Answer:
Explanation:
Ya que las cargas eléctricas opuestas se atraen, las moléculas de agua tienden a atraerse unas a otras, haciendo el agua "pegajosa," como lo muestra el diagrama del lado derecho. Cuando las moléculas de agua se atraen unas a otras, se unen. Esta es la razón del porqué se forman las gotas
Explanation:
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Explanation:
An extensive mountain range can cause a large desert area.
Mountains are usually geologic features that have heights that are greater than 600m.
- Due to towering heights of mountains, they have serious effect on the weather and climatic pattern in an area.
- Air masses that are warm are usually moisture laden.
- As they try to cross the steep slopy side of one mountain, their pressure reduces and they drop the vapor in them causing rainfall.
- The cold wind moves to the other side.
- This side is called the leeward side.
- Cold air is dry and lacks moisture.
- This can lead to the formation of a desert.
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Answer:
The full amount (5.00 g) will be dissolved in 1 L of water at 25°C.
Explanation:
The molecular weight (MW) of Vanillin (C₈H₈O₃) is calculated from the chemical formula as follows:
MW(C₈H₈O₃) = (12 g/mol x 8) + (1 g/mol x 8) + (16 g/mol x 3) = 152 g/mol
If 0.070 mol of C₈H₈O₃ are soluble per liter of water at 25°C, the maximum mass that can be dissolved in 1 L is:
0.070 mol x 152 g/mol = 10.64 g
Since 5.00 g is lesser than the maximum amount that can be dissolved (10.64 g), the added amount will be completely dissolved in 1 L of water at 25°C.
D is the answer. It is the avagadro's constant
