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Tcecarenko [31]
3 years ago
5

How many electrons would an atom need to have before it can begin filling the 3s sub level?

Chemistry
1 answer:
schepotkina [342]3 years ago
5 0
Well electrons are like electricity well it is partly if it went 3 sub levels the electrons would blow up some electricty<span />
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What is the density of an object that has a mass of 6.5 g and when placed in water displaces the volume from 4.5mL to 11.8mL? ro
KengaRu [80]

Answer:

\rho =0.9g/mL

Explanation:

Hello,

In this case, due to the volume displacement caused the by the object's submersion, it's volume is:

V=11.8mL-4.5mL=7.3 mL

In such a way, considering the mathematical definition of density, it turns out:

\rho =\frac{m}{V}=\frac{6.5g}{7.3mL}\\  \\\rho =0.89g/mL

Rounding to the nearest tenth we finally obtain:

\rho =0.9g/mL

Regards.

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Gets exited and moves at a faster constant speed

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Write the chemical equation for the dissolution reaction of solid iron(iii) hydroxide in water. include the phases of all specie
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Fe(OH)3 <-----> Fe3+ + OH-

To write a complete reaction, the reaction should be balanced wherein the number of atoms of each element in the reactant side and the product side should be equal. Also, the phases of the substances should be written. We do as follows:

</span>
Fe(OH)3 (s)  <-----> Fe3+ (aq) + 3OH- (aq)
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