The answer is accleration
Answer:
Option (2)
Explanation:
Cohesion is usually defined as the contrasting property by which the water molecules are attached to one another, and adhesion is the property by which the molecular substances are linked to the molecules of other substances.
Since, the water molecules are able to form inter-molecular hydrogen bonding, so they are comprised of strong cohesive force.
And, as the water molecules are able to stick to the walls of the container, so they tend to show more of the properties for adhesion.
Thus, according to the given condition, water molecules are sticking to other substances and this is the property of adhesion.
Hence, the correct answer is option (2).
Planck's constant =
6.62607004 × 10-34 m2 kg / s
Explanation:
Step by Step explanation
The Planck constant, or Planck's constant, is a fundamental physical constant denoted h, and is of fundamental importance in quantum mechanics. A photon's energy is equal to its frequency multiplied by the Planck constant. Due to mass–energy equivalence, the Planck constant also relates mass to frequency. Wikipedia
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Answer:Option B) 63.55 amu
Explanation:To find the average atomic weight of the two isotopes of copper that exist in nature we can use the below formula;
Average atomic mass = ∑ (isotope(s) x abundance)
Therefore, we have the given values of atomic masses of two copper isotopes are 62.93 u and 64.93 u, respectively. They have natural abundance as 0.692 and 0.368, respectively,
On substituting the above values, we get,
Average atomic mass = (62.93 x 0.692) isotope 1 of Cu + (64.93 x 0.308) isotope 2 of Cu
Average atomic mass = 43.54 + 19.99 = 63.538 ~ 63.55
Therefore, the average atomic mass of Cu will be 63.55 amu.
Answer:
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Explanation:
This is ur answer....
<em>Plants use a process called photosynthesis to make food. During photosynthesis, plants trap light energy with their leaves. Plants use the energy of the sun to change water and carbon dioxide into a sugar called glucose. Starch is stored in seeds and other plant parts as a food source.</em>
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