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A box contains a mixture of small copper spheres and small lead spheres. The total volume of both metals is measured by the displacement of water to be 426 and the total mass is 4.40 . What percentage of the spheres are copper?
Use the observations and arrange the following five reduction half-cell reactions in order, the one with the largest positive reduction potential listed first.
If there are three electrons in 2p, the electrons will differ in: a) principle quantum number b) secondary quantum number
the equilibruium constant Kc for the reaction A(g)+ B(g)----> C9(g) is 0.76 at 150C. If 0.800 mol of A is aded to 0.600 mol of B in a 1.00-L container at 150degrees C
if 5.00 grams of NaHCO3 decomposes, what is the mass of the carbon dioxide produced?
How many double bonds are present in the "best" resonance structure of the phosphate ion?
What is the pH of the solution obtained when 135 mL of 0.618 M NaOH is diluted to 16.0 L with water?
what mass of ammonium chloride can be added to 100 grams of water at 20 degrees celcius before the solution becomes saturated?
The tabulated mass of Cl is 35.45 amu. The two dominant isotopes of naturally occurring Cl are 35Cl (34.97 amu) and 37Cl (36.97 amu).
Structures of Acids, The chiral carboxylic acid A (C5H6O2) reacts with 1 mol of hydrogen gas on catalytic hydrogenation.
what compounds would you use and how would testing these two compounds contribute in your knowledge of the above mentioned subjects
A 32.0-g sample of water at 260. K is mixed with 47.0 g water at 300. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Lead has a face-centered cubic lattice with all atoms at the lattice points and a unit-cell edge length of 495.0pm its atomic mass is 207.2 amu what is the density of lead?
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