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Mashcka [7]
3 years ago
7

Describe the motion of molecules in an ice cube and in a radiator in winter

Chemistry
2 answers:
Reika [66]3 years ago
8 0

Did your answers include these concepts?

Molecules in an ice cube have lower kinetic energy than molecules in a radiator.

Molecules in an ice cube move more slowly than molecules in a radiator. They collide with less force than molecules in a radiator.

When in direct contact, the fast-moving molecules in the radiator collide with the slow-moving molecules in the ice cube.

Kinetic energy is transferred from the molecules in the radiator to the molecules in the ice cube, causing a slowdown of the radiator molecules and an acceleration of the ice molecules.


pantera1 [17]3 years ago
6 0
<span>ice cube have lower kinetic energy that molecules in a radiators</span>
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Please help: A 0.200 M NaOH solution was used to titrate a 18.25 mL HF
algol [13]

The molar concentration of the original HF  solution : 0.342 M

Further explanation

Given

31.2 ml of 0.200 M NaOH

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Required

The molar concentration of HF

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M₁V₁n₁=M₂V₂n₂

n=acid/base valence (amount of H⁺/OH⁻, for NaOH and HF n =1)

Titrant = NaOH(1)

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\tt 0.2\times 31.2\times 1=M_2\times 18.25\times 1\\\\M_2=0.342

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