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Wittaler [7]
2 years ago
6

To change a solid to a liquid, you need to increase / decrease the amount of heat energy

Chemistry
2 answers:
Kruka [31]2 years ago
8 0

Answer: increases

Explanation:

if you melt ice witch is a solid turs into water and that's a liquid  

nataly862011 [7]2 years ago
7 0
Increase because of the higher the temp
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Which of the following equations are balanced?
Law Incorporation [45]
A: 2H₂ + O₂ → 2H₂O

    H: 4            H:4
    O: 2           O: 2

The equation is balanced.

B. 2S + 3O₂ → 2SO₃

     S: 2             S: 2
     O: 6            O: 6

The equation is balanced.

C. Li + Cl₂ → LiCl

     Li: 1          Li: 1
    Cl: 2          Cl: 1

The equation is not balanced.

    2Li + Cl₂ → 2LiCl

    Li: 2            Li: 2
    Cl: 2           Cl: 2

D: 2K + 2H₂O → H₂ + 2KOH

    K: 2                 K: 2
    H: 4                 H: 4
    O: 2                 O: 2

The equation is balanced.

E: 2Fe + Cu(NO₃)₂ → 2Cu + Fe(NO₃)₂

    Fe: 2                       Fe: 1
    Cu: 1                      Cu: 2
      N: 2                        N: 2
      O: 6                        O: 6

The equation is not balanced.

2Fe + 2Cu(NO₃)₂ → 2Cu + 2Fe(NO₃)₂

Fe: 2                        Fe: 2
Cu: 2                       Cu: 2
  N: 4                         N: 4
  O: 12                       O: 12

The following equations that are balanced are A, B, and D.
6 0
3 years ago
At what temperature does ice melt at 101kPa?
Snezhnost [94]

Answer:

Explanation: I also have a question if anyone can help in chem please

6 0
2 years ago
Write the balanced chemical equation for the combination (synthesis) reaction of magnesium with oxygen gas. phases are optional.
NISA [10]
The answer to this question would be:2 Mg<span> + O</span>2<span> = 2 MgO

Magnesium is a metal that can be oxidized easily. The reaction of magnesium and oxygen can be said as burning the magnesium. The reaction can provide a bright light with violet color. Magnesium used mostly in solid state and the oxygen is gas.</span>
6 0
2 years ago
Why are metals generally good conductors of electric current?
lakkis [162]

Answer:

(Hope this helps can I pls have brainlist (crown)☺️)

Explanation:

Because the atoms in metals form a matrix through which outside electrons may easily travel, metals are good conductors of electricity and heat. They generate a sea of electrons around the positive nuclei of the interacting metal ions, rather than circling their particular atoms.

The free flow of shared electrons can carry an electric current through a metal. Carbon atoms join with iron atoms to create bonds.

8 0
2 years ago
How cations can become neutral atoms?​
Vedmedyk [2.9K]
A neutral atom contains the same number of electrons as protons and that means that the electric charge of the atom is neutral or otherwise known as zero. However, if a particular atom loses an electron, the atom becomes positively charged because there is more protons than electrons.
THIS IS CALLED A CATION.
hope this helps x
3 0
3 years ago
Read 2 more answers
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