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"Nanotechnology and Rare Earth Elements" Please respond to the following:
the reaction between lithium metal and chlorine gas is described by the following thermochemical equationlis
What is the concentration of silver ions (Ag+) in a saturated solution of silver sulfate (Ag2SO4, Ksp = 1.50 X 10-5)
Given 5.2 g of hydrobromic acid (48%) calculate the number of mL. (MW HBr: 80.91 g/mol, density: 1.49 g/mL) I am getting 1.675 but it is counting it wrong. Anyone else getting something different
A solution transmittance is 35% at 260nm. what will be solution absorbance if you dilute 25.0 mL of the solution to 50.0mM
Determine How many moles each of Na+ and Cl- are in 0.800 L A physiological saline solution contains 172mEq/ L each of Na+ and Cl-of the saline solution?
Do not delete any of the atoms or bonds in the template with the Erase button, and do not move atoms or groups directly attached to the ring by dragging them.
Calculate Ka and Original Concentration of Weak Base, You have a solution of a weak base, the pH of which is 10.7532. If 10.000 mL of this solution will neutralize 6.655 mL of 0.07667
Problem- 2C2H6 (g) + 7O2 (g) ? 4CO2(g) + 6H2O (g) ?H = -1560 kJ How much energy (in kJ) is released if 15.6 g of ethane undergoes combustion
If 29.1 mL of 0.4 M NaOH is used to reach the endpoint when titrating 20.1 mL of acetic acid, what is the concentration of the acetic acid in moles/L
The heat capacity of bomb calorimeters are determined by running a known, standard reaction. The combustion of 2.450 mmol of x caused the temperature of a bomb calorimeter to rise from 23.400
find out the cation radii- MgSe (545pm), CaSe (591 pm), SrSe (623pm), BaSe (662 pm). It is known that the Se2- ions are in contact in MgSe.
what is the main difference between, 2s or 3s or 4s orbitals, or 2p, 3p or 4p. is it just that they are bigger
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