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Presumptuous that a neutron star has the same density as a neutron, Compute the mass in kilograms of a small piece of a neutron star the size of a spherical pebble with a radius of 0.10 mm.
in this experiment several saturatedsolutions of borax will be saturated with a standard solution ofhcl. the titration
From the subsequent partial valence-level orbital diagrams, State the condensed electron configurations and the respective group numbers. (a) Electron configuration
What's the energy difference between axial and equitorial conformation of hydroxycyclohexane. What is hydroxycyclohexane
What products would expect from acid-catalyzed hydration of the following alkenes?
We have a fusion of metals A and B, their molar ratio is 1:1. If we pour 1.02 grams of this fusion into excess HCl solution, we will get 1120 mL of hydrogen gas. We would get the same amount of hydrogen gas if we poured 1.7 grams of our fusion int..
Provide a structure for the following compound: C9H10O3; IR: 2400-3200, 1700, 1630 cm-1; 1H NMR: ? 1.53 (3H, t, J = 8 Hz); ? 4.32 (2H, q, J = 8 Hz); ? 7.08, ? 8.13 (4H, pair of leaning doublets, J = 10 Hz); ? 10 (1H, broad, disappears with D2O sha..
A total of 2.00 mol of a compound is allowed to react in a foam coffee cup that contains 172 g of water. The reaction caused the temperature of the water to rise from 21.0 to 24.7 C. What is the enthalpy of this reaction
Consider the following species with tetrahedral electron-pair geometries and select the species with the smallest predicted bond angles.
The standardized perchloric acid solution is then used to titrate 41.10 mL of a solution of sodium lactate (NaC2H5OCOO). An endpoint is reached when 18.22 mL of perchloric acid has been added.
two solutions are prepared using the same solutesolution a 0.14g of the solute dissolves in 15.4 g of t-butanol.
A gas mixture composed of helium and argon has a density of 0.605g/L at a 741mmHg and 298K .What is the composition of the mixture by volume?
a .21 m3 drum contains 100l of a mixture of several degreasing solvents in water. the concentration of
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