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grandymaker [24]
3 years ago
13

This answer please :))

Chemistry
1 answer:
r-ruslan [8.4K]3 years ago
4 0

Answer: ya this one

Explanation: this is the one

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zlopas [31]

Answer A: Connect a wire coil to an ammeter. Move a bar magnet into and out of the wire coil as you observe the ammeter.

6 0
2 years ago
The reaction 2NO(g)+Cl2(g)→2NOCl(g) is carried out in a closed vessel. If the partial pressure of NO is decreasing at the rate o
Luba_88 [7]

Answer : The rate of change of the total pressure of the vessel is, 10.5 torr/min.

Explanation : Given,

\frac{d[NO]}{dt} =21 torr/min

The balanced chemical reaction is,

2NO(g)+Cl_2(g)\rightarrow 2NOCl(g)

The rate of disappearance of NO = -\frac{1}{2}\frac{d[NO]}{dt}

The rate of disappearance of Cl_2 = -\frac{d[Cl_2]}{dt}

The rate of formation of NOCl = \frac{1}{2}\frac{d[NOCl]}{dt}

As we know that,

\frac{d[NO]}{dt} =21 torr/min

So,

-\frac{d[Cl_2]}{dt}=-\frac{1}{2}\frac{d[NO]}{dt}

\frac{d[Cl_2]}{dt}=\frac{1}{2}\times 21torr/min=10.5torr/min

And,

\frac{1}{2}\frac{d[NOCl]}{dt}=\frac{1}{2}\frac{d[NO]}

\frac{d[NOCl]}{dt}=\frac{d[NO]}=21torr/min

Now we have to calculate the rate change.

Rate change = Reactant rate - Product rate

Rate change = (21 + 10.5) - 21 = 10.5 torr/min

Therefore, the rate of change of the total pressure of the vessel is, 10.5 torr/min.

8 0
3 years ago
Substance/Specific heat capacity
nikdorinn [45]
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8 0
3 years ago
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Which term names the result of elements joining together? A. compounds B. ions C. protons D. atomic masses
Igoryamba
A.Compounds.
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3 0
3 years ago
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Magnesium oxide is a binary ionic compound. From the formula MgO, how do you know that Mg is the metal?
hammer [34]

Answer:

See below.  

Step-by-step explanation:

<em>Method 1: </em>

You know that oxygen is a <em>non-metal. </em>

If the compound is ionic, the oxygen must be combined with a <em>metal</em>.

The Mg must be a metal.

<em>Method 2:</em>

In the formulas of ionic compounds, the positive ion (usually a metal) is written first.

8 0
3 years ago
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