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Draw electron-dot structures for the following molecules, which contain atoms from the third row or lower.
A gas is expanded in a cylinder from 2.00 L to 12.0 L against an external pressure of 1.80 atm. At the same time, it absorbs 2.56 x 103 J of heat from the surroundings. Calculate ?E of the gas in J. (1 L•atm = 101.3J)
Here is the question and I need help showing the whole problem and solution. It says: Solid Chromium (III) Sulfide is placed in a test tube and mixed with water
A transition mutation for the second codon of glu would result in a gly. Explain the consequences of this, if the glu that was mutated was in the central region of a alpha-helix
the concentration of a solution sodium iodide ion will be determined by titrating 90 ml of it using potassium
If adding 0.552g sample of Metal X to 150 ml of 1.0M HCL caused a temperature increase of 7.33 degrees C, calculate the quantity of heat that has flowed.
Provide a detailed mechanism to account for the conversion of D-fructose into two equivalents of pyruvaldehyde. (Hint: glyceraldehyde will be an intermediate.)
Calculate the pH at the equivalence point in titrating 0.100 M solutions of each of the following with 8.0 x 10^-2 M NaOH.
Determine the molar mass of carbon dioxide by measuring the mass of an Erlenmeyer flask full of the gas. The following calculations are intended to familiarize you with the general procedure:
a certain second-order reaction has a rate constant of 1.75times10-3 at 27 and an initial half-life of 274 . what is
The poison strychnine is a weakly basic compound with Kb = 1.8e-6. What is the pH of a 0.058M solution of strychnine
What is the value of Kc if the extent of dissociation in 0.100M lactic acid is 3.65% at 25 Degree C?
Nitrogen and oxygen gases react to form dinitrogen trioxide gas. 2 N2(g) + 3 O2(g) -> 2 N2O3(g) At a certain temperature and pressure 4.2 L of N2 reacts with 6.3 L of O2.
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