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What is the electron configuration for Cr3+? Also, I need explanation as to how the d orbital works. Why does it go from 4s2 to 3d
Suppose you have a sample of sodium weighing 11.62 g. How many atoms of sodium are present in the sample?
CO(g)+Cl2----COCl2(g) Kc=255 at 1000 K If the reaction mixture contains a CO concentration of 0.1500 M and a Cl2 concentration of 0.175 M at 1000K. What are the concetnrations of each substance when equilibrium is reached
At what temperature would CO2 molecules have an rms speed equal to that of H2 molecules at 25 degrees C?
for 2 so2g o2g reverse reaction arrow 2 so3g kp 3.0 104 at 700 k. in a 2.00-l vessel the equilibrium mixture contains
a beam of 632.8 nm photons from a he-ne laser strikes a detector area of 5.0 mm2. the laser has a flux of 3.18 x 1015
Determine the empirical formula and draw a possible structure for an organic compound with the elemental composition
1 what is the molarity of a kfaq solution containing 116g of kf in 1.00 l of solution?2 what is the molarity of an
Rubidium has two naturally occurring isotopes with the following masses and natural abundances, Calculate the atomic weight of rubidium.
the decomposition of n2o to n2 and o2 is a first order reaction. at 730 degrees celcius the half-life of the reaction
What would be the absorbance expected if th sample is diluted toa concentration of 0.040 M? Explain. B) What would be the absorbance expected if the path length of theoriginal solution is decreased to 0.10 cm? Explain.
determine the footing width for a one-story 800 square feet conventional wood-frame house with a 2:1 length-to-width ratio to be constructed on a site in a warm climate with the following soil
According to Boyle's law, for a fixed quantity of gas at a given temperature, what quantity relating pressure and volume is constant
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