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Anni [7]
2 years ago
8

What are empirical observations?

Chemistry
2 answers:
Nady [450]2 years ago
8 0

Answer:

Empirical evidence for a proposition is evidence, i.e. what supports or counters this proposition, that is constituted by or accessible to sense experience or experimental procedure. Empirical evidence is of central importance to the sciences and plays a role in various other fields, like epistemology and law.

Explanation:

thanks me later

aleksandrvk [35]2 years ago
6 0
Derived from experience or experiment. 2. depending upon experience or observation alone, without using scientific method or theory, esp. in medicine.
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Which is a reactive nonmetal???
ololo11 [35]
Sodium is very reactive but it’s a metal, and the problem asks specifically for a non-metal.
Silicone is technically reactive, but not super reactive.
Argon is a nonmetal, however it is an inert gas. It doesn’t react with anything.

We’re left with Chlorine, which is a non-metal in group 7, a highly reactive group, on the periodic table.
6 0
3 years ago
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8.632 nm + 8.3 nm - 30.0 nm=
Misha Larkins [42]

Answer:

13.06800 nanometers

Explanation:

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3 years ago
Who knows this........​
kvv77 [185]

Answer:

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4 0
1 year ago
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In a sealed gas-liquid system at constant temperature, eventually...?
SOVA2 [1]
<h2>Let us study about it .</h2>

Explanation:

Evaporation

It is the process of converting liquid into vapors .

Condensation

It is the process of converting  vapors back into liquid state .

  1. Suppose if we have a sealed container and we are supplying it with no or little heat , we will see that as we increase heat , the particles starts moving faster .
  2. When they move they also colloide and transfer energies .
  3. The kinetic energies of certain molecule increase to an extent that they leave the other particles and escape in atmosphere .
  4. That is evaporation occurs .At the same time when these vapors collide with each other or with the walls of container they get cooled and again get converted to liquid state .

It is seen that  a equilibrium is reached when "rate of evaporation becomes equal to rate of condensation ".

4 0
3 years ago
If 2.4 g of n2 gas has a volume of 0.40 l and a pressure of 6.6 atm , what is its kelvin temperature?
Nesterboy [21]

To solve for the absolute temperature, we assume ideal gas behaviour so that we use the equation:

PV = nRT

or T = PV / nR

 

So calculating:

T = [6.6 atm * 0.40 L] / [(2.4g / 28g/mol) * 0.08205746 L atm / mol K]

<span>T = 375.35 K</span>

8 0
3 years ago
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