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Nady [450]
3 years ago
10

Which of the following describes hetereogeneous mixture... 1)A mixture that is easily separated, the components are different si

xes and unevenly mixed. 2) A mixture that is very difficult to separate, the contents are evenly mixed and the mixture looks like a substance
Chemistry
1 answer:
yan [13]3 years ago
7 0

Answer:

1)A mixture that is easily separated, the components are different sixes and unevenly mixed.

Explanation:

Mixtures are impure substances with usually indefinite composition. Their constituents often retains their identities. They can easily be separated into constituents by physical methods.

Homogenous mixtures have their constituents existing in only one phase.

Heterogeneous mixtures have their constituents existing in at least two different phases.

  • Heterogenous mixtures are easily separated due to the phase differences of its constituents.
  • They are easily separated by physical processes compared to homogeneous mixtures.
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Answer:

(a) Iron is being oxidized.

(d) Sulfur is being reduced.

Explanation:

Let's consider the following redox reaction.

8 Fe(s) + S₈(s) → 8 FeS(s)

Iron is being oxidized according to the following oxidation half-reaction:

Fe(s) → Fe²⁺(s) + 2 e⁻

Sulfur is being reduced according to the following reduction half-reaction:

S₈(s) + 16 e⁻ → 8 S²⁻(s)

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4 years ago
A scientist is creating a new synthetic material. The material’s density is 6.1 g/cm3. Which sentences describe how the scientis
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A and D
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3 years ago
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Using the arrangement of the periodic table, which elements are the most similar to phosphorus in properties?
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Answer:

Nitrogen and Arsenic

Explanation:

Since Phosphorous and Arsenic both are Nitrogen group elements i.e. Group(Va)

6 0
4 years ago
Completion
Snowcat [4.5K]

Answer:

  1. Compress
  2. Fixed
  3. Melts
  4. Melting Point
  5. Freezing Point
  6. High
  7. Crystalline
  8. Lattice
  9. Unit cell
  10. Amorphous solids

Explanation:

Solids tend to be dense and difficult to <u>compress.</u>

They do not  flow or take the shape of their containers, like liquids do, because  the particles in solids vibrate around <u>fixed</u> points.

When a solid  is heated until its particles vibrate so rapidly that they are no longer  held in fixed positions, the solid <u>melts</u>.  

<u>Melting point</u> is the  temperature at which a solid changes to a liquid. The melting and <u>freezing point</u>  of a substance are at the same temperature.

In general,  ionic solids tend to have relatively <u>high</u>  melting points, while  molecular solids tend to have relatively low melting points.

Most  solids are <u>crystalline</u>

The particles are arranged in a pattern known  as a crystal <u>lattice</u>

The smallest subunit of a crystal lattice is the <u>unit cell</u>  

Some solids lack an ordered internal structure   and are called <u>amorphous solids.</u>

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How many moles of water can be produced from the reaction of 28g of C3H8
Montano1993 [528]
2.55 moles H20 will be produced
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