Câu 26 (B.08): Cho dãy các chất: K2SO4.Al2(SO4)3.24H2O, C2H5OH, C12H22O11 (saccarozơ), CH3COOH, Ca(OH)2, CH3COONH4. Số chất điện li là A. 3. B. 4. C. 5. D. 2.

The reaction q+r2=r2q is found to be first order in r2 and

Describe the forces both attractive and repulsive that occur as two atoms move closer together.

Which statement best describes isomers? a. isomers are alcohols that have the same functional group. b. isomers have at least one carbon-carbon double bond. c. isomers have the same molecular formula but different structural properties.