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Consider a pipe with a length of 43.5 cm. If the temperature of the air is 19.5 oC and the pipe is closed in one end and open in the other, what is the frequency of the third harmonic for the pipe? Post your answer in hertz (Hz) and with 3 significant figures.
A solution is composed of 1.30 mol cyclohexane (Pcy=97.6 torr) and 2.50 mol acetone (Pac=229.5 torr). what is the total vapor pressure Ptotal above this solution
Provide a clear and yet somewhat concise description of how solid-state chemical sensors work.
The specific heat of mercury metal is 0.138J/gK. How much heat, in joules, is required to heat a 71.5 gram sample of mercury from -6oC to 54.4oC. Enter your answer in scientific notation with no units.
for the reaction fe2o3s 3 cog ? 2 fes 3 co2g the enthalpy change is - 6.60 kcal. on the basis of this information
what are the structural formulas for the following compound : 6-bromo-2-methyl-3-heptyne
Describe the Bohr effect in oxygen binding by hemoglobin, including all structural
Calculate the vapor pressure of a solution containing 25.3g of glycerin C3H8O3 in 125mL of water at 30.0C. The vapor pressure of pure water at this temperature is 31.8torr}. Assume that glycerin is not volatile and dissolves molecularly (i.e., it ..
Understanding of Chemistry basics - explain a situation that violates the second law of thermodynamics?
30.0 mL of 0.500 M KOH are needed to neutralize 10.0 mL of HCl of unknown concentration.HCl + KOH ? KCl +H2O Show your work.
With the above laboratory data, please find with absolute error: (1) Volume of KIO3 added, (2) Moles of IO3- dispensed, (3) Moles of I3- produced, (4) Moles of C6H8O6 in sample, and (5) Mass (in grams) of C6H8O6 in sample. Please see attached photo f..
The standard cell potential (E°) of a voltaic cell constructed using the cell reaction below is 0.76 V: Zn (s) + 2H+ (aq) ? Zn2+ (aq) + H2 (g) With PH2 = 1.0 atm and [Zn2+] = 1.0 M, the cell potential is 0.42 V. The concentration of H+ in the cath..
Include the following to provide a balanced description of the reaction:•Examine your product.•Explain what kind of reaction is occurring.
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