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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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Chlorine (Cl) is 76% chlorine-35 and 24% chlorine-37. Determine the average atomic mass of chlorine. Show/Explain work.
Flura [38]

Answer:

Average atomic mass of chlorine is 35.48 amu.

Explanation:

Given data:

Percent abundance of Cl-35 = 76%

Percent abundance of Cl-37 = 24%

Average atomic mass = ?

Solution:

Average atomic mass  = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass)  / 100

Average atomic mass  = (76×35)+(24×37) /100

Average atomic mass =  2660 + 888 / 100

Average atomic mass  = 3548/ 100

Average atomic mass = 35.48 amu

Average atomic mass of chlorine is 35.48 amu.

4 0
2 years ago
HELP WHAT IS THE ANSWER TO ANY OF THESE !!!
photoshop1234 [79]
Number 4 is
-Oxidation occurs at the anode, while reduction occurs at the cathode. Recharging a battery involves the conversion of electrical energy to chemical energy. During recharging, there is movement of electrons from an external power source to the anode, and on the other side electrons are removed from the cathode.
8 0
3 years ago
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What volume is needed to store 0.80 moles of helium gas at 204.6 kpa and 300 k?
shepuryov [24]
Answer is: 9,7 L is needed to store helium gas.
n(He) = 0,80 mol.
p(He) = 204,6 kPa.
T = 300 K.
R = 8,314 J/K·mol; universal gas constant.
Use ideal law eqaution: p·V = n·R·T.
V = n·R·T / p.
V(He) = 0,80 mol · 8,314 J/K·mol · 300 K ÷ 204,6 kPa.
V(He) = 9,75 L.


3 0
2 years ago
There are millions of organic compounds but only thousands of inorganic compounds because:______
siniylev [52]

Answer:

There are millions of organic compounds but only thousands of inorganic compounds because:

a. organic compounds were formed by living things.

b. there is more carbon on Earth's surface than any other element.

c. atoms of elements other than carbon never combine with themselves.

d. carbon atoms can combine with up to four other atoms, including other carbon atoms.

6 0
1 year ago
The volume of a gas at 2.0 atm is 3.0 L. What is the volume of the gas at 1.5 atm at the same temperature?
Andru [333]

<u>Answer:</u> The final volume of the gas comes out to be 4 L.

<u>Explanation:</u>

To calculate the volume with changing pressure, we use the equation given by Boyle's law.

This law states that pressure is inversely proportional to the volume of the gas at constant temperature and number of moles.

Mathematically,

P\propto \frac{1}{V}      (At constant temperature and number of moles)

The equation given by this law is:

P_1V_1=P_2V_2

where,

P_1\text{ and }V_1 are initial pressure and volume.

P_2\text{ and }V_2 are final pressure and volume.

We are given:

P_1=2.0atm\\V_1=3L\\P_2=1.5atm\\V_2=?L

Putting values in above equation, we get:

2atm\times 3L=1.5atm\times V_2\\\\V_2=4L

Hence, the final volume of the gas will be 4 L.

4 0
3 years ago
Read 2 more answers
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