Write an equation that shows the formation of a copper (I) ion from a neutral copper atom
2 answers:
<u>Answer:</u> The equation is written below.
<u>Explanation:</u>
Copper is the 29th element of the periodic table having electronic configuration of
When an atom looses an electron to form positive ion, it is called an oxidation reaction.
Copper will loose 1 electron to form +1 ion. The equation for the formation of copper (I) ion from neutral copper atom follows:
Hence, the equation is written above.
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1) 385 J
2) 450 J
Explanation:
1)
The amount of energy that must be absorbed by a certain substance in order to increase its temperature by is given by the equation:
where
m is the mass of the substance
C is its specific heat capacity
is the increase in temperature of the substance
For the block of copper in this problem, we have:
m = 10 g is the mass
is the specific heat capacity of copper
is the change in temperature
So, the energy absorbed by the block of copper is
2)
Similarly for the block of iron, the energy absorbed by the iron is given by
where
m is the mass of the block of iron
C is its specific heat capacity of iron
is the increase in temperature of the block
Here we have:
m = 10 g is the mass of the block
is the specific heat capacity of iron
is the change in temperature
So, the energy absorbed by the block of iron is