Answered: 4.45 Obtain the oxidation number for…

4.45 Obtain the oxidation number for the element noted in each of the following. (a) Ga in Ga,O3 (c) Br in KBr04 (b) Pb in PbO2 (d) Mn in K,MnO.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.

Question

4.45

REACTIONS EVOLVING A GAS
4.42 The followi
4.41 The following reactions occur in aqueous solution. Com-
plete and balance the molecular equations using phase fabels.
Then write the net ionic equations.
(a) CaS + HBr
(b) MgCO, + HNO3
(c) K2SO3 + H,SO4
plete and balance
Then write the ne
(a) BACO3 + HM
(b) K2S + HCI -
(c) CaSO3(s) +
4.43 Write the molecular equation and the net ionic equation
for the reaction of solid iron(II) sulfide and hydrochloric acid.
Add phase labels.
4.44 Write the r
for the reaction c
mide in aqueous
OXIDATION NUMBERS
4.45 Obtain the oxidation number for the element noted in
each of the following.
(a) Ga in GazO3
(c) Br in KBrO4
4.47 Obtain the oxidation number for the element noted in
each of the following.
(a) N in NH2
(c) Al in Al(OH)4
4.46 Obtain the
(b) Pb in PbO2
(d) Mn in K2MNO4
each of the follow
(a) Cr in CrO3
(c) Ga in Ga(OH
4.48 Obtain the
each of the follov
(b) I in IO3
(d) P in H2PO4
(a) N in NO,
(c) Zn in Zn(OH
4.49 Determine the oxidation numbers of all the elements in
each of the following compounds. (Hint: Look at the ions pres-
ent.)
(a) Mn(CIO3)2
(c) HgCr30,
4.50 Determine
each of the follov
(b) Fe,(CrO4)3
(d) Co3(PO4)2
ent.)
(a) Hg2(BrO3)2
(c) CoSeO4

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