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Sergeu [11.5K]
3 years ago
13

Which word is described by this statement? it is between the outer core and the crust. It is made of solid rock, but is under so

much pressure that is it constantly moving.
Chemistry
2 answers:
SOVA2 [1]3 years ago
5 0

Answer:

Mantle.

Explanation:

The studying of earth crust is very important in knowing how this Earth came to be. And scientists has found out in that process that the earth had four layers which are;

(1). The Outer Crust: the outer crust is where you and I are found. The outer crust supports life of man, animals and plants. The outer crust is also referred to as the Earth's crust.

(2). The mantle: the MANTLE is like a plastic and IT IS FOUND BETWEEN THE OUTER CORE AND THE CRUST.

(3). The outer core: contains liquid metals and has Temperature that ranges between 4000 - 9000° F.

(4). The Inner core: the inner crust unlike the outer crust contains solid metals and it is deeper than the outer crust.

makvit [3.9K]3 years ago
3 0

Answer:

Mantle

Explanation:

The mantle exists between the outer core and the crust

It is accepted that the mantle is not in a steady state, but rather in a state of constant motion.

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How many grams of K2CO3 would you need to put on the spill to neutralize the acid according to the following equation? 2HBr(aq)+
Mkey [24]

Full Question:

A flask containing 420 Ml of 0.450 M HBr was accidentally knocked to the floor.?

How many grams of K2CO3 would you need to put on the spill to neutralize the acid according to the following equation?

2HBr(aq)+K2CO3(aq) ---> 2KBr(aq) + CO1(g) + H2O(l)

Answer:

13.1 g K2CO3 required to neutralize spill

Explanation:

2HBr(aq) + K2CO3(aq) → 2KBr(aq) + CO2(g) + H2O(l)

Number of moles = Volume * Molar Concentration

moles HBr= 0.42L x .45 M= 0.189 moles HBr

From the stoichiometry of the reaction;

1 mole of K2CO3 reacts  with 2 moles of HBr

1 mole = 2 mole

x mole = 0.189

x = 0.189 / 2 = 0.0945 moles

Mass = Number of moles * Molar mass

Mass = 0.0945 * 138.21  = 13.1 g

3 0
3 years ago
Complete the equation determine if there are precipitates write the balanced ionic and net ionic equations. If there is no preci
alukav5142 [94]

You may find bellow the balanced chemical equations.

Explanation:

Molecular equations:

3 Sr(NO₃)₂ (aq) + 2 K₃PO₄ (aq) → Sr₃(PO₄)₂ (s) + 6 KNO₃ (aq)

2 NaOH (aq) + Ni(NO₃)₂ (aq) = Ni(OH)₂ (s) + 2 NaNO₃ (aq)

Ionic equations:

3 Sr²⁺ (aq) + 6 NO₃⁻ (aq) + 6 K⁺ (aq) + 2 PO₄³⁻ (aq) →  Sr₃(PO₄)₂ (s) + 6 K⁺ (aq) + 6 NO₃⁻ (aq)

2 Na⁺ (aq) + 2 OH⁻ (aq) + Ni²⁺ (aq) + 2 NO₃⁻ (aq) = Ni(OH)₂ (s) + 2 Na⁺ (aq) + 2 NO₃⁻ (aq)

To get the net ionic equation we remove the spectator ions:

3 Sr²⁺ (aq) + 2 PO₄³⁻ (aq) →  Sr₃(PO₄)₂ (s)

2 OH⁻ (aq) + Ni²⁺ (aq) = Ni(OH)₂ (s)

Learn more about:

net ionic equations

brainly.com/question/7018960

#learnwithBrainly

4 0
3 years ago
Someone please help!!!!
Blababa [14]
I'm not 100% sure on this one, but I think it's C. 

Sorry, I'm not really good with Chemistry.


Hope this helps :)
8 0
3 years ago
How would you find the mass of an object from its density and volume ?
Lina20 [59]

Answer:

Mass= volume x density

Explanation:

Multiply the density by the volume.

7 0
3 years ago
The hydra is an organism that reproduces by growing another organism from the sie of its tubular body. What type of asexual repr
hichkok12 [17]

Answer:

Explanation:

budding

Figure 13.3 (a) Hydra reproduce asexually through budding: a bud forms on the tubular body of an adult hydra, develops a mouth and tentacles, and then detaches from its parent. The new hydra is fully developed and will find its own location for attachment.

8 0
3 years ago
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