Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter6: Chemical Reactions: An Introduction
Section: Chapter Questions
Problem 50AP: The Hall process is an important method by which pure aluminum is prepared from its oxide (alumina,...
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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.
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- Write balanced equations for each of the following types of reactions:
- Write the chemical equation and balance the reaction for the following word equations:
Transcribed Image Text:GENERAL CHEMISTRY I
ACTIVITY – WRITING AND BALANCING CHEMICAL EQUATION
CLASS NO:
DATE:
SCORE:
NAME:
_SECTION:
1. Write balanced equations for each of the following types of reactions
A.
COMBINATION or SYNTHESIS REACTION: A + B > AB
1.
Fe +
_O2 →.
Fe2O3
---
2.
Li +
Cl2 >
LICI
3.
C2H2 +
_F2> _C2H2F4
--
4.
CO,
5.
Au +
O2 >
Au203
B. COMBUSTION REACTION: hydrocarbon + oxygen → water + carbon dioxide
1.
_C9H20 +02 → _CO2+ _H2O
2.
_C3H8 + 02 →.
CO2 +
H20
--
-
3.
CH4 +
02 >_CO2 + H20
C2H6 +_O2 → _CO2 +
H20
4.
5.
C8H18 +
_O2 → _CO2 + _H2O
---
--
C. DECOMPOSITION REACTION : AB → A + B
1.
_KCIO3 >
_KCI +
O2
2.
Hgo> Hg +
O2
- --
3.
H2CO3 >
H20 +
CO2
-
-
4.
_NHẠNO3 >
H20 +
N20
5.
_NANO, >
_NANO2 +
O2(8)
--
-
D. SINGLE DISPLACEMENT REACTION: A+ BC → AC + B
1.
_Cu +_AGNO3 _Cu(NO3)2 +
Ag
Transcribed Image Text:2.
Fe+
Sn(NO:). >
Fe(NO:)3 +
Sn
3.
Li t_AuCl, →
LİÇI +_Au
-
4.
HCI +
Zn >
Hz +
ZnClz
5.
Naci + F2 _NaE + _CI;
E. DOUBLE REPLACEMENT REACTION: AB + CD > AD + CB
1.
Ca(OH); +
НОН +
CaSO.
-
CrCla +
Cr;0, +
LHCI +_NacI
2.
3.
H;SO.
NazSOa +
H20
+
NazCO,+
Ca(OH), >
CaCO3
4.
H;SO, +
Caco, >
_CasO. +
H;0 +
5.
CO2
II. Write the chemical equation and balance the reaction for the following word equations:
1.
Aluminum metal burns in pure oxygen to produce solid aluminum oxide.
Chemical equation
Balanced equation:
2.
When solid calcium hydroxide reacts with hydrochloric acid in water, dissolved calcium chloride
precipitate and water are formed. This reaction gives off heat.
Chemical equation
Balanced equation:
3.
When liquid isopropanol (C3H80) burns in oxygen, carbon dioxide, water, and heat are
produced.
Chemical equation
Balanced equation:
A solution of ammonium sulfate added to a solution of lead (II) nitrate, forms soluble
ammonium nitrate precipitate and solid lead (II) sulfate.
4.
Chemical equation
Balanced equation:
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