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Suppose if a mineral has a density of 3.57g/cm3 and it adopts a cubic unit cell, with an edge length of 809 pm, Explain how many items of each type are in the unit cell?
Supposed that 36.78 mL of a 0.09554 M potassium chloride added to a 25.00 mL sample of lead(II) nitrate solution, and as a result all the lead(II) nitrate is consumed. Determine the morality of the lead(II) nitrate solution.
What is the definition and units for atomic mass. What is the difference between molecular mass and nominal mass. Which one do we usually use.
A buffer solution contains .20 M aniline (C6H5NH2 Kb= 3.9 *10^-10) and .20 M anilinium chloride (C6H5NH3^+) Cl^-. What is the pH of this solution
the addition of h2 to cc double bonds is an important reaction used in the preparation of margarine from vegetable
For a particular chemical reaction deltaH = -5.5kJ and deltaS = -25J/K. Under what temperature condition is the reaction spontaneous
(i) Arrange the following compounds in the order of increasing melting points: (a) He, (b) NH3, (c) LiBr, (d) Ar, (e) CsBr, (f) PH3, (g) CsI, and (h) RbBr.
which of the water samples that you tested had the highest calcium concentration? does this correlate with the total dissolved solids results you obtained
three gases 8.00 of methane 18.0 of ethane and an unknown amount of propane were added to the same 10.0- container.
a certain substance intially present at 0.500 m decomposes by second-order kinetics with a rate constant of 4.00 x 10-1
1. if in annbsp solution of aqueous sulfuric acid h2so4 hydronium ion concentration is 4 times the concentration of
A chemist wants to resolve a particular amine, but she has only meso-tartaric acid on hand.She scans the lab inventory and finds several acids, but they are listed only by their common names, which she does not know or remember.
Backside attack on the bromonium ion by a bromide ion results in a trans products. The bromine is added to opposite sides of the carbon-carbon double bond.
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