Answer:
a) At a given temperature, C₂H₆ has a higher vapor pressure than C₄H₁₀.
Explanation:
<em>Which statement below is true?
</em>
<em>a) At a given temperature, C₂H₆ has a higher vapor pressure than C₄H₁₀. </em>TRUE. C₂H₆ has a lower molar mass than C₄H₁₀ and a higher vapor pressure at most temperatures.
<em>b) The strongest intermolecular attractive forces present in liquid CCl₄ are dipole-dipole forces.</em> FALSE. CCl₄ is nonpolar, so the strongest intermolecular forces are dispersion forces.
<em>c) HCl has a higher boiling point than LiCl.</em> FALSE. LiCl (ionic compound) has a higher boiling point than HCl (covalent compound).
<em>d) H₂O has a greater polarizability than H₂Se.</em> FALSE. Se has a larger atomic radius than O which is why H₂Se has a greater polarizability than H₂O.
<em>e) In general, the stronger the intermolecular attractive forces, the lower the ∆Hºvap.</em> FALSE. In general, the stronger the intermolecular attractive forces, the higher the ∆Hºvap.
Due to erosion, the soil is taken away from one place to another.This decreases the fertility of the land,.. it also is a cause for floods. Due to erosion, the vegetation is destroyed and nothing can be cultivated for a higher yield in the rough sandy land . Due to weathering of rocks, there is an advantage. The advantage is that the weathering of volcanic rocks give rise to Black Soil by which special crops like cotton,tobacco and sugarcane can be cultivated. Due to weathering, a hilly range may turn into a plain land after thousands of years.
Answer:
Redox reaction.
Explanation:
Hello,
In this case, the required chemical reaction is:
Which balanced is:
Thus, if we write the oxidation numbers:
Hence we evidence how the hydrogen is oxidized from 0 +1 and oxygen is reduced from 0 to -2, therefore the hydrogen is a reducing agent and the oxygen is an oxidizing agent. Thereby, this is a redox reaction.
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The original compound is sodium hydrogen carbonate which have the chemical formula NaHCO₃.
Sodium hydrogen carbonate contains sodium (Na), hydrogen (H), carbon (C) and oxygen (O).
Explanation:
We have the following chemical reaction when sodium hydrogen carbonate (NaHCO₃) is heated to produce carbon dioxide (CO₂), water (H₂O) and sodium carbonate (Na₂CO₃):
2 NaHCO₃ → CO₂ + H₂O + Na₂CO₃
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sodium hydrogen carbonate
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Lewis acid and have leaving group