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<span>a. gains a proton and loses a neutron. </span>This process gives more stability to the atom.
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Answer:
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Explanation:
Answer:
Too high a value
Explanation:
HA + NaOH ⟶ NaA +H₂O
If the student has gone slightly past the equivalence point, they have added too much base.
The moles of HA are directly proportional to the moles of NaOH, so the moles of acid that the student calculates will be too high.
The calculated concentration of acid will also be too high.
Answer:
A = 0.023 m
Explanation:
The relation between the frequency of a radiation and its wavelength is given by the following expression.
where,
c is the speed of light (it has a constant value of 3.00 x 108 m/s)
A is the wavelength of the radiation v is the frequency of the radiation
In this case, the frequency is 13 GHz = 13 x
10° Hz = 13 x 1o° s-
The wavelength associated with this frequency is:
A = c/v = (3.00 x 10° m/s)/(13 x 10° s-") = 0.023
