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Verdich [7]
3 years ago
6

Name the layers of Earth starting at the crust and going in. Describe the composition of each layer.

Chemistry
1 answer:
elena-14-01-66 [18.8K]3 years ago
7 0
The Crust is mostly made up of loose materials.

The Mantle is made of up of a thick solid rock substance.

The Outer Core is made of super heated liquid molten lava.

The Inner Core is believed to be solid ball of mostly iron, and nickel.

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B. Determine the percent composition of each element in NaCl. (1 point) Must show work to
andrey2020 [161]

Answer:

Sodium (Na): (.5 point)

22.99+35.453=58.433.   22.99/58.433=   39%

Chlorine (Cl): (.5 point)

22.99+35.453=58.433.   35.453/58.433= 61%

Explanation:

8 0
2 years ago
Aqueous solutions of ammonium oxalate and lithium acetate react.
Anarel [89]

Answer:

The reaction is a double displacement reaction

Explanation:

Let us consider the reaction equation of the reaction between ammonium oxalate and lithium acetate.

(NH4)2C2O4(aq) +2 CH3COOLi(aq) -------> 2NH4CH3CO2(aq) + Li2C2O4(s)

This is a displacement reaction. A double displacement reaction is a type of reaction in which two reactants exchange their ions to form two new compounds. Double displacement reactions usually lead to the formation of a solid product which is also called a precipitate.

The general form of a Double displacement reaction is of the format:

AB + CD → AD + CB

Where A,B,C and D represents different ions respectively.

A double displacement reaction can also be referred to as salt metathesis reaction, double replacement reaction, exchange reaction, or a double decomposition reaction, although the latter term is more strictly used when one or more of the reactants does not dissolve in the solvent.

3 0
3 years ago
3. Sand mixed with water​
Alekssandra [29.7K]

Answer:

<h3>Sand cannot mixed on water not float on water .</h3>

<h3>When we mix sand and water , No reaction take place . The sand simply settles down at the bottom of the water container . This is why sand is heavier than water and therefore cannot float in water .</h3>

<h2>Hope this helps you ✌️</h2>
7 0
2 years ago
List 4 things that can affect the rate of reaction during a chemical reaction.
laiz [17]

Answer:

Reactant concentration, the physical state of the reactants, and surface area, temperature, and the presence of a catalyst are the four main factors that affect reaction rate.

Explanation:

6 0
3 years ago
Which statement accurately describes how magnetic stripes in ocean rock provide evidence of seafloor spreading?
Naily [24]

Answer:

The third one makes the most sense

7 0
3 years ago
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