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Jlenok [28]
3 years ago
11

What states of matter were present when pure water reached its boiling point

Chemistry
1 answer:
maxonik [38]3 years ago
7 0
I believe it’s evaporation?
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When magnesium ion doesn't give any characteristics colour with the flame test as electronic transisitons do not give out visible light.
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3 years ago
Inside stars in space, the nuclei of hydrogen atoms fuse together to form helium atoms. This represents which form of energy?
mixas84 [53]

Explanation:

When two small nuclei combine together to form a large nuclei then it is known as nuclear fusion.

When nuclei of two hydrogen atoms fuse together then it results in the formation of a helium atom along with the release of lot of energy. This energy is nuclear energy.

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6 0
3 years ago
Read 2 more answers
The volume of 0.05 M H2SO4 is needed to completely neutralise 15ml of 0.1 M NaOH solution is
Feliz [49]
V(NaOH)=15 mL =0.015 L
C(NaOH)=0.1 mol/L
C(H₂SO₄)=0.05 mol/L

2NaOH + H₂SO₄ = Na₂SO₄ + 2H₂O

n(NaOH)=V(NaOH)C(NaOH)=2n(H₂SO₄)
n(H₂SO₄)=V(H₂SO₄)C(H₂SO₄)

V(NaOH)C(NaOH)=2V(H₂SO₄)C(H₂SO₄)

V(H₂SO₄)=V(NaOH)C(NaOH)/{2C(H₂SO₄)}

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5 0
3 years ago
The compound Fe3CI is made of what?
sergeinik [125]

Answer:

nglos324 - fe3c. Iron carbide is an interstitial compound of iron and carbon with the composition Fe- 6.68 wt % Carbon. It is a brittle ceramic material and is produced in carbon steels or cast irons during pseudo-equilibrium cooling from above the eutectoid temperature (723 C).

Explanation:

4 0
3 years ago
When water freezes,it contracts true or false
Zigmanuir [339]
The correct answer is:  False.
_______________________________________________________
Water expands (gets larger/ is less dense in solid form than in liquid form) when it freezes).
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6 0
3 years ago
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