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Explain is the S-X bond length in one molecule longer than the other X = H, F? Reduce the relative direction of the dipole moments for the two molecules. Molecules are H2S as well as SF2
does a high maximum electrostatic potential indicate a strong acid strength? what does a low dipole indicate about acid
for a locus with two alleles a and a in a population at risk from an infectious neurodegenerative disease 16 people had
how many hydrogen bonds exist per full turn of the alpha helix? what is the rise in angstrom? can these be different in
The reactions represented below are all spoontaneous as written. For each, write the anode and cathode half - reactions and indicate the signs of the electrodes.
A beaker with 120 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 5.50 mL of a 0.250 M HCl solution to the beaker. How much will the pH..
If atom X forms a diatomic molecule with itself, the bond is A) ionic B) polar covalent C) nonpolar covalent D) polar coordinate covalent
Here it is. Analysis of several samples of a material containing only iron and oxygen gave the following results. Could these samples be the same compound
Determine the heats of formation or the steric energies of the exo-and endo-anhydride adducts using a molecular mechanics program. What do these energies tell you about the mechanism of the reaction
What is the composition in mole fractions of a solution of benzene and toluene that has a vapor pressure of 35 torr at 20 °C? Assume the mixture forms an ideal solution.
The resulting mixture exerts a pressure of 731 mmHg at 83°C. (a) What is the partial pressure of each gas in the container (in mmHg). (b) What is the mass of the original sample (in g)
What is the emprical formulae of the compound whose composition by mass is 1.32g of carbon dioxide contain 0.36g of carbon.
10 grams of potassium chlorate (KClO3) is heated and decomposed, what mass of oxygen gas will be formed?
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