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o-na [289]
3 years ago
12

Explain why an insoluble compound added to water is considered a nonelectrolyte.

Chemistry
1 answer:
DaniilM [7]3 years ago
8 0

Explanation:

A non-electrolyte is defined as a solution which does not contain any ions and hence, it is unable to conduct electricity.

For example, when a non-polar substance like CCl_{4} is dissolved in water then it will not dissociate into ions.  

As electricity is the flow of ions or electrons. So, a non-electrolyte solution is not able to conduct electricity.

Similarly, a compound that is insoluble in water will not dissociate into ions. Hence, this type of solution will not be able to conduct electricity.

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Nonrenewable energy resources include what types of energy ?
Alchen [17]
All the fossil fuels...coal, oil, gas...are examples of no return enable energy resources.
6 0
4 years ago
Read 2 more answers
b. Describe how the temperature changes within a phase and during a phase change as heat is added to a water sample. (2 points)
Rudik [331]
Hello!

Take for example the heating of water.

When heating liquid water from room temperature (25 °C) to the boiling point (100 °C), adding heat results in a direct increase in the temperature. This kind of heat is called sensible heat, because we can sense the effect of the added energy.

But when you reach 100 °C, there is a phase change from liquid to vapour, and the added heat is used to produce the phase change, and no increase in temperature is observed, only the phase change. This kind of heat is called latent heat. 

Have a nice day!

6 0
3 years ago
Consider the diagram. Which postulate of the kinetic-molecular theory best describes the event in the diagram?
MatroZZZ [7]

Answer : Option B) All collisions between particles are perfectly elastic.

Explanation : Gases consits of molecules which are compressible because the gas particles which have a small volume compared to the container.

The collisions are perfectly elastic because when gases are left alone in a container they don't seem to lose energy and do not spontaneously get converted into a liquid, also energy is not lost during collisions.

In the diagram given above one can interpret that the gaseous molecules are in random motion inside the container and when they collide with other molecule of gas they do not lose energy. Therefore, this shows perfectly elastic collisions.

3 0
4 years ago
Read 2 more answers
You conduct an experiment that requires the creation of an ammonia solution. You do this by reacting 50.0 L of nitrogen gas with
ozzi

Answer : The molarity of the resulting ammonia solution is, 0.89 M

Explanation :

The balanced chemical reaction is:

N_2(g)+3H_2(g)\rightarrow 2NH_3(g)

First we have to calculate the moles of nitrogen gas.

As we know that at STP, 1 mole of gas occupies 22.4 L volume of gas.

As, 22.4 L volume of nitrogen gas present in 1 moles of nitrogen gas

So, 50.0 L volume of nitrogen gas present in \frac{50.0}{22.4}=2.23 moles of nitrogen gas

Thus, the moles of nitrogen gas is 2.23 moles.

Now we have to calculate the moles of ammonia gas.

From the reaction, we conclude that

As, 1 mole of N_2 react to give 2 mole of NH_3

So, 2.23 moles of N_2 react to give 2.23\times 2=4.46 moles of NH_3

Now we have to calculate the molarity of the resulting ammonia solution.

Molarity : It is defined as the number of moles of solute present in one liter of volume of solution.

Formula used :

\text{Molarity}=\frac{\text{Moles of ammonia}}{\text{Volume of solution (in L)}}

Now put all the given values in this formula, we get:

\text{Molarity}=\frac{4.46mole}{5.0L}

\text{Molarity}=0.89M

Therefore, the molarity of the resulting ammonia solution is, 0.89 M

7 0
3 years ago
The atomic number of silicon (Si) is 14. What's the electron configuration for silicon? Question 1 options:
Tom [10]

Answer:

[Ne] 3S2 3P2

Explanation:

Good evening

8 0
3 years ago
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