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A scuba diver created a spherical bubble with a radium of 2.0cm at a depth of 30.0m where the total pressure (includingatmospheric pressure ) is 4.00 atm. What is the radius of thebubble when it reaches the surface of the water? (Assumeatmospheric pressure to be 1.00 atm and the temperature to be298K)
If an industrial diamond contained only carbon, how many atoms of carbon would be found in a 1.80-carat diamond
If a mixture of 35.8 g of CH4 and 75.5 g of S reacts, how many grams of H2S are produced? CH4(g)+4S(g)-->CS2(g)+2H2S(g).
Calculate the concentration of the Na2S2O3 solution if 30.70 mL of a 0.2210 M I2 solution react exactly with a 100.0 mL sample of the Na2S2O3 solution.
a high-boiling bp 202-204 degrees c burns with a yellow sooty flame. sodium fusion indicated that halogens nitrogen
the atomic mass of boron is 10.81 gmol. the wo naturally occuring isotopes are b-10 with a mass of 10.0129 amu and b-11
What ions and/or molecules are present in relatively large proportions in a solution of a weak base NH4OH (aq)?
A flask contains 0.653g of acid and a few drops of phenolphthalene indicator dissolved in water. the buret contains 0.170M NaOH.
An aqueous solution of sucrose, C12H22O11, boils at 112 degrees celcius. what is the molality
In the transition metals (the d-block), the electron configuration of cations is different than what you might expect. Instead of the d electrons being lost first, s electrons are lost first.
Is density of an organic molecule directly related to the molecular weight of a substance. (That is, does density always increase when molecular weight increases) Use the examples above to explain.
How long would it take for 1.50 mol of water at 100.0 C to be converted completely into steam if heat were added at a constant rate of 21.0 J/s?
A solution is 0.1 mM in NaF, Na2CO3, and Na3PO4. What would be the order of precipitation as a source of Ca2+ is added gradually to the solution? The relevant Ksp values are Ksp [CaF2] = 4.0×10-11, Ksp[CaCO3] = 8.7×10-9, Ksp[Ca3(PO4)2] = 1.3×10-32..
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