Chemistry
Chemistry, 19.03.2020 22:45, khushi83

The black, granular material that fills a dry cell in a common flashlight (between the carbon rod and the zinc shell) is manganese dioxide, MnO2. The oxidation number of manganese in MnO2 is:

a. +2
b. -2
c. +4
d. -4

answer
Answers: 3

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 12:00, Alexislol7908
From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor
Answers: 1
image
Chemistry, 22.06.2019 13:00, pat930
What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.
Answers: 3
image
Chemistry, 22.06.2019 19:50, ellycleland16
Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+
Answers: 1
image
Chemistry, 22.06.2019 22:30, arodavoarodavo
Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.
Answers: 3
Do you know the correct answer?
The black, granular material that fills a dry cell in a common flashlight (between the carbon rod an...

Questions in other subjects: