Mutualism! The tree provides a home and food for the ants, while the ants protect the tree :)
Answer:
A. Energy is transferred to different forms
.
Explanation:
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In this case, we need to consider the law of conservation of mass and energy which states that mass and energy cannot be neither created nor destroyed, just modified; it means we can rule out B. and C. so far.
Moreover, since D. is actually true for combustion reactions because they are used to provide energy in industrial operations, this is not the concern here because a combustion reaction is not considered.
Therefore the correct option is A. Energy is transferred to different forms as the energy provided by Rose is transferred to the pendulum system
.
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Answer:
The correct answer is A and D.
Explanation:
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Reason:
The size of the ions follows the order:
Negatively charged ion > Neutral atom >
Positively charged ion
This is because of the size of ions increases when the electrons are added to the outermost shell of an atom.
This happens due to the increase in
electron-electron repulsion.
Moreover, when the electrons are removed from an atom, then the affective nuclear charge that is experienced by the outermost electron increases.
Thus the size of the positively charged ion is least.
Answer : The volume of the cube is,
Solution : Given,
Density of nickel =
Number of nickel atoms =
Molar mass of nickel = 58.7 g/mole
First we have to calculate the moles of nickel.
As, atoms form 1 mole of nickel
So, atoms form moles of nickel
The moles of nickel = 3.321 moles
Now we have to calculate the mass of nickel.
The mass of nickel = 194.94 g
Now we have to calculate the volume of nickel.
Therefore, the volume of the cube is,
Answer: Too much base was added
i guessed
Explanation: