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Lorico [155]
3 years ago
8

5. The reaction of magnesium oxide with hydrochloric acid carried out in a calorimeter caused the

Chemistry
1 answer:
saul85 [17]3 years ago
5 0

Answer:

kek w

Explanation:

kek w

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Help it’s easy I just don’t get it
dem82 [27]

Answer:

i guess the first option as they have specific properties...and also according to their behaviour

4 0
3 years ago
In the chemical equation Fes - 2HCl → FeCl2 - H2S. there are two FeCl2 molecules
boyakko [2]

Answer:Displacement reaction , as HCl displaces S of FeS to give H2S

Explanation:

7 0
3 years ago
In terms of electrons, what happens when sodium oxide is formed?
Svetach [21]
When metals react with non-metals, electrons<span> are transferred from the metal atoms to the non-metal atoms, </span>forming<span> ions. ... Consider reactions between metals and non-metals, for example, </span>Sodium<span> + chlorine = </span>sodium<span> chloride. </span>Magnesium<span> + oxygen = </span>magnesium oxide<span>.

I hope this answers your question
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3 0
4 years ago
Draw a Lewis structure for thiocyanic acid, HSCN, adding charges and lone electron pairs to the appropriate atoms.
disa [49]

Answer:

See explanation and image attached

Explanation:

Thiocyanic acid is made made up of hydrogen, sulphur, carbon and nitrogen atoms. Carbon is the central atom in the molecule.

The molecule has a total of sixteen valence electrons as shown in the image attached. There are no formal charges in the structure of the molecule as shown.

The molecule is linear in shape.

4 0
3 years ago
9.87X1024 atoms (NH4)3 PO4= how many moles
mote1985 [20]

Answer:

16.4moles

Explanation:

From Avogadro's hypothesis, 1mole of any substance contains 6.02x10^23 atoms.

This clearly indicates that 1mole of (NH4)3PO4 also contains 6.02x10^23 atoms.

Now, if 1mole of (NH4)3PO4 contains 6.02x10^23 atoms,

Then Xmol of (NH4)3PO4 will contain 9.87X10^24 atoms i.e

Xmol of (NH4)3PO4 = 9.87X10^24/6.02x10^23 = 16.4moles

4 0
3 years ago
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