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Allisa [31]
3 years ago
6

How do I know the point which a solid will turn to a liquid?

Chemistry
2 answers:
oee [108]3 years ago
4 0

There is a special temperature for every substance called the melting point. When a solid reaches the temperature of its melting point, it can become a liquid.  

krek1111 [17]3 years ago
4 0

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

                  Hello!

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

❖ You know the point which a solid will turn to a liquid is when it reaches its melting point.

~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡

~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ

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An electron na hydrogen atom moves from level to level 4 The electron then drops from level 4 to level 2. Which statement
Vsevolod [243]

Answer:

The energy absorbed in the first move is greater than the energy released in the second move.

Explanation:

The greater the level number the greater the energy.

A movement up a level requires energy so energy id absorbed.

Dropping down a level releases energy.

3 0
3 years ago
If the hydrogen ion concentration, (H+), in a solution is 5.39 x 10-8 M,
FrozenT [24]

Answer: 1.86*10^-7M

Explanation:

6 0
2 years ago
Ca(OH)2 (s) precipitates when a 1.0 g sample of CaC2(s) is added to 1.0 L of distilled water at room temperature. If a 0.064 g s
borishaifa [10]

Answer:

Ca(OH)2 will not precipitate because Q<Ksp

Explanation:

Ksp for Ca(OH)2 has already been stated in the question as 8.0 x 10-8mol2dm-6

The value of the reaction quotient depends heavily on the concentration of the reactants. As the initial concentration of the calcium carbide decreases considerably, the reaction quotient decreases until Q<Ksp hence the Ca(OH)2 will not precipitate from solution.

The reaction equation is:

CaC₂(s) + H₂O ⇒ Ca(OH)₂ + C₂H₂

From

Ca(OH)2= Ca2+ + 2OH-

Concentration of solution= 0.064×1/64= 1×10-3

Since [Ca2+] = 1×10-3

[OH-]= (2×10-3)^2= 4×10^-6

Hence Q= 4×10^-9

This is less than the Ksp hence the answer.

4 0
3 years ago
A measurement of 5.685 × 10-6 is equivalent to 0.000 000 568 5.<br><br> True<br> False
Alecsey [184]
The answer is false.
7 0
3 years ago
What are the formulas of the acids: <br>AsO4<br>CIO4 ( l )<br>S ( ll )<br>F ( l )<br>PO4 (lll)​
SVETLANKA909090 [29]
Mg3(AsO4)2
Ca(ClO4)2
[S (II) not sure]
[F (I) not sure]
PO₄³

Sorry I don’t know all of them, good luck though! :)
4 0
3 years ago
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