What is the density of the carbon nucleus
What is the density of the carbon nucleus? The volume of the nucleus of carbon atom is about 9.9 x 10-39 mL. The molar mass of the carbon is 12.00 g mol-1.
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A ground-state hydrogen atom absorbs a photon of wavelength 97.35 nm, causing the electron to jump to a higher energy level. Finally a second photon is emitted when the electron returns from the intermediate level to the ground state.
A sample of 25 doorknobs produced under new process results in a sample standard deviation of 0.025 inch. At the 0.05 level of significance, is there evidence that the new process significantly reduces the population standard deviation? Assume dia
What percent concentration is prepared if 6g of NaCl is dissolved in the1L of solution. What molar concentration is this when a 0.9% solution of NaCl is considered isotonic to the mammalian cells.
Determine the numbers of milliliters of 0.202 M NaOH should be added to the 25.0mL of 0.0233 M salicylic acid (2-hydrobenzoic acid) to adjust the pH to 3.50 M? Where the pKa's for the Salicylic acid: pKa1 = 2.972,pKa2 = 13.7
The residual gases occupied 137. 5 cm^3 and the volume was reduce by a 100 cm^3 on exposure of the gases through KOH solution and the remaining gas was oxygen.
Explain why is the trans isomer exclusively converted to the cis isomer during the short reaction periods and not vicecersa? Is it possible, under these conditions, that the trans and cis isomers are in equilibrium with one another?
Which of the following isn't the characteristic of the F distribution?
Calculate the minimum temperature at which magnetite can be reduced to iron by the graphite: Fe3O4(s) + 2C(s) -> 2CO2(g) +3Fe(s); delta Sr° = +351.44 J/K-mol;
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