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3 years ago

Definition of malleable? And example

2 answers:

7 0

Able to be hammered or pressed permanently out of shape without breaking or cracking. An example would be hot metal being shaped.

Marina86 [1]3 years ago

7 0

The definition of malleable is capable of being shaped or changed, whether physically or mentally. An example of malleable is a piece of wood that a hammer can reshape.

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Given the balanced equation representing a reaction: 4Al(s) 3O2(g) → 2Al2O3(s) As the aluminum loses 12 moles of electrons, the

S_A_V [24]

The answer is (2) gains 12 moles of electrons. In every chemical reaction, the electrons will not be destroyed or created, it will only transfer. So the Al loses electrons, the oxygen needs to gain the same amount of electrons.

8 0

3 years ago

I don’t know if it’s that one or not

Sphinxa [80]

Answer:

I think is the last one.

Anthracite – Stage Four

Anthracite, the fourth stage in coal formation, is also known as “hard coal” because it is hard and has a high lustre. It appears to have been formed as a result of combined pressure and high temperature. Anthracite burns with a short flame and little smoke.

3 0

3 years ago

The sugar fructose contains 40.0% C, 6.7% H, and 53.3% O by mass. A solution of 11.7 g of fructose in 325 g of ethanol has a boi

Kruka [31]

The molecular formula of fructose is C₆H₁₂O₆.

<h3>What is the molecular formula of fructose?</h3>

The molecular formula is derived in the following steps:

Step 1. the molality of the solution is determined first

Molality = Change in boiling point/Kb

Molality = (78.59 - 78.35)/1.2 = 0.2 molal

Step 2. Moles of solute is determined.

Moles of solute = molality * mass of solvent (kg)

moles = 0.2 * 0.325 = 0.065

Step 3. Molar mass of fructose = mass/moles

Molar mass of fructose = 11.7/0.065 = 180 g/mol

Step 4: Mole ratio of constituent elements

Carbon = 40% * 180/12 = 6

Hydrogen = 6.7% * 180/1 = 12

Oxygen = 53.3% * 180/16 = 6

Therefore, the molecular formula of fructose is C₆H₁₂O₆.

In conclusion, the molecular formula of fructose is derived from the molality of the solution.

Learn more molality at: brainly.com/question/9149034

#SPJ1

4 0

2 years ago

A 57.9 g sample of glass is cooled by 27.0°C. How much heat does it release?

liberstina [14]

Explanation:

A 57.9 g sample of glass is cooled by 2.70'C how much heat does it release

1560

3 0

3 years ago

Which substance below is resonance stabilized by delocalized pi electrons?

mariarad [96]

If you do not this, I suggest brushing up on delocalization as well as sigma/pi bonds. Benzene is the only one of the 5 with any pi bonds, so this should be a relatively easy question if you are familiar with the concepts. I would search up a detailed (not to detailed though) explanation of both.

8 0

3 years ago