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3 years ago

If the pressure of the gas is doubled while the volume is held constant, what happens to its temperature? [Section 10.4]

1 answer:

5 0

One of the Gas Laws that applies to all gases is that P·V = K·T, where P is the pressure, V the volume, T the temperature, and K a constant value.

So, if pressure is doubled and the volume keeps the same, temperature will be doubled as well, thus, the right answer is E.

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Write the electron configuration for Silicon

morpeh [17]

Answer:

Si₁₄ = 1s² 2s² 2p⁶ 3s² 3p²

Explanation:

Silicon is present in group 14 of periodic table.

It is blue-gray color metalloid.

Its atomic mass is 28 g/mol.

It is mostly used to make allow.

The most important alloy are Al-Si and Fe-Si. These are used to make different machine tools, transformer plates, engine etc.

Its atomic number is 14 and electronic configuration can be written as,

Electronic configuration:

Si₁₄ = 1s² 2s² 2p⁶ 3s² 3p²

The noble gas electronic configuration or abbreviated electronic configuration can also be written.

Si₁₄ = [Ne] 3s² 3p²

The atomic number of neon is 10. Its electronic configuration is,

Ne₁₀ = 1s² 2s² 2p⁶

That's why we write [Ne] for 1s² 2s² 2p⁶ in abbreviated electronic configuration of Si.

5 0

3 years ago

Three quantum numbers are derived from Schrodinger’s equation that describe the probability of finding an electron around a nucl

hodyreva [135]

Principle: Orbital size & main energy level

Angular: Orbital shape

Magnetic: Orbital orientation

Orbital size is Principle; main energy level is Principle; shape is Angular; orientation is Magnetic

Principle:

imagine a bullseye. each ring shows how far its from the nucleus

Angular:

0 looks like circle

1 looks like a bowtie

2 looks like a flower or 4 leaf clover

3 looks like multiple lobes

Principle Quantum Number: It describes the size of the orbital and the main energy level. It is represented by n. Where, n = 1,2,3,4....stands for K, L, M, N shell and so on..

Angular momentum Quantum Number : It describes the shape of the orbital. It is represented as 'l'. The value of l ranges from 0 to (n-1). For l = 0,1,2,3... the orbitals are s, p, d, f...

Magnetic Quantum Number : It describes the orientation of the orbitals. It is represented as . The value of this quantum number ranges from . When l = 2, the value of will be -2, -1, 0, +1, +2.

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3 0

2 years ago

I need help with these questions please

svetoff [14.1K]

The first part of two is heat, not temperature, once that is cleared up: starting from 3: temperature, concentration, collisions, catalytic converter, surface area

3 0

4 years ago

What does the atomic number of an element refer to on the periodic table?

jekas [21]

The elements are listed in order of increasing the atomic number. Its the number that is the number of protons in the nucleus of an atom.

6 0

3 years ago

Read 2 more answers

How would you separate the following ions by selective precipitation Ag + , Pb 2+, Cu 2+.

Lemur [1.5K]

Answer:

we cannot vduurggruuriirru**

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3 years ago