All categories

3 years ago

Which substance would have the greatest standard molar entropy?NO2(g)N; (g)N20NO20

Chemistry

1 answer:

Rama09 [41]3 years ago

5 0

Answer:

Option A

Explanation:

Standard molar entropy determines the randomness of a mole of substance. Thus, the larger and complex a molecule is, the larger will be its molar entropy.

The molar entropy of gases is higher than liquids which is turn is higher than solid.

Here , NO2 is a gas with higher complex structure (trigonal planar) than N2 (linerar), N2O (linear) and N2O2 (linear)

Hence, NO2(g) will have greatest standard molar entropy

Option A is correct

You might be interested in

What energy conversion takes place<br> as a leaf falls to the ground?

Zigmanuir [339]

Answer:

<h3>The answer is kinetic energy</h3>

Explanation:

<h2>The answer is Kinetic Energy because take for an example, When an apple falls from the tree to the ground, its energy of position is then made into kinetic energy, the energy of motion, as it falls to the ground. </h2>

------------------------------------------------------------------------------------------------

Hope this helps! Give me Brainliest if u can!

4 0

3 years ago

Read 2 more answers

In which chemical reaction will be heat content of the reactance be more that of the products

Anuta_ua [19.1K]

A reaction in which energy is absorbed from the surroundings is called anendothermic<span> reaction. In </span>endothermic<span> reactions the enthalpy of the products is greater than the enthalpy of the reactants. Because reactions release or absorb energy, they affect the temperature of their surroundings.

</span>

3 0

4 years ago

Give a brief description of what is needed to properly formate a table and chart

Lelechka [254]

Answer:Name your table. Write a title at the top of your paper. ...

Figure out how many columns and rows you need.

Draw the table. Using a ruler, draw a large box. ...

Label all your columns. ...

Record the data from your experiment or research in the appropriate columns. ...

Check your table.

Explanation:

3 0

3 years ago

A solution is prepared by mixing 525 mL of ethanol with 597 mL of water. The molarity of ethanol in the resulting solution is 8.

Alenkinab [10]

Answer:

$\Delta V = 234.736\,mL$

Explanation:

The quantity of moles of ethanol in the solution is:

$n_{C_{2}H_{5}OH} = \left(\frac{597\,mL}{1000\,mL} \right)\cdot \left(8.35\,\frac{mol}{L} \right)$

$n_{C_{2}H_{5}OH} = 4.985\,mol$

The mass and volume of ethanol in the solution are, respectively:

$m_{C_{2}H_{5}OH} = (4.985\,mol)\cdot \left(46.07\,\frac{g}{mol} \right)$

$m_{C_{2}H_{5}OH} = 229.658\,g$

$V_{C_{2}H_{5}OH} = \frac{229.658\,g}{0.7893\,\frac{g}{mL} }$

$V_{C_{2}H_{5}OH} = 290.964\,mL$

The difference between the total volume of water and ethanol mixed to prepare the solution and the actual volume of solution is:

$\Delta V = (525\,mL+597\,mL) - (597\,mL + 290.964\,mL)$

$\Delta V = 234.736\,mL$

8 0

3 years ago

Which equation represents the reaction of a weak acid with water?

shusha [124]

Acid is anything which will give H+ to other species.

Have a look at the equations given.

In A) HCl changes to Cl- by giving its H+ to H2O. So HCl is an acid.

In B) HCO3- changes to H2CO3^2- by accepting H+. It did Not give its H+ rather it takes from other species. So it is not an acid at all.

In C) H2O is just breaking to H+ and OH-. It is not giving H+ to other species. So it is also not an acid in this reaction.

In D) HCOOH is giving its H+ to H2O. So it is also an acid.

So out of all reactions with water. The only two species are acting as acid with water namely HCl and HCOOH.

Out of these two HCl is very strong acid but HCOOH is a weak acid.

So the answer is D

6 0

3 years ago

Read 2 more answers

Which substance would have the greatest standard molar entropy?NO2(g)N; (g)N20NO20​

Which substance would have the greatest standard molar entropy?NO2(g)N; (g)N20NO20