The pressure will 14. 0 g of co exert in a 3. 5 l container at 75°c is 4.1atm.
Therefore, option A is correct option.
Given,
Mass m = 14g
Volume= 3.5L
Temperature T= 75+273 = 348 K
Molar mass of CO = 28g/mol
Universal gas constant R= 0.082057L
Number of moles in 14 g of CO is
n= mass/ molar mass
= 14/28
= 0.5 mol
As we know that
PV= nRT
P × 3.5 = 0.5 × 0.082057 × 348
P × 3.5 = 14.277
P = 14.277/3.5
P = 4.0794 atm
P = 4.1 atm.
Thus we concluded that the pressure will 14. 0 g of co exert in a 3. 5 l container at 75°c is 4.1atm.
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Answer:
Option B - The induced current flows counter-clockwise.
Explanation:
Faraday's law of electromagnetic induction states that whenever a conductor is placed in a changing magnetic field, an electromotive force is induced and that if the conductor circuit is closed, a current is induced which is the induced current. The magnitude of the EMF induced in the coil is therefore proportional to the rate of change of magnetic flux throughout the coil.
Meanwhile, the direction of the induced current is given by Lenz's law which states that the direction of the induced current will oppose the change in electromagnetic force that produced that current.
Since the magnetic field points upwards, the induced current will move in a direction to the left which is counterclockwise
Answer:
Metal - smallest band gap energy
insulators - large band gap energies
semiconductor - Band gap of intermediate energies
superconductor cooper pair theory is applied for calculating gap energies.
Explanation:
Metal - smallest band gap energy
it is due to the fact that valence and conduction bond in metal are in overlapped conditioned. Therefore showing zero gap energies
insulators - large band gap energies
insulator has high band gap
semiconductor - Band gap of intermediate energies
semi conductor has gap of intermediate range
while for superconductor cooper pair theory is applied for calculating gap energies.
