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muminat
3 years ago
7

Students pour some table salt into a beaker with distilled water to make a solution in order to test its conductivity. When they

placed a conductivity probe in the salt water solution, it measured a high conductivity. The students repeated the same procedure with white sugar and measured no conductivity. Which of the following statements best explains why sugar is not conductive in solution?
Chemistry
1 answer:
klasskru [66]3 years ago
5 0

Answer:

the answer is Covalent compounds separate into neutral molecules when they dissolve in water.

Explanation: covalent doesn’t conduct electricity in water

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3 years ago
A state of equilibrium can exist when a piece of copper metal is placed in a solution of copper(ii) sulfate. outline the charact
ankoles [38]

Answer;

-Macroscopic properties remain constant

-Concentrations remain constant

-No change to copper solution seen;

-Rate of reverse/backwards reaction = rate of forward reaction;

Explanation;

In a chemical reaction, chemical equilibrium is the state in which both reactants and products are present in concentrations which have no further tendency to change with time, so that there is no observable change in the properties of the system.

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5 0
3 years ago
Explain why the gamma rays do not bend.
Natalka [10]
They are electrically neutral, they are not deflected by magnetic fields
6 0
3 years ago
In the diagram of the earth's interior, which part causes the diffraction of P waves made by earthquakes
Oxana [17]
<span>The Core and an inhomogeneous Mantle cause diffraction of P-waves. </span>P-waves<span> are a type of elastic seismic wave </span><span>that travel through a continuum and are the first </span>waves<span> from an earthquake to arrive at a seismograph.</span>
3 0
3 years ago
Read 2 more answers
What is the oxidation half-reaction for this unbalanced redox equation? cr2o72– + fe2+ → cr3+ + fe3+ cr3+ → cr2o72– cr2o72– → cr
KatRina [158]

Answer:

6Fe^2+(aq) -------> 6Fe^3+(aq) + 6e

Explanation:

The balanced oxidation half equation is;

6Fe^2+(aq) -------> 6Fe^3+(aq) + 6e

A redox reaction is actually an acronym for oxidation-reducation reaction. Since the both reactions are complementary, there can't be oxidation without reduction and there can't be reduction without oxidation.

The main characteristic of redox reactions is that electrons are transferred in the process. The number of electrons transferred is usually deduced from the balanced reaction equation. For this reaction, the balanced overall reaction equation is;

Cr2O7^2–(aq) + 6Fe^2+(aq) +14H^+(aq)→ 2Cr^3+(aq) + 6Fe^3+ (aq) + 7H2O(l)

It is clear from the equation above that six electrons were transferred. Thus six Fe^2+ ions lost one electron each in the oxidation half equation as shown in the balanced oxidation half equation above.

4 0
3 years ago
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