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german
3 years ago
10

When the first ball in a Newton's cradle is pulled back and released, it causes the final ball to move. What does this example o

f mechanical energy show?
A. Mechanical energy is energy in motion
B. Mechanical energy travels in waves
C. Mechanical energy is stored energy
Chemistry
1 answer:
bazaltina [42]3 years ago
7 0

Answer:

<h3>A. </h3>

Explanation:

Mechanical energy is energy in motion is the example of mechanical energy⚡

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What is the strongest type of intermolecular force between solute and solvent in each solution?
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London Dispersion Force between solute and solvent in each solution is the strongest type of intermolecular force.

<h3>What is London Depression Force ?</h3>

There are 4 types of intermolecular forces -

  • Dispersion Force
  • Dipole–Dipole
  • Hydrogen Bonding, and
  • Ion-Dipole.

The London dispersion force is a transient attractive attraction that occurs when two nearby atoms' electrons occupy locations that cause the atoms to form temporary dipoles. This force is also known as induced dipole-induced dipole attraction.

Example ; If these atoms or molecules come into contact with each other, dispersion forces exist between them. Consider the London dispersion forces between two chlorine molecules. Both chlorine atoms are connected in this case via a covalent connection formed by the equal sharing of valence electrons between two chlorine atoms.

Thus from the above solution we can say that in between these solutions London Depression force is the strongest force.

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2 years ago
What determines crystal size in minerals formed by lava or magma?
Burka [1]

Answer:

When magma cools, crystals form because the solution is super-saturated with respect to some minerals. If the magma cools quickly, the crystals do not have much time to form, so they are very small. If the magma cools slowly, then the crystals have enough time to grow and become large.

Explanation:

5 0
3 years ago
A certain first-order reaction has a rate constant of 2.65×10−2s−1 at 16 ∘C. What is the value of k at 63 ∘C if Ea = 88.5 kJ/mol
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Answer:

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3 years ago
What is an oxidation number?
STALIN [3.7K]
An oxidation number is the electrical charge a molecule or ion appears to have as determined by a set of arbitary rules.
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4 years ago
NH4NO2(s)→N2(g)+H2O(l) ---------------- Express your answer as a chemical equation. Identify all of the phases in your answer.
cestrela7 [59]

Answer:

The balanced equation is :

NH4NO2(solid) = N2(gas) + 2 H2O(liquid)

Explanation:

A balanced chemical equation is an equation that has an equal number of atoms and charges on both sides of the equation. The given equation in question is imbalanced as the number of atoms not equal.

In this reaction, solid ammonium nitrite breaks into nitrogen gas and water, reaction known as decomposition.

The correct and balanced equation as follows :

NH4NO2(s) = N2(g) + 2 H2O(l)

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4 years ago
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