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CHEMICAL REACTIONS AND EQUATIONS
Rating: 1.9 out of 5(2 ratings)
104 students

CHEMICAL REACTIONS AND EQUATIONS

Types of Chemical Reactions
Created byVinay Arya
Last updated 9/2019
English

What you'll learn

  • Change is the law of nature. Scientist classify these changes as physical changes and chemical changes.
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Course content

1 section • 8 lectures • 1h 53m total length

  • 1.1. CONTENTS10:30

    Explore chemical reactions and chemical equations by learning to write word equations and formulas, balance equations, and study displacement, combination, and oxidation-reduction concepts with practical examples.

  • 1.2. INTRODUCTION TO CHEMICAL REACTIONS20:17

    Introduce chemical reactions, distinguish physical from chemical changes, and represent processes with word and balanced chemical equations using examples like sodium with water and magnesium oxide.

  • 1.3. RULES FOR WRITING A WORD EQUATION15:10

    Learn the rules for writing word equations, identify reactants and products, use plus signs and arrows, and understand how balanced equations have equal numbers of atoms on both sides.

  • 1.4. BALANCING CHEMICAL EQUATION18:21
  • 1.5. EXOTHERMIC REACTION14:01
  • 1.6. DISPLACEMENT REACTIONS12:15
  • 1.7. REDOX REACTIONS10:28
  • 1.8. EFFECTS OF OXIDATION REACTION IN EVERYDAY LIFE12:56
  • Innovation

Requirements

  • Basics of Chemical Equations

Description

Everything in the world undergoes change. The change may be physical or chemical. A change is said to be physical when it does not involve change in chemical composition of the substance. But when the chemical composition of a substance is changed, the substance is said to undergo a chemical change or it is said that a chemical reaction takes place. Thus during a chemical reaction, the chemical composition of the substance is changed and new substances having new properties are formed. Thus a chemical reaction may be defined as the process in which original substances disappear and new substances are formed. In fact, during a chemical reaction, old bonds are broken and new bonds are formed. In other words, atoms are rearranged to form new substances.

Chemical reaction :- The processes, in which a substance or substances undergo a chemical change to produce new substance or substances, with entire new properties, are known as chemical reaction.

The nature and identity of products totally changes from the reactants. Observations which determines whether the chemical reaction has taken place or not.

(a) Chemical reaction must be associated with change in temperature i.e. Heat should be either evolved or absorbed.

(b)The reaction must occur between fixed quantities of the reactants.

Who this course is for:

  • Beginners and 10 grade students

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