How is the unit cell of pbs related to its formula
Lead sulfide, PbS (commonly called galena), has the same formula as ZnS. Does PbS have the same solid structure as ZnS? If different, how are they different? How is the unit cell of PbS related to its formula?
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How many phases can be in equilibrium for various degrees of freedom (temperature, pressure and/or phase composition)?
You observed that if you apply a perpendicular force of 5.5N at a distance of 24.0cm from the axis of rotation, you ca accelerate the object from rest to 3.0 rev/s in just 1.0s. What is the moment of inertia for this irregular object?
How would you know if the alloy heat treatment is successful? Consider the tensile or yield stress, the elongation, and the microstructure that might be developed.
A ball with a mass of 12g moving at +15.0m/s collides with a second ball of mass 36g moving at +5.0m/s. After the collision, the 12g ball moves at +6.0m/s. What is the change in momentum of the 36g ball?
Lead sulfide, PbS (commonly called galena), has the same formula as ZnS. Does PbS have the same solid structure as ZnS? If different, how are they different?
Additional air is admitted from the supply line, causing the piston to rise another 20mm. What is the pressure inside the cylinder at this point?
What is the horsepower delivered to the plant? do not neglect friction. If all the friction is converted to heat, what will the rise of temperature in the water?
The law of conservation of momentum applies to a collision between two bodies if: a. they exert equal and opposite forces on each other. b. they exert forces on each other respectively proportional to their masses.
What is the difference between Ideal Materials and Real Materials? Is there a difference in strength and why do we see this difference?
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