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fenix001 [56]
3 years ago
10

Which of the following would have the lowest entropy?

Chemistry
2 answers:
SpyIntel [72]3 years ago
8 0
A) diamond

Because solids has the lowest microstates
sweet [91]3 years ago
5 0

Answer:

A. Diamond

Explanation:

Entropy is an important physical quantity used in statistical mechanics and thermodynamics to measure the degree of disorder of a system. We say that the greater the entropy variation of a system, the greater its clutter, the less energy will be available for use.  Entropy is related to the spontaneity of some physical or chemical process. Whenever such a process happens spontaneously, the entropy of the system will increase, ie the system will be less organized or more random.

If we compare three systems with entropy: the first with something in the liquid state, the second with something in the solid state, and the third with something in the form of vapor, we will conclude that the entropy of the third system will be greater than the others, due to the greater agitation of the molecules. Already the second system, with something in the solid state will be the system with less entropy because in this case the spacing between the molecules of this "something" is smaller and consequently the agitation of them. For this reason, as diamond is something in solid state, we can say that with the exposed options, diamond is the alternative with less entropy.

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If an atom has 6 valence electrons, how many electrons does it need to gain to achieve a stable electron configuration?
shusha [124]

it would need to gain 2 more for it to achieve a stable configuration

the best way to remember this is the noble gasses all have 8 valence electrons and that they are the most stable elements on the periodic table

4 0
3 years ago
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I need help solving a kinetics equation.
Lady bird [3.3K]

Answer:

what would the question be?

7 0
3 years ago
What is the frequency of a wave that has 3 waves every five seconds?
Dmitry [639]

Answer:

Frequency, f = 0.6 Hz

Explanation:

We have,

Number of waves passing through a point are 3

Time for which the waves are passing is 5 seconds

It is required to find the frequency of a wave. The frequency of a wave is defined as the no of waves per unit time. So,

f=\dfrac{n}{t}\\\\f=\dfrac{3}{5}\\\\f=0.6\ Hz

So, the frequency of a wave is 0.6 Hz.

7 0
3 years ago
A chemist measures the energy change ΔH during the following reaction: C3H8 (g) +5O2 (g) →3CO2 (g) +4H2O (l) =ΔH−2220.kJ Use the
statuscvo [17]

Answer:

The reaction is exothermic.

Yes, released.

The heat released is 4,08x10³ kJ.

Explanation:

For the reaction:

C₃H₈(g) + 5O₂(g) → 3CO₂(g) + 4H₂O(l)

The ΔH is -2220 kJ, As ΔH is <0, <em>The reaction is exothermic.</em>

As the reaction is exothermic, the heat of the reaction will be <em>released.</em>

The heat released in 81,0g is:

81,0g C₃H₈×\frac{1mol}{44,1g}×\frac{2220kJ}{1mol}= <em>4,08x10³ kJ</em>

<em>-Using molar mass of C₃H₈ to convert mass to moles and knowing that there are released 2220 kJ per mole of C₃H₈-</em>

I hope it helps!

3 0
3 years ago
Can someone help please!!!!​
Valentin [98]

2. 5 acids: coffee, lemonade, soda pop, orange juice, vinegar

5bases: ammonia, baking soda, cough medicine, liquid soaps

3. Acids are very common in some of the foods we eat.

Bases have properties that mostly contrast with those acids

4. Acid+Base=H2O+Salt

HCI+NaOH=H2O+NaCI

Explanation:

2. (all those acids are strong (in pH meaning those are weak and don't affect you) (most the bases are very strong like ammonia)

4. Salt means any ionic compound formed from an acid/base reaction

Hope this helped

8 0
2 years ago
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