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Molecular compounds that dissolve in water are typically polar or can form hydrogen bonds with water molecules. When these compounds dissolve, they often separate into individual molecules rather than ions, as seen with ionic compounds. The solubility of a molecular compound in water is influenced by its molecular structure and the presence of functional groups that interact favorably with water. Examples include sugars and alcohols, which readily dissolve due to their polar characteristics.
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Is Compounds that are similar to water in molecular mass all exist as solids true or false?
False. Compounds that are similar to water in molecular mass can exist in various states of matter depending on their chemical properties. For example, compounds like ethanol and methanol, which have similar molecular masses to water, can exist as liquids at room temperature.
Is it true or false that water can dissolve anything that is why it is called the universal solvent?
While water is known as the universal solvent because of its ability to dissolve many substances, it cannot dissolve everything. Water can dissolve polar or ionic compounds due to its polarity, but it may struggle to dissolve non-polar substances like oils and fats. Some compounds, like certain metals or plastics, are not easily dissolved by water.
Is it true water is a solvent for salt?
Yes, water is a solvent for salt because it can dissolve salt crystals at the molecular level. This process involves water molecules surrounding and breaking apart the salt molecules, which allows them to mix evenly throughout the water.
True or false Low melting points and lack of eletrical conductivity are properties of molecular compounds?
True. Molecular compounds have low melting points because their intermolecular forces are weaker compared to ionic or metallic compounds. They also do not conduct electricity well because they lack free-moving charged particles.
Molecular compounds boil at much higher temperatures than do ionic compounds true or false?
This is false. Ionic compounds have higher boiling points than molecular compounds. For example, the boiling point of the ionic compounds copper(II) oxide, CuO, and sodium chloride, NaCl are 2,000 degrees C and 1,413 degrees C, respectively. The boiling point of the molecular compounds carbon tetrachloride, CCl4, and water, H2O are 76.72 degrees C and 100 degrees C, respectively.
Is it true or false molecular compounds that dissolve in water do not conduct electricity because no charged ions are present?
True. Molecular compounds that dissolve in water do not conduct electricity because they do not dissociate into charged ions when dissolved. Since they do not produce free ions that can carry an electric current, they are unable to conduct electricity in aqueous solutions.
True or false ionic compounds such as sodium chloride dissolve easily in water?
True
Molecular compuonds that dissolve in water do not conduct electricity because no charged ions present?
That's correct. Molecular compounds do not dissociate into ions in solution, so they do not conduct electricity as there are no free charged particles to carry the current.
Is Compounds that are similar to water in molecular mass all exist as solids true or false?
False. Compounds that are similar to water in molecular mass can exist in various states of matter depending on their chemical properties. For example, compounds like ethanol and methanol, which have similar molecular masses to water, can exist as liquids at room temperature.
Is it true or false that water can dissolve anything that is why it is called the universal solvent?
While water is known as the universal solvent because of its ability to dissolve many substances, it cannot dissolve everything. Water can dissolve polar or ionic compounds due to its polarity, but it may struggle to dissolve non-polar substances like oils and fats. Some compounds, like certain metals or plastics, are not easily dissolved by water.
Ionic compounds such as sodium chloride NaCl dissolve easily in water?
Ionic compounds like sodium chloride (NaCl) dissolve easily in water because the water molecules effectively surround and break apart the ions in the solid, allowing them to spread out and create a solution. Water's polar nature makes it an excellent solvent for ionic compounds due to its ability to attract and interact with the charged ions.
Is it true water is a solvent for salt?
Yes, water is a solvent for salt because it can dissolve salt crystals at the molecular level. This process involves water molecules surrounding and breaking apart the salt molecules, which allows them to mix evenly throughout the water.
True or false Low melting points and lack of eletrical conductivity are properties of molecular compounds?
True. Molecular compounds have low melting points because their intermolecular forces are weaker compared to ionic or metallic compounds. They also do not conduct electricity well because they lack free-moving charged particles.
Molecular compounds boil at much higher temperatures than do ionic compounds true or false?
This is false. Ionic compounds have higher boiling points than molecular compounds. For example, the boiling point of the ionic compounds copper(II) oxide, CuO, and sodium chloride, NaCl are 2,000 degrees C and 1,413 degrees C, respectively. The boiling point of the molecular compounds carbon tetrachloride, CCl4, and water, H2O are 76.72 degrees C and 100 degrees C, respectively.
Why is water called the universal solvent and why does it have these properties?
Water is a substance that has the ability to dissolve most acids and bases. Its able to do so because of its polarity. Although it cannot dissolve some compounds like oil, it is still known as the most soluable solvent. Therefore the statement is true. The structure of the water molecule plays an important role in this property. How well a liquid can surround and stabilize an ion to "shield" its charge determines how wellionic compounds will dissolve(exceptions are organic compounds,oil). Due to this property,water helps and is conducive to most biological processes like circulation of blood, digestion of food,etc.
Lipids are water avoiding or hydrophobic compounds is true or fals?
True. Lipids are hydrophobic compounds that do not mix well with water.
Will organic fat dissolve in water true or false?
Yes it will dissolve in water!!!!1
