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telo118 [61]
3 years ago
7

In the reaction, 8 Hg + S8 → 8 HgS, what is/are the reactant(s)? Hg and S8 S HgS and S8 HgS

Chemistry
1 answer:
evablogger [386]3 years ago
5 0

Answer:   [A]:  " Hg  and S₈ " .

___________________________________________

In the given chemical reaction:

___________________________________________

  8 Hg  +  S₈  ⟶ 8 HgS    ;

___________________________________________

 There are 2 (two) reactants—which are:

      " Hg  [mercury] "  and  "S " [sulfur] .

___________________________________________

<u>Note</u>:  There is 1 (one) product in the given reaction— which is:

   " HgS " [mercury sulfide].

___________________________________________

Note that within a given written chemical reaction:

1) The "reactant(s)" is/are listed on the "left-hand side" of the

    "forward arrow" .

2) The "product(s)" is/are listed on the "right-hand side" of the

   "forward arrow."

________________________________________________

Hope this answer is helpful to you!

Best wishes in your academic endeavors

    — and within the "Brainly" community!

_______________________________________________

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6.02 x 1023 number of atoms in one mole.

Explanation:

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3 years ago
(20 Pt.s) Guys! You have to explain:
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Weakly basic drugs behaves different from acidic drugs which is discussed below.

<h3><u>Explanation</u>:</h3>

Weakly basic drugs are those drugs which have an amine group associated with them. They are able to gain a proton to be come positively charged.

So drugs like quinine, ephedrine and aminopyrine which are basic got completely ionised in stomach.

The stomach can absorb those compounds which are lipid soluble. The acidic drugs like alcohols, Salicylic acid, aspirin, thiopental, secobarbital and antipyrine etc which are acidic gets absorbed by means of <em>diffusion</em> through the membrane.

But the basic drugs have charges on them which makes them lipophobic. So they cannot get absorbed through stomach. However weakly basic drugs sometimes get absorbed depending on their ionisation extent.

The rest goes to small intestine which has basic environment and there they gets absorbed via diffusion or facilitated diffusion.

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3 years ago
A woman runs a marathon in 90 ºf weather and replaces all volume lost in sweat by drinking distilled water. After the marathon,
gayaneshka [121]

Answer:

Total body water (TBW) will be unchanged because the woman replaced all volume lost in sweat by drinking water. Hematocrit will be increased because of the shift of water from ECF to ICF and the shift of water into the red blood cells (RBCs), which causes their volume to increase.

6 0
3 years ago
which equation is setup correctly to determine the volume of a 1.5 mol sample of oxygen gas at 22 degrees Celsius and 100 kPa
rjkz [21]
Hello!

We have the following data:


v (volume) = ? (in L)
n (number of mols) = 1,5 mol
T (temperature) = 22 ºC 
First let's convert the temperature on the Kelvin scale, let's see:
TK = TºC + 273,15
TK = 22 + 273,15
TK = 295,15

P (pressure) = 100 kPa → P = 100000 Pa → P ≈ 0,987 atm
R (gas constant) = 0,082 atm.L / mol.K

<span>We apply the data above to the Clapeyron equation (gas equation), let's see:

</span>P*V = n*R*T

0,987*V = 1,5*0,082*295,15

0,987V = 36,30345

V =  \dfrac{36,30345}{0,987}

\boxed{\boxed{V \approx 36,78\:L}} \end{array}}\qquad\checkmark

I hope this helps. =)
4 0
4 years ago
a phase change from B to A will represent a loss of energy. what is the term to describe this transition if B is the liquid phas
Reptile [31]

Answer:

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Explanation:

The process in which a liquid changes to a solid is called freezing or solidification. Energy is taken away during freezing.

5 0
4 years ago
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