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Ainat [17]
3 years ago
5

Which of the following has the lowest entropy?

Chemistry
2 answers:
Bess [88]3 years ago
8 0

Answer: Option (B) is the correct answer.

Explanation:

Entropy is defined as the degree of disorder or randomness. This means that when particles of a matter move rapidly and continuously from one place to another then this shows entropy of the matter is high.

For example, particles of a gas are weakly held and hence, they rapidly collide and show high entropy.

Whereas in solids, particles are held together by strong intermolecular forces of attraction. Thus, they are not moving and hence in solids entropy is the lowest.

Thus, we can conclude that out of the given options, H_{2}O(s) has the lowest entropy.

Valentin [98]3 years ago
5 0
I believe that the answer is B:  H2O(s) because is the makeup of water also known as one hydrogen and two oxygen. So water as more entropy and the s stands for sol fore i think wich means it contains the most entropy.
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What type of compound is calcium oxide
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A carbonate because the oxygen neutralizes the reactive coding of the calcium in its original form.
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3 years ago
construct the lewis structure of oo . draw the structure by placing atoms on the grid and connecting them with bonds. include al
ankoles [38]

In Lewis dot structures, you draw the atom in the center and then surround the atom with its valence electrons. The Lewis structure for O is as shown in the attached diagram.

<h3>What is the Lewis structure of O ?</h3>

Lewis Structure of an atom of oxygen contains 6 electrons in the valence shell. Four valence electrons exist in lone pairs. It implies that oxygen atom must participate in two single bonds or one double bond in order to have an octet configuration.

A simplified representation of the valence shell electrons in a molecule  is called Lewis Structure. It shows how electrons are arranged around individual atoms in the molecule.

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8 0
9 months ago
A 1. 07 g sample of a noble gas occupies a volume of 363 ml at 35°c and 678 mmhg. Identify the noble gas in this sample. (r = 0.
Margaret [11]

The identity of the noble gas is the sample is Krypton

<h3>Ideal Gas law</h3>

From the question, we are to determine the identity of the noble gas in the sample

From the ideal gas equation, we have that

PV = nRT

∴ n = PV / RT

Where P is the pressure

V is the volume

n is the number of moles

R is the gas constant

and T is the temperature

From the given information,

P = 678 mmHg = 0.892105 atm

V = 363 mL = 0.363 L

R = 0.08206 L.atm/mol.K

T = 35 °C = 35 + 273.15 K = 308.15 K

Putting the parameters into the equation, we get

n = (0.892105 × 0.363)/ (0.08206 × 308.15)

n = 0.0128 moles

Now, we will determine the Atomic mass of the sample

Using the formula,

Atomic = Mass / Number of moles

Atomic mass of the substance = 1.07 / 0.0128

Atomic mass of the substance = 83.6 amu

The noble gas with the closest atomic mass to this value is Krypton.

Molar mass of Krypton = 83.798 amu

Hence, the identity of the noble gas is the sample is Krypton

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4 0
2 years ago
A single serving bag of snack chips contains 65.0 Cal. Assuming that all of the energy from eating these chips goes toward keepi
AveGali [126]

Answer:

= 62.1 hours

Explanation:

Energy provide by the serving is 65 cal

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Minutes = 271960 / 73

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Time in hours = 3725.429 / 60

= 62.1 hours

5 0
3 years ago
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