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lara [203]
3 years ago
9

What happens when a oceanic crust and a continent crust collide?

Chemistry
1 answer:
zvonat [6]3 years ago
4 0
When an oceanic<span> plate </span>collides<span> with a </span>continental<span> plate. </span>Oceanic crust<span> tends to be denser and thinner than </span>continental crust<span>, so the denser </span>oceanic crust<span> gets bent and pulled under, or subducted, beneath the lighter and thicker </span>continental crust<span>. This </span>forms<span> what is called a subduction zone.

Hope this helps. If you have any other questions feel free to ask :)</span>
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How many moles of glucose molecules?​
muminat

1 molecule of glucose contains 6 atoms of C, 12 atoms of H , and 6 atoms of 0.1 mole of glucose contains 6 moles of C atoms , 12 moles of H atoms , and 6 moles of O atoms .

6 0
3 years ago
Upon adding solid potassium hydroxide pellets to water the following reaction takes place: KOH(s) → KOH(aq) + 43 kJ/mol Answer t
nekit [7.7K]

Answer:

a) Warmer

b) Exothermic

c) -10.71 kJ

Explanation:

The reaction:

KOH(s) → KOH(aq) + 43 kJ/mol

It is an exothermic reaction since the reaction liberates 43 kJ per mol of KOH dissolved.

Hence, the dissolution of potassium hydroxide pellets to water provokes that the beaker gets warmer for being an exothermic reaction.

The enthalpy change for the dissolution of 14 g of KOH is:

n = \frac{m}{M}

<u>Where:</u>

m: is the mass of KOH = 14 g

M: is the molar mass = 56.1056 g/mol

n = \frac{m}{M} = \frac{14 g}{56.1056 g/mol} = 0.249 mol

The enthalpy change is:

\Delta H = -43 \frac{kJ}{mol}*0.249 mol = -10.71 kJ

The minus sign of 43 is because the reaction is exothermic.

I hope it helps you!

5 0
3 years ago
Electronic configuration for Cr, Cu, Cr+2, Cu+2, Mn+2
Zanzabum
Chromium (Cr): 2, 8, 8, 6
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Copper+2 (Cu+2): 2, 8, 8, 9
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8 0
4 years ago
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Answer:

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Explanation:

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This is in compliance with the law of conservation of mass which states that "in a chemical reaction, matter is neither created nor destroyed but converted from one form to another".

In chemical reactions, bonds are broken and new compounds are formed in the process. The same number of species at the start and end of the reaction must still be the same.

3 0
2 years ago
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