Impurities selection for doping in group 14 semiconductors is: based on their ability to add more holes and fewer electrons or to add more electrons and reduce the holes.
<h3>Meaning of Semiconductors</h3>
Semiconductors can be defined as any material that has the ability to exhibit some properties of a conductor and some properties of an insulator.
A semiconductor can be used as either a conductor or an insulator when worked upon.
In conclusion, Impurities selection for doping in group 14 semiconductors is: based on their ability to add more holes and fewer electrons or to add more electrons and reduce the holes.
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Answer:
3 mole
Explanation:
2 moles of Ag give 1 mole of Mg(NO3)2
5 moles of Ag will give 5×1÷2 of Mg(NO3)2
=2•5 =3
Answer: 0.0195g of CO2 is produced
Explanation:
CH4 + 2O2 —> CO2 + 2H2O
Molar Mass of CO2 = 12 + (16x2) = 12 + 32 = 44g/mol
Molar Mass of CH4 = 12 + (4x1) = 12 + 4 = 16g/mol
From the equation,
16g of CH4 produce 44g of CO2.
Therefore 7.10×10^−3 of CH4 will produce Xg of CO2 i.e
Xg of CO2 = (7.10×10^−3x44) /16 = 0.0195g
Based on the properties of ideal gases, the true statements are:
- They have a small mass.
- They have no volume.
- They have no intermolecular forces.
<h3>What is an ideal gas?</h3>
An ideal gas is a gas which is assumed to have ideal properties.
The properties of an ideal gas are as follows:
- they have negligible mass
- do not attract or repel one another due to negligible intermolecular forces
- take up no space (have no constant volume)
- they collide with one another and the walls of their container
Therefore, based on the properties of ideal gases, the true statements are:
- They have a small mass.
- They have no volume.
- They have no intermolecular forces.
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