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A sound wave has a frequency of 2000 Hz. What is the distance between crests or compressions of the wave? (Take the speed of sound to be 344 m/s.) Compute the wavelength of an X-ray with a frequency of 1018 Hz.
Find the pH of a solution that has a weak acid concentration of 1.72 M and a weak base concentration
What is the pH of the solution created by combining 2.50 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)
Determine relevant literature papers and draw the mechanism or catalytic cycle of stille coupling. Explain what the rate limiting step in the catalytic is
The equation for a Beer's Law plot is y = 2012.5x + 0.003. If the recorded absorbance for an equilibrium mixture is 0.362, what is the concentration of FeCNS2+ (aq)?
Problem- Consider the titration of a 20.0mL sample of 0.105M HC2H3O2 with 0.130M NaOH. Determine each of the following.
What is the second step in the scientific method? 1-to analyze the data, and create a theory to confirm the experimental observations 2- to analyze the data, and propose a tentative hypothesis to explain the experimental observations.
a reaction mixture contains 11.0 g of pcl3 and 6.83 g of pbf2.pbf2 pcl3 rarr pf3 pbcl2how many grams of the compound
an executive jet aircraft is in a rapid climb in a standard atmosphere. its time rate of change of altitude is 15 fts.
Hydrogen can be extracted from natural gas according to the following reaction: CH4(g)+CO2(g) 2CO(g)+2H2(g) Kp=450 at 825K An 85 L reaction container initially contains kg of CH4 and 55.4 kg of CO2 at 825 K Assuming ideal gas behavior,
Determine how much heat is evolved or absorbed when 30.0 of lithium iodide completely dissolves in water.
How many total moles of ions are released when each of the following samples dissolves completely in water
What is the molecular, ionic, and net-ionc forms when nitric acid + chromium(3)hydroxide (Solid)(assume complete neutralization)
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