This series of short articles produced by Bro James McCann of the Riverwood ecclesia(au) is a wonderful resource and provide well-reasoned arguments in support of a creation over theistic evolution (Evolutionary creationism).
Amazing Creative Designs
What is one of the simplest substances yet arguably the most important molecule needed for life? What do we use for the most basic functions like drinking or washing ourselves with, to uses like maintaining biological systems, providing a habitat for a multitude of organisms or even regulating global weather and temperature? Dihydrogen monoxide or more commonly, water.
Water is unique in so many ways and without these properties, life would cease to exist. Water is:
But what makes water so amazingly versatile? How is water one of the only substances on earth that are found in all three physical states (solid, liquid and gas)?
It is the properties of water that make it such a unique substance and needful to support life. Compared to many molecules of similar size, shape and bonding water still stands out.
Melting Point and Boiling Point
Without such a high MP and BP water would not be able to fulfil half of the uses it is necessary for. Is this coincidence or an accident? Obviously not. In fact, water has much higher than expected values for many properties, including surface tension and viscosity.
Many of water’s unique properties come from the type of bonds that hold water molecules together. This intermolecular force is called “hydrogen bonding”. It is a special type of bonding that is created because of water’s bent shaped molecule and the way the Oxygen and Hydrogen atoms unequally share electrons. Oxygen loves electrons more than hydrogen, so they spend more time around the oxygen than they do around the hydrogen side of the molecule (creating two poles; one slightly negative and the other slightly positive). This electrostatic attraction then holds the water molecules together.
Many substances have hydrogen bonding, see NH3 and HF above. Yet water is still unique. Why?
Water is considered the perfect hydrogen bonding molecule. This is because there are two lone electron pairs on the Oxygen side of the molecule that can form electrostatic attractions with two hydrogen ends of other molecules, so a 1:1 ratio. This makes the water molecules have 4 strong hydrogen bonds with all sides of the molecule used up effectively.
When you compare this with Ammonia (NH3), the Nitrogen end of the molecule only has one lone pair so it can only make one hydrogen bond with any 3 of the hydrogen from another molecule, so the ratio is 3:1.
This is clearly a wonderful design feature. Chemists see this as the “perfect” model of hydrogen bonding and it is the reason behind many of waters unique but vital properties like:
When researching the properties of water you will often find statements like, “It is lucky for us that ice floats”. However it is clear that such an important feature on which life depends is not an accident but a design feature of an intelligent Creator.
“Does the rain have a father? Who fathered the dew? Whose womb brings forth the ice? Who gives birth to frost out of an empty sky when water solidifies like stone and the surface of the deepest sea freezes? (Job 38v28-30)
View all the articles in this series here….
or see another proof of creation series here…
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