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Mama L [17]
3 years ago
6

The element hydrogen adom is made up of wich kinds of adams

Chemistry
1 answer:
egoroff_w [7]3 years ago
3 0

the element hydrogen atom is made up of oxygen atoms.

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Describe why corrosion is a natural process
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<u>Answer :</u>

  • <u>Answer :because it happens due to moisture and oxygen </u>

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Predict whether litmus paper will turn red or blue when dipped in:
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a. blue, b. red, c. red, d. basic - blue

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Which particle has the least mass? Proton, a helium atom, electron, hydrogen atom
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3 years ago
What mass of aluminum chloride could be made from 8.1 g of aluminum and 4.2 L of chlorine at STP?
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3 years ago
What is the energy released in this β − β − nuclear reaction 40 19 K → 40 20 C a + 0 − 1 e 19 40 K → 20 40 C a + − 1 0 e ? (The
Effectus [21]

<u>Answer:</u> The energy released in the given nuclear reaction is 1.3106 MeV.

<u>Explanation:</u>

For the given nuclear reaction:

_{19}^{40}\textrm{K}\rightarrow _{20}^{40}\textrm{Ca}+_{-1}^{0}\textrm{e}

We are given:

Mass of _{19}^{40}\textrm{K} = 39.963998 u

Mass of _{20}^{40}\textrm{Ca} = 39.962591 u

To calculate the mass defect, we use the equation:

\Delta m=\text{Mass of reactants}-\text{Mass of products}

Putting values in above equation, we get:

\Delta m=(39.963998-39.962591)=0.001407u

To calculate the energy released, we use the equation:

E=\Delta mc^2\\E=(0.001407u)\times c^2

E=(0.001407u)\times (931.5MeV)    (Conversion factor:  1u=931.5MeV/c^2  )

E=1.3106MeV

Hence, the energy released in the given nuclear reaction is 1.3106 MeV.

6 0
3 years ago
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