How many moles of Mg(OH)2(aq) would be required to neutralize 6.0 mol HCl(aq)?
1 answer:
Answer:
Explanation:
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In this case, for these types of acid-base neutralizations, it is crucial to firstly set up the chemical reaction taking place between the acid and the base; in this case HCl and Mg(OH)2 respectively, whose products are obtained by switching around the anions and cations as shown below:
Which must be balanced to accurately predict the mole ratio on the reactants side:
Whereas we can see a 2:1 mole ratio of the acid to the base; thus, the moles of Mg(OH) required for the neutralization of 6.0 moles of HCl turn out to be:
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A volcano is caused by a rupture in the crust from which molten magma
escapes
The correct options are;
- B. Two continental plates
- C. Volcanoes
- C. A tsunami in the ocean
- C. The temperature in the mantle is higher than in the crust
- A. Volcanic island arcs
- A. Earthquake
- B. Trench
- C. Subduction
- A. Fault
- C Tsunami
- A. Convergent plate boundary
- See attached drawing (<em>Based on Department of Education Science Module)</em>
- D. a, b and c
- C. Converging oceanic plates
- It is where the oceanic plates subduct under the continental plate
Reasons:
1. Due to the equal densities and buoyancy of the plates, there is no
subduction and the plates rise to form mountain ranges and no volcanoes.
2. The subduction causes the plates to form magma and then volcanoes.
3. Shallow earthquakes that have their epicenter at the fault line in the
ocean generate a tsunami.
4. The mantle lay under each plate and therefore, the high temperatures
of the mantle does not support the fact.
5. Volcanic arcs are formed in the convergence of two oceanic or oceanic
and continental plates.
6. When two continental plates converge, shallow earthquakes occur.
7. A crack called a trench is formed by the interaction of an oceanic crust
and another crust.
8. A subduction occurs when oceanic plates converge.
9. A fault is produced by horizontal plate movement.
10. A Flip or kick upwards of water is known as a tsunami.
11. Subduction occurs during convergence of two plates such that a
subducted plate goes down beneath an overriding plate.
12. The illustration of seafloor spreading consists of two plates moving
away from each other.
<em>Question 12: Based on Department of Education Science Module</em>.
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13. Earthquake occur at places where the plates are moving (including
subducting).
14. Volcanic island arcs are formed by two oceanic plates.
15. At the location where the continents meet the seas, oceanic plates are
subducted under the continental plate, melted to magma in the mantle
from which volcano is formed.
Learn more about volcanoes here:
Answer:
Explanation:
A precipitate of calcium carbonate is formed when an aqueous solution of sodium carbonate reacts with aqueous calcium chloride . Balanced equation of this reaction ,
(↓)
This reaction takes place when both reactants present in aqueous conditions, while calcium chloride precipitate separated from aqueous solution by filtration of an aqueous solution. This filtration of precipitate formed in the reaction left behind the residues aqueous solution .
