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yawa3891 [41]
3 years ago
10

Can anyone help. I don't understand

Chemistry
1 answer:
maksim [4K]3 years ago
7 0
Brooo we have the same name
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Ammonium hydrogen sulfide NH4HS(s) decomposes on heating according to the reaction NH4HS(s) ↔ NH3(g) + H2S(g) At 25 °C the equil
yan [13]

Answer:

0.66atm

Explanation:

Based on the reaction:

NH₄HS(s) ↔ NH₃(g) + H₂S(g)

The equilibrium constant, Kp, is defined as:

Kp = 0.11 = P_{NH_3} P_{H_2S}

As moles of gas produced for NH₃(g) and H₂S(g) are the same, it is possible to write:

0.11 = P_{NH_3}^2

0.33 = P_{NH_3}

That means pressure of NH₃(g) is 0.33atm and H₂S(g) is, also, 0.33atm. Thus, total pressure is:

0.33atm×2 = <em>0.66atm</em>

3 0
4 years ago
Read 2 more answers
An orbital is best described as the electron shell closest to the nucleus. the outermost electron shell of an atom. the volume o
Ilya [14]

Answer:

           An Orbital is best described as <u>the volume of space in which electrons are most often found.</u>

Explanation:

                  As we know atom consists of sub-particles commonly known as protons, neutrons and electrons. The outer space around the nucleus where the probability of finding electrons is maximum is known as orbital. As the electrons are not precisely ordered around the nucleus hence it is not easy to tell the exact position of an electron.

                 Hence, four quantum numbers are used to locate the position of electrons around the nucleus.

   i) Principle Quantum Number:

                                                    This number explains the main energy level which tend to increase in energy as the distance of electrons from nucleus are increased. Principle Quantum Numbers are integer number ranging from one to infinity. Hence, increase in this quantum number results in increase of the size of orbital.

   ii) Azimuthal Quantum Number:

                                                      This Quantum Number explains the direction of particular orbital in 3-dimensional space. Also it is responsible for the shape of an orbital.

  iii) Magnetic Quantum Number:

                                                       This Quantum Number also tells the direction of orbital in 3D space with respect to x, y and z axis.

  iv) Spin Quantum Number:

                                               This Quantum Number tells about the spin direction of an electron about its axis which may be clockwise or anticlockwise.

6 0
3 years ago
Read 2 more answers
Please help!! The answer that shows work and does not send link will get brainiest!
Elden [556K]

Answer:

5 mol H₂. this is the answer bro all the best for your test/exam

7 0
3 years ago
The nh2cl model consists of balls and sticks. the electrons in the molecule are paired, and each stick represents a valence elec
tangare [24]

Valence electrons in NH2Cl:

=1(5)*2(1)*1(7)

=14

So there are 14 valence electrons in NH2Cl

As each stick represents an valence electron pair.

And there are 14 valence electrons, so there can be 7 valence electron pairs.

And for 7 valence electron pairs, 7 sticks needed.

5 0
3 years ago
Which describes the motion in a convection currentl
Y_Kistochka [10]

Answer:

circular motion

Explanation:

It is circular motion because because it is always moving and it is moving in a circular motion as stated. In other words, the energy of a convection current is constantly in motion. Message me if you have any more questions :) I’m always free and I will answer you ASAP! :D toodles ~

4 0
3 years ago
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