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What determines the pitch or frequency of a string on a violin or a guitar? How does a musician get a variety of notes from one string? Explain why the crack of a whip is a "mini" sonic boom.
source of carbon, show how to prepare a) cis-3-octene b) trans-3-octene
Formula for numerous members of the lillianite group of sulfosalts is given below. Design the composition of each mineral in atomic on a Sb-Pb-Ag triangular diagram where Sb = top, Ag = left and Pb = right; ignore S
Classify each of the following as ionic or covalent compounds and Draw Lewis structures
When 20 mL of a 120 mL stock solution containing 2 M BaF2 is diluted to 80 mL, what is the concentration of F- in the new solution.
The laboratory manual specifies two types of errors in measurements. What are these errors? Briefly describe each kind and provide examples
The precipitate of CaC2O4, weighed 1.437 grams determine the molarity of calcium chloride in the solution?
Ammonium Carbonate, NH4CO2, decomposes as follows: NH4CO2NH2(s) -> 2NH3(g) + CO2(g) Starting with only the solid, it is found that at 40C the total gas pressure is .363 atm. Calculate Kp.
Calculate the amount of energy produced (in J) when one positron and one electron annihilate one another. Each particle has a mass of 9.1*10^-31kg. If that energy is carried away by two gamma rays photons, what is the wavelength of each photon?
Classify each of the following aqueous solutions as a nonelectrolyte, weak electrolyte, or strong electrolyte.a)LiClO4 b)HClO c)CH3CH2CH2OH d)HClO3 e)CuSO4 f)C12H22O11
If equal masses of both metals were transferred to equal volumes of water in seperated graduated cylinders, which graduated cylinder would have the greatest volume change. why.
When 6.50 g of the solid is dissolved in 50.0 g of water, the freezing point of the solution is lowered by 5.23 degrees celsius. What is the composition by mass of the solid?
In a laboratory 6.80g of Sr(NO3)2 is dissolved in enough water to form 0.450L of solution. A 0.120L sample is withdrawn from this stock solution as well as titrated with a 0.0300M solution of Na2CrO4.
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