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balandron [24]
3 years ago
12

Reduces frictions creation of thermal energy

Chemistry
1 answer:
timurjin [86]3 years ago
7 0
It is A lubricant that reduces frictions creation
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What compounds make up the cells and other structures of organisms and carry out what process?
masya89 [10]

Answer:

Biochemical compounds make up the cells and other structure of organism and carry out life processes.Carbon is the basic of all biochemical compounds so carbon carried life process on the earth

3 0
2 years ago
Why are metals generally good conductors of electric current?
lakkis [162]

Answer:

(Hope this helps can I pls have brainlist (crown)☺️)

Explanation:

Because the atoms in metals form a matrix through which outside electrons may easily travel, metals are good conductors of electricity and heat. They generate a sea of electrons around the positive nuclei of the interacting metal ions, rather than circling their particular atoms.

The free flow of shared electrons can carry an electric current through a metal. Carbon atoms join with iron atoms to create bonds.

8 0
3 years ago
Express your answer as a balanced chemical equation. Identify all of the phases in your answer.
SpyIntel [72]

Answer:

H₂S(aq)+ 2 LiOH(aq) → Li₂S(aq) + 2 H₂O(l)

6 HI(aq) + 2 Al(s) → 2 AlI₃(aq) + 3 H₂(g)

2 H₂SO₄(aq) + TiO₂(s) → Ti(SO₄)₂(aq) + 2 H₂O(l)

H₂CO₃(aq) + 2 LiOH(aq) → Li₂CO₃(aq) + 2 H₂O(l)

Explanation:

H₂S(aq)+ 2 LiOH(aq) → Li₂S(aq) + 2 H₂O(l)

This is a neutralization reaction. The products are salt and water.

6 HI(aq) + 2 Al(s) → 2 AlI₃(aq) + 3 H₂(g)

This is a single displacement reaction.

2 H₂SO₄(aq) + TiO₂(s) → Ti(SO₄)₂(aq) + 2 H₂O(l)

This is a neutralization reaction. The products are salt and water.

H₂CO₃(aq) + 2 LiOH(aq) → Li₂CO₃(aq) + 2 H₂O(l)

This is a neutralization reaction. The products are salt and water.

5 0
3 years ago
Which reaction takes place in a nuclear fission reactor?
Aleonysh [2.5K]

Answer:

It’s C I think Explanation:

7 0
4 years ago
Read 2 more answers
A solution of NaCl ( aq ) is added slowly to a solution of lead nitrate, Pb ( NO 3 ) 2 ( aq ) , until no further precipitation o
3241004551 [841]

Answer:

The molarity of the Pb(NO_3)_2 solution = 0.1895 M

Explanation:

The mass of the PbCl_2 obtained = 10.55 g

Molar mass of PbCl_2 = 278.1 g/mol

The formula for the calculation of moles is shown below:

moles = \frac{Mass\ taken}{Molar\ mass}

Thus,

Moles= \frac{10.55\ g}{278.1\ g/mol}

Moles_{PbCl_2}= 0.0379\ mol

From the reaction:-

Pb(NO_3)_2+2NaCl\rightarrow PbCl_2+2NaNO_3

1 mole of PbCl_2 is produced from 1 mole of Pb(NO_3)_2

Also,

0.0379 mole of PbCl_2 is produced from 0.0379 mole of Pb(NO_3)_2

Mole of Pb(NO_3)_2 = 0.0379 mol

Volume = 200.0 mL = 0.2 L ( 1 mL = 0.001 L )

Molarity is defined as the number of moles present in one liter of the solution. It is basically the ratio of the moles of the solute to the liters of the solution.

The expression for the molarity, according to its definition is shown below as:

Molarity=\frac{Moles\ of\ solute}{Volume\ of\ the\ solution}

Thus,

Molarity=\frac{0.0379}{0.2}\ M = 0.1895\ M

<u>The molarity of the Pb(NO_3)_2 solution = 0.1895 M</u>

4 0
3 years ago
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