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If the molecular weight of a molecule is 180, how many grams would be required to make 100 milliliters of a 2 molar solution?
How many photons strike the CD surface during the playing of a CD 69 minutes in length?
A 0.3500 g sample of brass is analyzed by the procedure in the above exercise. The Beer's Law constant for the copper ammonia complex is determined to be 7.50 x 10^-1 mL/mg.
Write the complete balanced equation for the formation of iron(III) hydroxide precipitate from a solution of iron(III) nitrate.
A vapor composed of 0.45 mole fraction ethanol and 0.55 mole fraction acetic acid at 120.0 mmHg (absolute), is in equilibrium with a liquid phase also composed of ethanol and acetic acid.
What is the theoretical yield of aluminum oxide if 1.60 mol of aluminum metal is exposed to 1.50 mol of oxygen?
the dipole moment of CD^3F is 1.858 D, which is more electronegative, hydrogen or deuterium?
A hydrogen atom initially in the n=7 quantum state emits a photon having a wavelength of 2.16495E-6 m. What is the quantum number of the final state of the atom?
A gas-filled balloon having a volume of 2.50 L at 1.2 atm and 25°C is allowed to rise to the stratosphere (about 30 km above the surface of Earth)
Write the ionic equation and net ionic equation for the following reactions. Show all work for each balanced equation a. HCl(aq)+ NaOH(aq) b. CH3COOH (aq) + NaOH (aq)
If 5 moles of propane and 10 moles of oxygen are sealed in a container and burned, which reactant will be the limiting reactant, and how many moles of carbon dioxide will be produced?
How would you prepare 1.000 L of a 1.000 mole L?1, pH 7.50 Tris-aka, tris(hydroxymethyl)aminomethane-buffer? You have pure Tris?HCl, {(HOCH2)3NH+,Cl?}
Draw the best Lewis structure, and resonance contributors of equal energy (if any), for the molecule H2SO3 1- How many valence electrons are in your Lewis drawing
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