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3 years ago

Which is the best conductor of electricity (0.1M solution)? Why?

Chemistry

2 answers:

Mila [183]3 years ago

8 0

Explanation:

The best conductor of electricity is a 0.1 M solution of sulphuric acid as it is a very strong and forceful electrolyte and thus, ionizes completely.

Semmy [17]3 years ago

3 0

Answer:

sulphuric acid as it is strong electrolyte and thus, ionises completely.

Explanation:

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What other signs provide evidence of chemical reactions and show that a chemical change has occurred?

Dmitry_Shevchenko [17]

Color change
new substance formed
heat or light change
new smell
irreversible

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3 years ago

How many moles of chloride ions are there in 2.5 L of 5 M magnesium chloride?

castortr0y [4]

Answer:

$n_{Cl^-}=25molCl^-$

Explanation:

Hello,

In this case, since the given 5-M concentration of magnesium chloride is expressed as:

$5\frac{molMgCl_2}{L}$

We can notice that one mole of salt contains two moles of chloride ions as the subscript of chlorine is two, in such a way, with the volume of solution we obtain the moles of chloride ions as shown below:

$n_{Cl^-}=5\frac{molMgCl_2}{L}*\frac{2molCl^-}{1molMgCl_2} *2.5L\\\\n_{Cl^-}=25molCl^-$

Best regards.

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3 years ago

How does stem apply to science?<br><br> (i swear if yall just answer for points ima lose it)

vova2212 [387]

STEM is an acronym meaning

Science

Technology

Engineering

Mathematics

One of the main focuses of STEM courses is on science, so you will be learning about various types of science

This is an approach at learning to have students learn all four types of subjects in one class, based on real world applications.

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3 years ago

How are the hydrogen atom and lithium atom similar?

Juli2301 [7.4K]

They both have 1 electron in their valence shell.....

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3 years ago

If you know any of them that helps!

WARRIOR [948]

Answer:

for the how to get a carrot to float you would need to make a hole in it and make it hollow

Explanation:

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3 years ago