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ELEN [110]
2 years ago
9

Based on the Phase Change Graph below, what is the Melting Point for this point substance?

Chemistry
1 answer:
Marina CMI [18]2 years ago
4 0

Answer:

Where is the phase melting graph? Can't seem to find it

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For the following, identify the most likely value for x.a. BHx b. CHx c. NHx d. CH2Clx
vekshin1

Given :

a. BH_x b. CH_x c. NH_x d. CH_2Cl_x .

To Find :

Find the most likely vale of x for each one .

Solution :

a . BH_x

Because boron have valency of 3 .

So , x = 3 .

b . CH_x

Valency of carbon is 4 .

x = 4 .

c . NH_x

Valency of nitrogen is 3 .

Therefore , x = 3 .

d . CH_2Cl_x

Now ,we know valency of carbon is 4 and hydrogen is 1 .

Also , two hydrogen are already there .

So , only 2 electrons left to share .

Since , chlorine have valency of 1 .

Therefore , only 2 electrons of chlorine can connect .

x = 2 .

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3 years ago
What happens when a wire passes through a magnetic field?
Daniel [21]

Answer:

If a coil of wire is placed in a changing magnetic field, a current will be induced in the wire. This current flows because something is producing an electric field that forces the charges around the wire. (It cannot be the magnetic force since the charges are not initially moving).

Explanation:

3 0
3 years ago
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Unknown # 41
Semmy [17]
Answer: Potassium Iodide, KI

Explanation:

Flame test colors:

Li+ = Crimson Red
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K+ = Lilac

Addition of nitric acid and silver nitrate (HNO3 and AgNO3),

Cl- = White precipitate
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I- = Yellow Precipitate

Hope this helps, brainliest would be appreciated :)
3 0
3 years ago
In the reaction 4AI+_O2 2AI2O3, what coefficient should be placed in front of the O2 to balance the reaction?
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Answer: 3

Explanation: I took the k12 quiz

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Will give brainly/ How many stars are in the Solar System?
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Answer:

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the one star is the sun

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3 years ago
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