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shtirl [24]
3 years ago
11

Explain why the reactivity series must be used for single replacement reactions, but not for double replacement.

Chemistry
1 answer:
Anarel [89]3 years ago
4 0

Answer:

Here's what I get  

Explanation:

In a single replacement reaction, one element must displace another element from its compound.

Thus, we must consider the reactivity series, because an element lower down in the series cannot replace one that is above it.

In a double replacement reaction, the cations change partners with the anions. All we need consider are the solubilities of the new cation-anion partners.

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Please show the work :(What is the estimated force applied to the box if the acceleration is .40 m/s2?
lara31 [8.8K]

Answer:

20N

Explanation:

Given parameters:

        Force(N)     Acceleration(m/s²)  

            10                   0.2

           ?                      0.4

Unknown:

The force applied when the acceleration is 0.4m/s²

Solution:

From newton's second law of motion;

 Force = mass x acceleration

 Since we are using the same box, let us find the mass of the box;

      Force  = mass x acceleration

         10 = mass x 0.2

            mass = \frac{10}{0.2}  = 50kg

Now,

 The force in the second instance will be;

      Force  = 50 x 0.4  = 20N

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3 years ago
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ikadub [295]

Answer: i think 250ML

Explanation:

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3 years ago
What’s the reaction type of aqueous magnesium sulfate + aqueous sodium carbonate?
IrinaK [193]

Answer: Double displacement reaction

Explanation:

Double displacement reaction is defined as the reaction where exchange of ions takes place.

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The chemical reaction between aqueous magnesium sulfate and aqueous sodium carbonate is represented as:

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Chlorine atom has 17 electrons and chlorine anion has 18 electrons.

6 0
3 years ago
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d1i1m1o1n [39]

Answer:

direct effect

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8 0
3 years ago
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