All categories

3 years ago

Which best describes sodium chloride (NaCl)?

Chemistry

1 answer:

OverLord2011 [107]3 years ago

4 0

Answer: NaCl is an ionic compound

Explanation: Sodium Chloride is formed from Na+ and Cl- ions.

It is soluble in water, it has crystalline structure, it has high melting point and

It is insulator as solid form. Water solution leads current.

You might be interested in

How did I get the sand out the mixture ?

svetoff [14.1K]

Answer:

They are called homogenous mixtures. If you put sand into a glass of water, it is considered to be a mixture. You can always tell a mixture, because each of the substances can be separated from the group in different physical ways. You can always get the sand out of the water by filtering the water away.

4 0

4 years ago

Read 2 more answers

acetylene gas c2h2 undergoes combustion to produce carbon dioxide and water vapor How many grams of water are produced by the sa

ella [17]

<u>Answer:</u> The amount of water produced in the given reaction is $0.692x$ grams.

<u>Explanation:</u>

Let us assume that the initial amount of acetylene gas given be 'x' grams. Now, to calculate the number of moles, we will use the formula:

$\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}$ ....(1)

Given mass of acetylene = x grams

Molar mass of acetylene = 26 g/mol

Putting values in above equation, we get:

$\text{Number of moles of acetylene}=\frac{xg}{26g/mol}=\frac{x}{26}mol$

The reaction of combustion of acetylene is given by the equation:

$2C_2H_2+5O_2\rightarrow 4CO_2+2H_2O$

By Stoichiometry of the reaction:

2 moles of acetylene produces 2 moles of water.

So, $\frac{x}{26}$ moles of acetylene will produce = $\frac{2}{2}\times \frac{x}{26}=\frac{x}{26}$ moles of water.

Now, to calculate the amount of water produced, we use equation 1:

Molar mass of water = 18 g/mol

Moles of water = $\frac{x}{26}mol$

Putting values in equation 1, we get:

$\frac{x}{26}mol=\frac{\text{Mass of water}}{18g/mol}$

$\text{Mass of water}=\frac{x}{26}\times 18=0.692x$ grams

8 0

3 years ago

PLEASE HELP ME!! WORTH 30 POINTS!!!

poizon [28]

Answer:

I believe here is an answer to the question.

For position A we will get a P.E because it just starts leaving rest.

For position B, it's K.E,

position C it is K.E

position D it is P.E and K.E( a short rest which projects into motion)

position E, it is K.E

position F, his friend stops d ball. that's P.E

Explanation:

position B, C and E are already in motion to give only K.E.

6 0

3 years ago

In of the electron cloud in each element's atoms.

beks73 [17]

Answer:

Out of the answer choices, rubidium has the highest energy valence shell. With a single electron in the fifth energy level, krypton will have the highest number of energy levels of the group I elements listed.

Explanation:

kasama na jan ang explanation sana tama ang sagut thank you

3 0

3 years ago

The percentage yield of the following reaction is 85 %. 2 Al, +31--> 2 AICI. How many grams of AICI, will be actually obtaine

Readme [11.4K]

Answer:

Assuming the product is AlCl3

Assuming its 1008 g of metalic Al

It will yeld 4234 g of aluminium chloride.

Explanation:

Al molar mass is 26.98 g/mol, so in 1008 g of Al there is 37.36 mols of Al

The stoichometry ratio between Al and AlCl3 is 1:1, so 37.36 mols of Al would form 37.36 mols of AlCl3 if the reaction were complete, but only 85% yelds, so 1008 g of Al makes up to 0.85x37.36 mols of AlCl3 (31.76 moles)

AlCl3 molar mas is 133.33 g/mol, so 31.76 moles has 4234 g

6 0

3 years ago