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What happens when hydrogen and oxygen molecules form water?
A chemical reaction between oxygen and hydrogen occur.
What are the weak chemical attractions between water molecules called?
Hydrogen bonds.
What bonds are on the weak side of chemical attraction between water molecules?
hydrogen
What kind of chemical bond occurs between different water molecules?
hydrogen bound
What are the weak chemical attraction between water molecules?
The weak chemical attractions between water molecules are hydrogen bonds. These interactions occur between the partially positive hydrogen atom of one water molecule and the partially negative oxygen atom of another water molecule. Hydrogen bonds are responsible for many of water's unique properties, such as high surface tension and specific heat capacity.
Which type of chemical bonds form between water mlecules?
The most important intermolecular bond between water molecules is the hydrogen bond. Hydrogen bonds are formed between the partially positive hydrogen atoms of one molecule, and the partially negative oxygen atoms other molecules.
Is burning of hydrogen in air chemical change?
Yes, burning of hydrogen in air is a chemical change because it involves a reaction between hydrogen and oxygen molecules to form water, releasing heat and light energy in the process.
How does the presence of hydrogen bonding affect the properties of molecules in a chemical compound?
Hydrogen bonding affects the properties of molecules in a chemical compound by increasing the boiling point, melting point, and solubility of the compound. This is because hydrogen bonding creates strong intermolecular forces between molecules, leading to greater cohesion and stability within the compound.
What is a relatively weak bond between polar molecules?
A hydrogen bond is a relatively weak bond formed between polar molecules. It occurs between a hydrogen atom bonded to an electronegative atom (such as nitrogen, oxygen, or fluorine) and another electronegative atom in a different molecule.
Is using electricity to separate water into hydrogen and oxygen a chemical change?
Yes, using electricity to separate water into hydrogen and oxygen is a chemical change because it involves breaking the bonds between the hydrogen and oxygen atoms in water molecules to form separate hydrogen and oxygen molecules. This process is known as electrolysis.
Is formation of water from its element physical change?
No, the formation of water from its elements (hydrogen and oxygen) is a chemical change because new substances with different properties are formed. In this case, a chemical reaction occurs between hydrogen and oxygen molecules to produce water molecules.
What kind of bonds do alcohols form between individual molecules?
Alcohols can form hydrogen bonds between individual molecules. These hydrogen bonds are attractions between the partially positive hydrogen atom of one molecule and the partially negative oxygen atom of another molecule. This plays a significant role in the physical and chemical properties of alcohols.
