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If one gallon of paint can cover a square room as well as ceiling with walls that are 9.74 feet high and 9.74 long, Explain what is the thickness of the paint (in micrometers)?
Determine the number of valence electrons for each of the following atoms. Enter each answer as a numeral. For example, if an atom has two valence electrons, enter the numeral 2. B ,H ,Kr ,Si
from the experimental data we obtain i- directly. to obtain ksp for pbi2 we must calculate pb2 in each equilibrium
Rubidium-87 decays by beta decay with a half-life of 4.9 x 10^10 yr. How many 87Rb atoms are in a moon rock sample that has a rubidium decay rate of 3500 disintegrations per hour
Consider the temperature change, together with the volume and concentration of the acid and base, noted in the HAZMAT team's response regulation information
Calculate the enthalpy change for the production of 200 L of hydrogen at 500 torr and 338.15 K for reaction : C(s) + H2O (g) --> CO (g) + H2 (g)
25 mL of 0.100 M AgNO3 are mixed with 35 mL of 0.0500 M K2CrO4. (a) Calculate the concentrations of each species at equilibrium.
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
How many donor atoms enable EDTA to form a stable complex ion with lead. A. 4 B. 6 C. 5 D. 3 E. 2
The standard reduction potential for the reduction of Eu3+(aq) to Eu2+(aq) is -0.43V. Which of the following substances is capable of reducing Eu3+(aq) to Eu2+(aq) under standard conditions
Which is the major product of the reaction of 2-methylbut-2-ene with water in the presence of a trace amount of acid
Derive a formula for the block density, pb, in terms of the fluid densities p1 and p2, the height h0, h1, and h2, and the cross-sectional area A.
question the heat of vaporization of ccl2f2 is 289 jg.what mass of this substance must evaporate in order to freeze
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