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TEA [102]
3 years ago
14

Consider the lattice energy of any ionic compound. What combination of ions and charges will produce the largest (in magnitude)

lattice energies? a. small ions and small charges b. large ions and large charges c. small ions and large charges d. large ions and small charges
Chemistry
1 answer:
saul85 [17]3 years ago
3 0

Answer:

c. small ions and large charges

Explanation:

The lattice energy is a consequence of the electrostatic interaction between the ions. Coulomb force, is the force that drives this electrostatic interaction and is defined by the equation below:

F = \frac{Q1Q2}{r^{2} }

Q1 and Q2 are the charges of the ions and r is the distance between them. This means the the higher the charges and the smaller the distance (ionic radius), the stronger the force between ions and, therefore, the larger the lattice energy.

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Kinetic energy is energy that comes from motion. Anything that is currently in motion has kinetic energy.

Let’s look at each example to determine if they have kinetic energy.

First off, a car in the garage: let’s ask ourselves- Is the car in motion?
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Next, a box sitting on a shelf: let’s ask ourselves the same question- Is the box in motion?
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Our third item is a ball lodged in a tree: again, we will ask ourselves the same question- Is the object moving?
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Our last item is a frisbee flying through the air: asking ourselves the same question- Is it moving?
Yes, the object is moving. Yes, it has kinetic energy.

The frisbee flying through the air has kinetic energy.
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