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Firdavs [7]
3 years ago
10

What happens when ethanol is heated from 20ºC to 85ºC?​

Chemistry
1 answer:
DIA [1.3K]3 years ago
8 0
The c of the water or specific heat of water is 4 if the temperature is 25 degrees c and cubic meter in air. Contain 22 grams
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Answer:

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Explanation:

6 0
3 years ago
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What does the oxidation number tell you about an atom
Nezavi [6.7K]

Explanation:

An oxidation number is a number that is assigned to an atom in a substance. The oxidation number could be positive, negative, or zero, and it indicates if electrons are lost or gained. In other words, the oxidation number is a number that helps us keep track of electrons in an atom.

8 0
4 years ago
What evidence is Earth's Geological timescale mostley based from?
SCORPION-xisa [38]

Answer:

B. Geological Events and Lifeforms

Explanation:

The Earth's Geological time scale is mostly based on Geological Events and Lifeforms.

The Geological time scale provides a division of events on the earth into several time frames.

Each of the time units are based on events through the Earth's history and evolution of life.

The events are often recorded in rock strata and also as fossils which are the preserved remains of organisms.

3 0
3 years ago
Which is best illustrated by Watson and Crick's ball and stick model of dna
professor190 [17]

Answer:

Here is your Answer.......

Explanation:

The Watson and Crick's ball-and-stick model of DNA best illustrates the role of creativity in scientific discovery

3 0
3 years ago
What is its molecular formula?​
uysha [10]

Answer:

C₆H₈O₆

Explanation:

The molecular formula of given compound is C₆H₈O₆. Because there are six carbon, six oxygen and eight hydrogen atom present in this compound.

The molecular weight of following compound is,

C₆H₈O₆

C = 12 amu

H = 1 amu

O = 16 amu

C₆H₈O₆ = 12×6 + 1×8 + 16×6

C₆H₈O₆ = 72 +8 + 96

C₆H₈O₆ = 176 g/mol

7 0
3 years ago
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