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dsp73
2 years ago
6

How do you write zinc chloride as a chemical formula?

Chemistry
1 answer:
Snezhnost [94]2 years ago
7 0
ZnCl2 is the chemical formula, hope this helps.

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Ice has a density of 0.92g/cm3. It will float in water.
SVEN [57.7K]

The density of pure water is 1 g/cm^3.

Its density is 0.98 g cm 3 at room temperature, in comparison with the handiest zero.92 g cm 3 for ice, a reality that has to be defined through atomic, and molecular concepts. If ice has been no longer much less dense than water, it might sink, having a devastating impact on lake backside ecosystems. believe it or now not, ice is honestly about 9% much less dense than water. for the reason that water is heavier, it displaces the lighter ice, causing the ice to glide to the pinnacle.

The density of ice is about 90 percent that of water, but that could range because ice can contain air, too. meaning that about 10 percent of an ice cube or iceberg will be above the water line. The density of water is maximum at four∘C, and the density of the ice is much less than the water due to its susceptible intermolecular pressure of attraction. as the density of water is more, it's miles heavier than ice. therefore ice floats on the floor of the water. Ice continually floats due to the fact it's far less dense than everyday water. because frozen water molecules shape a crystal.

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11 months ago
Which statement is true about the particles of a solid when the solid
ira [324]

Answer:

2) Their kinetic energy increases.

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The particles have more kinetic energy because they move around more when they are a liquid.

6 0
3 years ago
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The rate constant for this first‑order reaction is
jenyasd209 [6]

Answer:

t = 5.7634 s

Explanation:

  • A → Pdts
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∴ T = 400°C

∴ α = 1 ....first-order

∴ CAo = 0.950 M

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⇒ t = ?

⇒ - δCA/δt = K*CA

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⇒ Ln (CAo/CA) = K*t

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⇒ t = (Ln(0.950/0.300)) / (0.200 s-1)

⇒ t = 1.1527 / 0.200 s-1

⇒ t = 5.7634 s

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3 years ago
Which of the following answers correctly describes protons?
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The correct answer is C
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2 years ago
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What kind of energy transformation occurs in a gasoline-powered car?
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The energy transformation occurs in a gasoline-powered car is c<span>hemical energy is converted into mechanical energy. The answer is letter A. The rest of the choices do not answer the question above.</span>
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3 years ago
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