Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Edwin H. Cooper"'
Autor:
Hubert N. Alyea, Edwin H. Cooper
Publikováno v:
Journal of Chemical Education. 46:A452
Autor:
Edwin H. Cooper Alyea
Publikováno v:
Journal of Chemical Education. 44:A274
Demonstrations of the effect of concentration on the rate of a reaction include H2O2+Cu(NH3)4++, Zn+acid, and the "long delay" iodine clock reaction.
Autor:
Edwin H. Cooper
Publikováno v:
Journal of Chemical Education. 46:A452
Publikováno v:
Journal of Chemical Education. 44:A599
Demonstrations include the analysis of air for oxygen content, paper burned in air, air + limewater, air + barium hydroxide, breathing into limewater, and the pH change from breath.
Autor:
Edwin H. Cooper
Publikováno v:
Journal of Chemical Education. 46:A496
Autor:
Edwin H. Cooper
Publikováno v:
Journal of Chemical Education. 46:A756
Autor:
Charles Owens, Evangeline B Klug, Lucian J. Wnukowski, Edwin H. Cooper, Evangeline B. Klug, Kenneth Jackman, Hubert N. Alyea, James A. Young
Publikováno v:
Journal of Chemical Education. 43:A241
Demonstrations include writing with alum crystals, the rate of crystallization and crystal size, purification by crystallization, growing salol crystals in a polarizer, growing crystal blossoms, th...