answer:
Degger [83]3 years ago
5 0
What is the resistance to motion
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The colour change of methyl orange with neutral substance​
Arisa [49]

Answer:

Pink

Explanation:

Because at first its orange then neutral its pink

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3 years ago
Which substances in the diagram are most unstable? positive values of enthalpy negative values of enthalpy negative values -50 t
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Answer:

no  s e

Explanation:

tampocose

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3 years ago
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What is the sequence of coefficients that will balance the following decomposition reaction of dihydrogen monosulfide? H₂S ----&
RUDIKE [14]

8 S

In this case you must start balancing the sulfur to have 8 on each side of the reaction. So:

Answer:

Explanation:

The law of conservation of matter states that since no atom can be created or destroyed in a chemical reaction, the number of atoms that are present in the reagents has to be equal to the number of atoms present in the products.

Then, you must balance the chemical equation. For that, you must first look at the subscripts next to each atom to find the number of atoms in the equation. If the same atom appears in more than one molecule, you must add its amounts.  

The coefficients located in front of each molecule indicate the amount of each molecule for the reaction. This coefficient can be modified to balance the equation, just as you should never alter the subscripts.

By multiplying the coefficient mentioned by the subscript, you get the amount of each element present in the reaction.

Then, taking into account all of the above, you can determine the amount of elements on each side of the equation:

Left side: 2 H and 1 S

Right side: 2 H and 8 S

In this case you must start balancing the sulfur to have 8 on each side of the reaction. So:

8 H₂S → H₂ + S₈

Now the amount of elements on each side of the equation:

Left side: 16 H and 8  

Right side: 2 H and 8 S

Now you need to start balancing the hydrogen to get the same amount from each side of the reaction. So:

8 H₂S → 8 H₂ + S₈

Now the amount of elements on each side of the equation:

Left side: 16 H and 8  

Right side: 16 H and 8 S

<u><em>The balanced reaction is:</em></u>

<u><em>8 H₂S → 8 H₂ + S₈</em></u>

3 0
2 years ago
A solution is made by mixing 12.54 grams of NaNO3 with enough water to make 2.5 L of solution. What is the molarity?
Alex

Answer:

is there a table or an equation for that ??

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3 years ago
The protons of an atom are
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B protons are positive atoms and are inside the nucleus
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3 years ago
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