The escape of the carbon dioxide molecules from the surface. Option 4.
What are the reasons?
The area where the soda and surrounding air come into contact when the soda bottle is opened rises. The exchange of gases between the soda and the atmosphere is facilitated by the increased surface area.
The molecules of carbon dioxide have a tendency to leave the liquid phase and transition into the gas phase as they come into contact with the air. The action in question is called degassing. The soda's concentration of dissolved carbon dioxide is decreased and its capacity to dissolve further due to the ongoing emission of carbon dioxide.
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help please! predict whether each substance will dissolve in water.
The compound n - hexane as shown does not dissolve in water.
Why does n - hexane not dissolve in water?
Due to a large difference in polarity between the two compounds, n-Hexane does not dissolve in water.
Water is a polar molecule, which means that one end of it (the hydrogen side) has a slight positive charge and the other end (the oxygen side) has a slight negative charge. The unequal distribution of electrons within the water molecule, which produces a dipole moment, is the cause of this polarity.
N-Hexane, on the other hand, is a nonpolar molecule. The electrons are uniformly distributed throughout the molecule, which is made up of carbon and hydrogen atoms bound together in a straight chain. N-Hexane lacks a substantial dipole moment as a result.
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If you have 2.60 X 1023 molecules of (NH4)3PO4, how many grams do you have?
If you have 2.60 x 10²³ molecules of (NH₄)₃PO₄, you have 64.7 grams of it.
The number of particles contained in a sample is measured in terms of the mole. One mole of a compound is the quantity of that substance that has a mass in grams equal to its relative atomic or molecular mass (atomic weight).To find the number of moles of (NH₄)₃PO₄, we'll need to use the Avogadro constant, which is 6.02 x 10²³. We can use the formula:moles = particles ÷ Avogadro constantThe number of particles is given as 2.60 x 10²³. Substituting the values:moles = 2.60 x 10²³ ÷ 6.02 x 10²³moles = 0.432Molar massNow that we have the number of moles of (NH₄)₃PO₄, we can compute its mass. The molecular mass of (NH₄)₃PO₄ is 149.0 g/mol. We can use the formula:mass = moles x molecular mass Substituting the values:mass = 0.432 x 149.0mass = 64.7 grams
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What are two types of fibres obtained from the fleece of a sheep? Which one is used to make wool?
Answer:
Answer: The two types of fibres obtained from the fleece of a sheep are beard hair, which are coarse and fine, and soft under hair, which grow near the skin. The under hair are used to make wool.
Explanation:
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(I didn't copy the person above me! I just realized we had the same answer.)