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Define the term mole....

Define the term mole.

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ICSE-SOME BASIC CONCEPTS OF CHEMISTRY -VERY SHORT ANSWER TYPE QUESTIONS
  1. Which of the following molecules are homoatomic ? (i) H(2)O, (ii) O(...

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  2. What is meant by amu ?

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  3. Define the term mole.

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  4. What is the relationship between the atomic mass and actual mass of on...

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  5. An atom is 40.08 times as heavier as 1/12 mass of an atom of Cl2. What...

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  6. Name a compound whose empirical formula and molecular formula are equa...

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  7. How many gram atoms and gram molecules are present in 64.0 g of oxygen...

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  8. How many Ca^(2+) and Cl^(-) ions are present in one mole of CaCl2?

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  9. Is the following equation balanced ? C(2)H(5)OH + 2O(2) to 2CO(2) + ...

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  10. Define the term molarity.

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  11. What is the value of Avogadro's Number ?

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  12. What is the difference between the empirical formula and molecular for...

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  13. Why are atomic masses regarded as relative masses?

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  14. During the formation of HCI from H2 and Cl2, two moles of hydrogen and...

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  15. Is the law of conservation of mass valid for nuclear reactions ?

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  16. State : Avogadro's law

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  17. How much would one amu weigh in grams ?

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  18. Can an element have variable equivalent masses ?

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  19. Can a less electropositive metal displace more electropositive metal f...

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  20. What do you understand by a double decomposition reaction?

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