#1: the following reaction occurs in a voltaic cell: cu2+ + zn --> zn2+ + cu. which of the following reactions occurs at the anode?

a. cu2+ + zn --> zn2+ + 2e-

b. cu2+ + 2e- --> cu

c. zn --> zn2+ + 2e-

d. cu2+ + 2e- --> zn2+ + cu

How to make a periodic table out of candy

[08.05] which answer provides the correct name for name the following hydrocarbon? (2 points) moving left to right: a hydrocarbon chain made of a methyl group (ch subscript three) single bond carbon triple bond carbon single bond ch bonded to a methyl group (ch subscript three) and a chain including a methelyne group (ch subscript two) single bond methyl group (ch subscript three). 4-ethyl-2-pentyne 4-methyl-2-hexyne 2-heptyne 4-methy-hexane

An element x has two isotopes. x–15 has 7 protons and 8 neutrons. determine the atomic number and mass number of the second isotope, which has 10 neutrons in its nucleus.