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Problem- An atom of a particular element is traveling at 1% of the speed of light. The de Broglie wavelength is found to be 4.15???10?3 pm. Which element is this?
Provide your answer in scientific notation
Calculate the equivalent height a column of mercury would have if mercury were esed instead of wted in the flask.the density of mercury is 13.6 g/cm3
Explain how many liters of O2 gas measured at 807torr and 250.0°C are formed by the decomposition of 253 g of KClO. You will need a balanced equation where KClO is the reactant. The other product is KCl.
1 as well as equilibrium bond length Re of 0.74 Å, approximate the probability of finding the ground state molecule with a bond length of R=2.10±0.01Å. Utilize the midpoint rule to estimate the integral for the probability.
A 75mL sample of NaOH was triated with >45 M HCL. 36 mL of HCL were necessary to reach the equivalent point. Compute the molarity of the NaOH.
Write net Brønsted equations that show the acidic or basic nature of the following substances, given the pH.
For the reaction Cl2 + 2KBr -> 2KCl + Br2, calculate the percentage yield if 200 g of chlorine react with excess potassium bromide to produce 410 g of bromine
Write a balanced equation for the acid-base reaction between m-nitroaniline and HCl. Using a pKa table, predict which way the equilibrium is favored.
Two samples of sodium chloride were decomposed into their constituent elements. One sample produced 2.84 g of sodium and 4.37 g of chlorine
Find the pH during the titration of 20.00mL of 0.1000M triethylmine, Kb=5.2x10^-4, with 0.1000M HCl solution after the addition of 10.00mL of titrant
a solution contains both copper ii and nickel ii. the absorbance of this solution at 394 nm is 0.175 while at 810 nm
What would happen if you dropped the object into the beaker while using the Archimedes' Principle method instead of submerging the object
Determine the ksp magnesium hydroxide where the solubility of Mg(OH)2 is 1.4x 10-4
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