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Minchanka [31]
3 years ago
15

Which characteristic best distinguishes quantitative data from qualitative data?its validity

Chemistry
2 answers:
Valentin [98]3 years ago
8 0

Answer:

its ability to be graphed

Explanation:

A qualitative data essentially provides the outcome of an experiment in a descriptive manner. It cannot be measured but can only be observed. For example: color of a solution, texture of a metal etc.

In contrast, a quantitative data provides a numeric value to explain the outcome of an experiment. It can be measured using appropriate tools. The data can be analysed through graphs to model the behaviour of a certain experiment or to predict an outcome. For example: temperature, volume, weight are all quantitative data. In reaction kinetics for example, the change in concentration of reactants is monitored as a function of time. Both, concentration and time are quantitative data and can be plotted to deduce the order of a reaction.

stealth61 [152]3 years ago
4 0
The correct answer would be C.. its ability to be graphed. I am taking this test too! hope this helps!!! :)
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Why was alchemy so confusing?​
galina1969 [7]
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Alchemy is extremely complicated. It is based on the practical skills of early metal workers and craftsmen, on Greek philosophy, and on Eastern mystic cults that sprang up in the first centuries after Christ and influenced so much of magic and occult thought.
8 0
3 years ago
1. Oxygen<br> full electron configuration
Arada [10]

Answer:

1s^{2} 2s^{2} 2p^{4}

Explanation:

Oxygen has eight eletrons and six valence electrons, giving it the electron configuration of 1s^{2} 2s^{2} 2p^{4}.

7 0
3 years ago
Identify the species that was reduced in the titration reaction. Justify answer in terms of oxidation number 6h+(aq)+2mno4−(aq)+
egoroff_w [7]

Answer:

Explanation:

Reaction given

6 H⁺ + 2 MnO₄⁻ + 5 (COOH)₂ = 10CO₂ +8H₂O + 2 Mn⁺²

Oxidation number of Mn in MnO₄⁻

=  x - 4 x 2 = -1

x = 8 -1

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Oxidation no of Mn in Mn⁺² =  +2

So its oxidation no is decreased from + 7 to + 2  . Hence it is reduced.

5 0
3 years ago
How many moles of oxygen (O2) are present in 33.6 L of the gas at 1 atm and 0°C?
maw [93]

Answer: 1.5

Explanation:

Just took the test on E2020!

3 0
3 years ago
When two atoms form a covalent bond, they share electrons from all of their orbitals. All of their orbitals, in turn, combine to
erma4kov [3.2K]

Answer:

It's false.

Explanation:

Molecular orbital theory states that the number of molecular orbitals is equal to the number of atomic orbitals that overlap. The lowest energy molecular orbital is formed when two atomic orbitals that are in phase overlap, forming a bonding molecular orbital. However, another molecular orbital is also formed, called an anti-binding orbital.

So if an "n" quantity of atomic orbitals is combined, an "n" quantity of molecular orbitals is formed.

Have a nice day!

8 0
3 years ago
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