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Science
Chemistry
Polyatomic Ions
Polyatomic Ions
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Set of polyatomic ions needed for ch 5
Terms in this set (36)
permangante
MnO₄⁻1
bicarbonate
HCO₃⁻1
bisulfite
HSO3 ^-1
bisulfate
HSO4 ^-1
Nitrate
NO3 ^-1
nitrite
NO2 ^-1
cyanate
OCN^-1
cyanide
CN ^-1
acetate
C2H3O2 ^-1
perchlorate
ClO4 ^-1
chlorate
ClO3 ^-1
chlorite
ClO2 ^-1
hypochlorate
ClO ^-1
perbromate
BrO4 ^-1
bromate
BrO3 ^-1
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Verified questions
CHEMISTRY
In a galvanic cell, one half-cell consists of gaseous chlorine bubbled over a platinum electrode at a pressure of 1.00 atm into a 1.00 M solution of NaCl. The second half-cell has a strip of solid gallium immersed in a 1.00 M Ga(NO3)3 solution. The initial cell potential is measured to be 1.918 V at 25°C, and as the cell operates, the concentration of chloride ion is observed to increase. (a) Write balanced equations for the half-reactions at the anode and the cathode. (b) Calculate the standard reduction potential of a Ga^3+ I Ga half-cell. Consult Appendix E for the reduction potential of the Cl2 I CI^- electrode.
PHYSICAL SCIENCE
People in the United States know that water boils at 212°F. In Europe, people know that water boils at 100°C. Is the water in the U.S. different than the water in Europe? What explains the two different temperatures?
CHEMISTRY
Fish-liver oil is a good source of vitamin A, which is measured spectrophotometrically, after correcting for background, at a wavelength of 329 nm. (a) Suggest a reason for using this wavelength. (b) In what region of the spectrum does this wavelength lie? (c) When 0.1232 g of fish-liver oil is dissolved in 500. mL of solvent, the absorbance is 0.724 units. When $1.67 \times 10 ? 3$ g of vitamin A is dissolved in 250. mL of solvent, the absorbance is 1.018 units. Calculate the vitamin A concentration in the fish-liver oil.
CHEMISTRY
Consider the element silicon, Si. Write its electron configuration.
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