4 years ago

Which best describe a characteristic of an adiabatic process

1 answer:

4 0

An adiabiatic process is thermally isolated, that does not mean that the temperature does not change, what it means is that there is not exchange of heat, then any exchange of energy is as work.

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Hydrochloric acid is a strong acid. Acetic acid is a weak acid. Which statement about hydrochloric acid and acetic acid is corre

liberstina [14]

Answer:

The dissociation constant for hydrochloric acid is greater than the dissociation constant for acetic acid

Explanation:

answer is correct

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3 years ago

Example of Scientific question?

qwelly [4]

Explanation:

how to understand the difference between acid and base

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4 years ago

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How many moles are in 68 grams of copper (ll) hydroxide, Cu(OH)2

Sveta_85 [38]

Molar mass Cu(OH)2 => 97.561 g/mol

Therefore:

1 mole Cu(OH)2 ------------ 97.561 g
? moles Cu(OH)2 ----------- 68 g

= 68 x 1 / 97.561

= 68 / 97.561

= 0.696 moles of Cu(OH)2

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3 years ago

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HNO2 + CaCO3 = H2CO3 + Ca(NO2)<br><br> Can someone please balance this equation?!?!

katen-ka-za [31]

Balanced equation

So we see from inspection that H is not balanced. And by balancing H we have to add 2(NO2) and 2H

So the balanced equation is;

2HNO2 + CaCO3 = H2CO3 + Ca(NO2)2

Any questions feel free to ask.

4 0

4 years ago

A physical chemist measures the temperature inside a vacuum chamber. Here is the result.

neonofarm [45]

Answer:

The answer is "237.247".

Explanation:

SI Unit:

This is an acronym of the word Système International in French. Its International System of Units (SI) is a metric system that would be universally acknowledged as a measurement standard. SI units play an important function in research and innovation in science and technology. In this, the temperature will be measure in the kelvin.

Conversion $^{\circ} \ to \ K$ :

let,

$\to 0^{\circ}\ C + 273.15 = 273.15\ K\\\\$

So,

$\to -35.903+273.15=237.247\ K$

8 0

3 years ago