Home
Class 12
PHYSICS
Find the total negative or positive char...

Find the total negative or positive charge on a 2 g silver coin. The atomic number and atomic mass of silver is 47 and 107.9 u respectively, Given: Avogadro's number is `6.023 xx 10^23 g^(-1) "mol"^(-1)` .

Text Solution

Verified by Experts

`pm 84.2xx10^3` C
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CHARGES AND FIELDS

    MODERN PUBLICATION|Exercise Conceptual Questions|51 Videos
  • ELECTRIC CHARGES AND FIELDS

    MODERN PUBLICATION|Exercise Tough & Tricky Problems|20 Videos
  • ELECTRIC CHARGES AND FIELDS

    MODERN PUBLICATION|Exercise Chapter Practice Test|15 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST|15 Videos
  • ELECTROMAGNETIC INDUCTION

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST FOR BOARD EXAMINATION|14 Videos

Similar Questions

Explore conceptually related problems

How many g atoms and number of atoms are there n (a) 60 g carbon, (b) 22.4 g Cu , an (c ) 72.52 g lead. Given atomic masses of C, Cu and Pb are 12,63.6, and 207.2, respectively. (Avogadro's number = 6.02 xx 10^(23)) .

Find the half life of U^(238) , if one gram of it emits 1.24xx10^4 alpha -particle per second. Avogadro's Number =6.023xx10^(23) .

Calculate the total positive (or negative) charge on a 3.11 g copper penny. Given Avogadro's number =6.023xx10^(23)(g^(-1)) mol^(-1), , Given Avogadro's number and atomic mass=63.5.

Estimate the number of free electrons in 36g of water and the negative charge possessed by them. Given : Avogadro's number = 6.023xx10^(23) and molecular weight of water = 18.

Find the half-life of uranium, given that 3.32 xx 10^(7) g radium is found per gram of uranium in old minerals. The atomic weights of uranium and radium are 238 and 226 and half-life of radium is 1600 years (Avogadro number is 6.023 xx 10^(23)//g -"atom" ).

Assertion: Both 12 g . of carbon and 27 g . of aluminium will have 6.02xx10^(23) atoms. Reason: Gram atomic mass of an element contains Avogadro's number of atoms.

MODERN PUBLICATION-ELECTRIC CHARGES AND FIELDS -Practice Problems
  1. A piece of woll is rubbed against a PVC strip. What will be the charg...

    Text Solution

    |

  2. Find the number of electrons present in an 8-g gold pin . Given : Mola...

    Text Solution

    |

  3. Find the total negative or positive charge on a 2 g silver coin. The a...

    Text Solution

    |

  4. Find the total negative and positive charges in 500 cc of water Given:...

    Text Solution

    |

  5. An object with a net positive charge of 2 xx 10^(-12) C contains 1.5 x...

    Text Solution

    |

  6. A Spherical ball is given one million electrons per second Calculate t...

    Text Solution

    |

  7. An object with an initial charge of 4 C is given 9 xx 10^19additional ...

    Text Solution

    |

  8. A charged object having charge of-4C is given 9xx 10^19 electrons. Cal...

    Text Solution

    |

  9. Two spherical balls of the same radius carry charges -0.4 C and-0.9 C....

    Text Solution

    |

  10. Calculate the change in mass of an object if 800 electrons are given t...

    Text Solution

    |

  11. The charges on three dentical ebonite spheres are +2 mC, -4 mC and +...

    Text Solution

    |

  12. The identical anions are placed 7xx10^(-10) m apart and experience of ...

    Text Solution

    |

  13. Two electrons are placed at a distance d such that electrostatic force...

    Text Solution

    |

  14. Two identical small plastic balls are rubbed against a piece of wool ...

    Text Solution

    |

  15. calculate the change in electrostatic force between the two balls, if ...

    Text Solution

    |

  16. Two identical metallic balls with equal charges are kept 4.5 cm apart....

    Text Solution

    |

  17. Two small objects are rubbed against each other using insulating handl...

    Text Solution

    |

  18. A point charge Q is kept fixed on a table and another particle of char...

    Text Solution

    |

  19. Total charge Q is divided between two point objects in such a manner t...

    Text Solution

    |

  20. Two point charges with charge magnitudes 2 nC and 3 nC are placed at a...

    Text Solution

    |