Biology
Biology, 04.11.2019 07:31, SakChan8367

Describe 2 observation of water that provide evidence that water molecules are attracted to one another

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Physics, 06.10.2019 09:02, mujithkalhan2762
Ascientist adds heat to each of the following substances. which will probably absorb the most heat before its temperature changes significantly? 50 g of solid copper 50 g of solid iron 50 g of liquid water 50 g of sand question 2(multiple choice worth 2 points) a drop of water placed on a smooth, dry surface will form a dome-shaped droplet instead of flowing outward in different directions. which of these best explains this observation? the bonds between hydrogen and oxygen atoms are very strong. the electrons in the atoms attract the electrons in the other atoms. water molecules at the surface experience fewer hydrogen bonds than water molecules within the liquid. water molecules near the surface produce more buoyant force than water molecules within the liquid. question 3(multiple choice worth 2 points) which of these best explains what happens when the ionic substance calcium chloride (cacl2) dissolves in water? the oxygen atoms in the water molecules are attracted to the ca2+ ions. the oxygen atoms in the water molecules are attracted to the cl− ions. the hydrogen atoms in the water molecules are attracted to the ca2+ ions. the oxygen atoms in the water molecules are attracted to the h+ ions. question 4(multiple choice worth 2 points) which of these statements about water is true? its atoms share electrons equally. it can dissolve all known substances. its molecules are farther apart in the solid state than in the liquid state. it has a lower specific heat than nearly all known metals.
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Describe 2 observation of water that provide evidence that water molecules are attracted to one anot...

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