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Artyom0805 [142]
3 years ago
10

A rock is an

Chemistry
2 answers:
Gekata [30.6K]3 years ago
6 0

Answer:

mineral

Explanation:

OLga [1]3 years ago
6 0

Answer:

1. Aggregate

2). Color

3). Mineral

Explanation:

1. A rock is an aggregate of minerals

2. The color of a rock is a result of its minerals composition

3 most rocks contain more than one type of minerals

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Zinc wire is added to an iron(II) nitrate solution.
Advocard [28]

Answer:

Zn(s) + Fe(NO₃)₂(aq) ⇒ Zn(NO₃)₂(aq) + Fe(s)

Explanation:

When metal zinc is added to an iron (II) nitrate solution, we can see the following redox reaction:

Zn(s) + Fe(NO₃)₂(aq) ⇒ Zn(NO₃)₂(aq) + Fe(s)

Zinc is oxidized since its oxidation number increases from 0 to +2.

Iron is reduced since its oxidation number decreases from +2 to 0.

3 0
2 years ago
Can someone plz help me? :(
Maslowich

Answer:

Its C and D I believe

Explanation:

3 0
2 years ago
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What does the formula for water, H2O, tell you about what the molecule is made of ?
Sergeu [11.5K]

Answer:

To find out what water is made of, it helps to look at its chemical formula, which is H2O. This basically tells us that the water molecule is composed of two elements: hydrogen and oxygen or, more precisely, two hydrogen atoms (H2) and one oxygen atom (O). Hydrogen and oxygen are gases at room temperature.

Explanation:

4 0
2 years ago
Which is not a name to describe global winds A) Polar Easterlies B) Prevailing Westerlies C) Trade Winds D) Tropical Northerlies
SVEN [57.7K]
D Tropical northerlies
8 0
3 years ago
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cyclohexanol is burned as a fuel, according to the following equation, how many moles of oxygen are needed to produce 13.7 mol o
lidiya [134]

 The moles  of oxygen  that are needed  to produce 13.7 moles  of  carbon  dioxide  is  21.17  moles  of Oxygen


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

2 C₆H₁₂O  + 17 O₂ → 12 CO₂  +12 H₂O


The moles of O₂  is determined using the mole ratio

that  is for  given equation above   O₂ : Co₂  is 17 :12

therefore the moles of O ₂= 13.7   moles x 17/12 =21.17  moles

3 0
2 years ago
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