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Leviafan [203]
3 years ago
11

which statement is true about a molecule? a) a molecule is identical to the component elements. b) a molecule retains the physic

al properties of the component elements. c) a molecule retains the chemical properties of the component elements. d) the chemical and physical properties of the molecule are different from the component elements.
Chemistry
2 answers:
Annette [7]3 years ago
6 0

Answer:

Answer is d.

Explanation:

Molecule is a combination of a group of atoms. However, it is a result of a chemical reaction. Because of that reaction chemical and pyhsical properties of component elements change and form a new chemical compound. For example, (H2O) water is a molecule and has a totaly different properties from Oxygien and hydrogen.

Burka [1]3 years ago
4 0
A molecule retains the chemical properties of the component element.
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In a saturated solution, extra solid X would remain solid, dissolve in an unsaturated solution, and crystallize in a supersaturated one.

A solution is said to be saturated when there is a maximum amount of solute present that has been dissolved in the solvent. As a result, the system is in an equilibrium between the dissolved and undissolved solutes: A solution is considered to be unsaturated if the solute concentration is less than the equilibrium solubility. A supersaturated solution is one that has more solute than is necessary to generate a saturated solution at a given temperature.

Learn more about Supersaturated here-

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2 years ago
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Answer:

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Explanation:

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Balance the following chemical equation: <br> ___HCO + ___O —&gt; ___H2 + ___CO3
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Answer: 2HCO + 4O → H2 + 2CO3

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2 years ago
How are renewable fuels different from fossil fuels
cluponka [151]

Answer:

Renewable energy

Explanation:

on the other hand, typically emits less CO2 than fossil fuels. In fact, renewables like solar and wind power—apart from construction and maintenance—don't emit any CO2 at all. With renewable energy, you can breathe easier, stay cooler, and create a more comfortable world for generations to come.

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Why was the line of best fit method used to determine the experimental value of absolute zero?
BartSMP [9]

Answer:

<u><em></em></u>

  • <u><em>Because the x-intercet of the graph represents volume zero, which indicates the minimum possible temperature or absolute zero.</em></u>

Explanation:

Charle's Law for ideal gases states that, at constant pressure, the <em>temperature</em> and the <em>volume</em> of a sample of gas are protortional.

                       \dfrac{V}{T}=k\\\\V=kT

That means that the graph of the relationship between Temperature, in Kelivn, and Volume is a line, which passes through the origin.

When you work with Temperature in Celsius, and the temperature is placed on the x-axis, the line is shifted to the left  273.15ºC.

Meaning that the Volume at 273.15ºC is zero.

You cannot reach such low temperatures in an experiment, and also, volume zero is not real.

Nevertheless, you can draw the line of best fit and extend it until the x-axis (corresponding to a theoretical volume equal to zero), and read the corresponding temperature.

Subject to the experimental errors, and the fact that the real gases are not ideal, the temperature that you read on the x-axis is the minimum possible temperature (<em>absolute zero</em>) as the minimum possible volume is zero.

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