Statement
m ). Molar volume of all gases under normal pressures (1 atm) and normal temperature (273K) have a value of 22.4 litre and contains 6.023 x 10 2 3 molecules. The number is called the Avogadro's number or Avogadro's constant and is denoted by N A . Avogadro's law is very useful in chemi..
Statements
When transforming statements, check whether you have to change: pronouns present tense verbs (3rd person singular) place and time expressions tenses (backshift) A: My car is blue in colour. B: A says that his car is blue in colour. A: I came to office by car. B: A sai..
The Biconditional statement
If two simple statements p and q are connected by the connective 'if and only if', then the resulting compound statement is called the biconditional statement. Symbolically it is represented by p q. Example: An integer is even if and only if it i..
If two simple statements p and q are connected by the connective 'if and only if', then the resulting compound statement is called the biconditional statement. Symbolically it is represented by p q. Example: An integer is even if and only if it i..Compound statements and Truth table
Truth Tables - A table is indicating the truth values of one or more statements is called a truth tabl..
Naming of Simple Compounds
Compounds formed by the combination of two different elements are called binary compounds. Example: CO, CCl 4 , H 2 S, NaCl, NH 3 , HBr. Binary compounds may be ionic or molecul..
Conditional and Biconditional Statements (Contd...)
If two simple statements p and q are connected by the connective 'if and only if', then the resulting compound statement is called the biconditional statement..
Compounds
Compounds - A compound is a pure substance that is formed by the combination of atoms of two or more elements. The atom in a compound is chemically combined in a fixed and constant proportion. When compounds are formed, atoms of two or more elements combine c..
Conditional statement
If p and q are two statements, then the compound statement If p then q" is called the compound statement denoted by "p q", p q is false when p is true and q is false..
If p and q are two statements, then the compound statement If p then q" is called the compound statement denoted by "p q", p q is false when p is true and q is false..Which of the statements is true?
Which of the statements is true? => (2 - 4) - 3 = 2 - (4 - 3) or (2 - 4) + 3 = 2 + (4 - 3) or (2 - 4) × 3 = 2 - (4 × 3) or (2 × 4) × 3 = 2 × (4 × 3)..
The Conditional Statements
If p and q are two propositions, then the compound proposition, "if p then q" is known as conditional statement or implication. It is denoted by p q. p is called the antecedent (or hypothesis). q is called the consequent (or conclusion). Note: p q can be read as (i) If p th..
If p and q are two propositions, then the compound proposition, "if p then q" is known as conditional statement or implication. It is denoted by p q. p is called the antecedent (or hypothesis). q is called the consequent (or conclusion). Note: p q can be read as (i) If p th.. Result
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