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2 years ago

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

Chemistry

1 answer:

Anarel [89]2 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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Answer:

4.2 g

Explanation:

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the MASS of the ring is this times the density

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Who's theory states that atoms are made up of empty space with electrons around a positively charged mass?

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How can you create low pressure in a capped bottle ?

kiruha [24]

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3 years ago

At 35.0°c and 3.00 atm pressure, a gas has a volume of 1.40 l. what pressure does the gas have at 0.00°c and a volume of 0.950 l

Leona [35]

Answer : The pressure of gas will be, 3.918 atm and the combined gas law is used for this problem.

Solution :

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,

$\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}$

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$P_1$ = initial pressure of gas = 3 atm

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$T_2$ = final temperature of gas = $0^oC=273+0=273K$

Now put all the given values in the above equation, we get the final pressure of gas.

$\frac{3atm\times 1.40L}{308K}=\frac{P_2\times 0.950L}{273K}$

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Answer:

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