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A friend who is not taking your Biology course fills a cup with ice and then a drink. The friend asks you why the ice in the cup is floating, and you are able to say that Group of answer choices water vapor is less dense than liquid water. ice is denser than liquid water. convection currents caused by temperature differences push upwards on the ice. the molecules are closer together in ice than in liquid water. the molecules are farther apart in ice than in liquid water.

Sagot :

Oseni

Answer:

the molecules are farther apart in ice than in liquid water.

Explanation:

The correct answer would be that the molecules of water are farther apart in ice than in liquid water.

Water molecules in ice form are usually less dense than water molecules in liquid form. The water molecules in ice usually arrange themselves in a lattice form, unlike the random form in liquid water. This arrangement makes water molecules in ice to be more evenly spread out than in their liquid counterpart. Thus, ice is usually less dense than liquid water and will obey the principle of flotation by floating on water.

Histrionicus

The ice in the cup is floating is due to: the molecules of water are farther apart in ice than in liquid water.

The density of a substance is the mass of the substance per unit of its volume. The formula to calculate the density is :

[tex]D = \frac{m}{v}[/tex], where D = density, m = mass of the substance, and v = volume

  • The density is the factor that determines if a substance will float or sink. The less-dense substance floats whereas, the more-dense object sinks.
  • When water freezes to form ice then water molecules show expansion to create an open cage-like structure.
  • This cage-like structure decreases the density of ice than the water so mass ice will have more volume as compared to liquid water.

Thus, the ice floats on water - the molecules of water are farther apart in ice than in liquid water.

Learn more about the density:

https://brainly.com/question/17569847

View image Histrionicus
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