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2 years ago

Which form of energy is directly related to the measure of the average kinetic energy of the particles in a substance?

Chemistry

2 answers:

timama [110]2 years ago

4 0

Answer:

thermal energy

Explanation:

Schach [20]2 years ago

3 0

Answer:

Thermal energy.

Explanation:

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bagirrra123 [75]

Answer:

open system

Coffee held in a cup is an open system because it can exchange matter water vapors and energy heat with the surroundings.

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2 years ago

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Let us write the appropriate equilibria and associate the correction <img src="https://tex.z-dn.net/?f=K_b" id="TexFormula1" tit

rosijanka [135]

Explanation:

The relation between $K_a\&K_b$ is given by :

$K_w=K_a\times K_b$

Where :

$K_w=1\times 10^{-14}$ = Ionic prodcut of water

The value of the first ionization constant of sodium sulfite = $K_{a1}=1.4\times 10^{-2}$

The value of $K_{b1}$ :

$1\times 10^{-14}=1.4\times 10^{-2}\times K_{b1}$

$K_{b1}=\frac{1\times 10^{-14}}{1.4\times 10^{-2}}=7.1\times 10^{-13}$

The value of the second ionization constant of sodium sulfite = $K_{a2}=6.3\times 10^{-8}$

The value of $K_{b2}$ :

$1\times 10^{-14}=6.3\times 10^{-8}\times K_{b1}$

$K_{b1}=\frac{1\times 10^{-14}}{6.3\times 10^{-8}}=1.6\times 10^{-7}$

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3 years ago

Systems Working Together

gogolik [260]

Answer:

Explanation:

Food moves through the digestive system with a wave-like motion called peristalsis. Muscles in the walls of the hollow organs contract and relax to cause this movement, which pushes food through the esophagus into the stomach.Apr 25, 2018

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2 years ago

In water acids form ___.

UkoKoshka [18]

Answer:

Hydrogen ions

Explanation: acids will produce hydrogen ions, I asked my teacher. Please tell me if we are wrong.

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3 years ago

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Water freezing is an exothermic process? tue or false

Aliun [14]

Answer:

Explanation:

When water becomes a solid, it releases heat, warming up its surroundings. This makes freezing an exothermic reaction.

So the correct answer is True

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2 years ago