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frozen [14]
3 years ago
13

Which process is based on repulsion of oil and water?

Chemistry
2 answers:
Inessa [10]3 years ago
5 0

Answer:

We can seprate oil and water by the process of seprating funnel

34kurt3 years ago
4 0
Lithoghraphy
Lithoghraphy is a process based on the repulsion of oil and water. An image that is offset printed is separated into its fundamental colors.
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Calculate ΔH (in kJ) for the process Hg2Br2(s) → 2 Hg(l) + Br2(l) from the following information.
Ilia_Sergeevich [38]

Answer : The enthalpy change of reaction is 206.9 kJ

Explanation :

According to Hess’s law of constant heat summation, the heat absorbed or evolved in a given chemical equation is the same whether the process occurs in one step or several steps.

According to this law, the chemical equation can be treated as ordinary algebraic expression and can be added or subtracted to yield the required equation. That means the enthalpy change of the overall reaction is the sum of the enthalpy changes of the intermediate reactions.

The given final reaction is,

Hg_2Br_2(s)\rightarrow 2Hg(l)+Br_2(l)    \Delta H=?

The intermediate balanced chemical reaction will be,

(1) Hg(l)+Br_2(l)\rightarrow HgBr_2(s)    \Delta H^o_1=-170.7kJ

(2) Hg(l)+HgBr_2(s)\rightarrow Hg_2Br_2(s)    \Delta H^o_2=-36.2kJ

First we will reverse the reaction 1 and 2 then adding both the equation, we get :

(1) HgBr_2(s)\rightarrow Hg(l)+Br_2(l)    \Delta H^o_1=+170.7kJ

(2) Hg_2Br_2(s)\rightarrow Hg(l)+HgBr_2(s)    \Delta H^o_2=+36.2kJ

The expression for final enthalpy is,

\Delta H=\Delta H^o_1+\Delta H^o_2

\Delta H=(+170.7kJ)+(+36.2kJ)

\Delta H=206.9kJ

Therefore, the enthalpy change of reaction is 206.9 kJ

8 0
3 years ago
Read 2 more answers
think about the lab procedure you just read. Label each factor below V for variable or C for constant.
pishuonlain [190]

V)  the amount of sugar in the solution

 C) whether the sugar is stirred

 V)  the temperature of the solution

 C)  the type of solute added

 C)  the type of solvent used

NP.

5 0
3 years ago
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______________ is a reaction that causes the growth of a polymer chain. In this reaction, a relatively small molecule is formed
WITCHER [35]

Answer:

Condensation polymerization

Explanation:

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3 years ago
What is energy in motion called
oee [108]
Is it kinetic energy
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Atoms are the smallest particles of a compound that still retain the properties of that
N76 [4]

Answer:

the answer is true

Explanation:

it is the smallest particle in an element that takes part in a chemical reaction

5 0
2 years ago
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