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"Made-up" element A has an electronegativity of 3.0 and it has 2 lone pairs of electrons in its valence orbit. It can form 2 bonds. "Made-up" element B has an electronegativity of 2.3 and no lone pairs in its valence orbit. It can form a single bond.
-What is a reasonable chemical formula for a molecule containing just elements A & B?
-Draw a sketch of the molecule's shape and indicate any full or partial charges on the atoms.
-Is this molecule likely to be hydrophobic or hydrophilic? Explain.
A compound is found to contain 10.37 % phosphorus, 4.689 % nitrogen, and 84.95 % iodine by weight. What is the empirical formula for this compound
Nitrogen and oxygen forms an extensive series of oxides with the general formula NxOy. What is the empirical formula for an oxide that contains 36.85 % by mass nitrogen?
Assuming stomach acid is 0.1 M HCl, how many grams of stomach acid would have been neutralized by311mg of Mg(OH)2
Some standard reduction potentials at 25oC are: Eo = 0.337 V for Cu2+(aq) + 2e- ? Cu(s)
Intended for the skeletal chemical equation C2 H4(g) + O2(g) = CO2 (g) + H2O(g). Define what is the coefficient of C2H4 in the balanced equation
explain Near-Infrared Fluorescence Imaging of Apoptotic Neuronal Cell death in a Live Animal Model of Prion Disease.
Nerol is an alcohol found in lemongrass. If Nerol has M+ = 154 and contains 2 double bond(s) and 0 ring(s); what is its molecular formula
Explain carefully, with a drawing, why the protons substituted ortho to an acetyl group normally have a greater chemical shift than the other protons on the ring.
if a 210 mg piece of gold (density=19.32 b/cm^3) is hammered into a sheep measuring 2.3*10 ft. what is the average thickness of the sheet in meters?
Enter the annual equivalent worth of the machine that is the best alternative if the interest rate is 7.9%. If neither machine is acceptable, enter 0."
For the given reaction (1) find out the respective products (2) balance the equations (3) specify the spectator as well as net ionic equations
In UV-Visible spectroscopy, How to predict the absorption of molecule at maximun wavelength, and how to calculation the amoumt of unknown sample?
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