How many unpaired electrons does gadolinium have
How many unpaired electrons does gadolinium have and which orbitals arethey in? Provide the electron configuration as part of your answer.
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The specific heat capacity of silver is 0.24 J/oCg. It takes 1.25 kJ of heat energy to raise the temperature of sample of silver from 12.0 oC to 15.2 oC.Calculate the mass of the sample of silver.
A thin plate of copper is suspended in seawater. If the corrosion rate is 0.9 mpy (mils per year) and the plate is a square of dimension 5.0 in. per side, how much weight loss (in mg) is expected in 14 days?
After the collision, the 0.228 kg puck has a speed of 1.96 m/s at an angle of 26 to the positive x axis. Determine the velocity of the 0.391 kg puck after the collision.
Unpolarized light passes through two polarizers in turn with polarization axes at 50° to one another. What is the fraction of the incident light intensity that is transmitted?
What is the average velocity of the student during his walking? What is the average speed that the student was moving?
Phosphate ons are a major pollurant of water supplies. They can be removed by precipitation using solutions of Ca2-ions becasue the Ksp of calcium phosphate is 2.0 x10-29 .
Elemental sulfur occurs as octatomic molecules, S8. What mass of fluorine gas is needed to react completely with 18.7 g of sulfur to form sulfur hexafluoride?
(a) What is the total momentum of the system of the two carts at this instant? (b) What was the velocity of the first cart when the second cart was still at rest?
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