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Find (i) total number of neutrons, and (...

Find (i) total number of neutrons, and (II) the total mass of neutrons in 7 mg of `C""^(14)`(assume that mass of neutron=mass of a hydrogen atom)

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To solve the question, we need to find the total number of neutrons and the total mass of neutrons in 7 mg of Carbon-14 (C-14). ### Step 1: Determine the number of neutrons in Carbon-14 Carbon-14 has an atomic number of 6 (which means it has 6 protons) and a mass number of 14. The number of neutrons can be calculated using the formula: \[ \text{Number of Neutrons} = \text{Mass Number} - \text{Atomic Number} \] ...
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Find (i) the total number of neutrons and (ii) the total mass of neutrons in 7 mg of .^(14)C (assuming that mass of neutron=mass of hydrogen atom).

Find (i) the total number of neutrons (ii) the total mass of neutrons in 7mg of ""^(14)C (Assume the mass of a neutron = mass of a hydrogen atom)

Knowledge Check

  • Total mass of neutrons in 7 mg of .^(14)C is:

    A
    `3xx10^(20) kg`
    B
    `4xx10^(-6) kg`
    C
    `5xx10^(-7) kg`
    D
    `4xx10^(-7)kg`

  • Number of neutrons in heavy hydrogen atom is

    A
    0
    B
    1
    C
    2
    D
    3

  • Determine total number of neutrons in three isotopes of hydrogen.

    A
    1
    B
    2
    C
    3
    D
    4

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    Find (a) the total number and (b) the total mass of neutrons in 7 mg of ._C14 ("Assume that the mass of neutron "= 1.675 xx 10^(-27)kg)

    (i) Calculate the total number of electrons present in one mole of methane. (ii) Find (a) the total number and (b) the total mass of neutrons in 7 mg " of " ""^(14)C . (Assume that mass of a neutron = 1.675 xx 10^(-27) kg) . (iii) Find (a) the total number and (b) the total mass of protons in 34 kg of NH_3 at STP. Will the answer change if the temperature and pressure are changed?

    (i) Calculate the total number of electrons present in one mole of methane (ii) Find (a) the total number and (b) the total mass of neutrons in 7 mg of .^(14)C (Assume that the mass of neutron = 1.675 xx 10^(-27) kg ) (iii) Find (a) the total number and (b) the total mass of protons in 34 mg of NH_(3) at S.T.P. (Assume the mass of proton = 1.6726 xx 10^(-27) kg ) Will the answer change if temperature and pressure are changed ?

    (i) Calculate the total number of electrons present in 1 mole of methane . (ii) Find (a) the total number and (b) the total mass of neutrons in 7 mg of .^(14) C . (Assume that mass of a neutron = 1 . 6 75 xx 10 ^(-27) g) (iii) Find (a) the total mnumber of protons and (b) the total mass fo protons in 32 mg of NH_3 at STP . ( mass of proton = 1 . 6 72 xx 10^(-27) g) Will the answer change if the temperature and pressure are changed ?

    The mass of neutron is same as that of

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