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miv72 [106K]
3 years ago
15

Lead II chloride + sodium nitrite is what?​

Chemistry
1 answer:
bixtya [17]3 years ago
8 0

Answer:

Sodium Chloride + Lead (II) Nitrite

Explanation:

- It's a double replacement reaction, meaning you you have to switch the first two or last two to form new compunds.

- If you want to balance it, it will be:

    Lead II Chloride + 2(Sodium Nitrite) -> 2(Sodium Chloride) + Lead II Nitrite

Don't write it like this. You should be writing the chemical formulas for each compund

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Explanation:

Hydrogen does not obey the octet rule. Boron does not always

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3 years ago
Explain why the first ionisation energy of krypton is greater then the first ionisation energy of bromine
MrMuchimi

Answer:

Kr has one more electron than br and so, the nuclear charge increase, which means the nuclear attraction between the nucleus and outer most electron will increase and so will be harder to remove the electron from Kr than Br, so Kr has higher 1st ionisation.

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3 years ago
If water is added to a 0.70 molar solution of CuSO4 what will change
lana [24]

Answer:

B. Molarity will decrease

Explanation:

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In essence, adding water to a solution dilutes it i.e it increases the solvent's volume in relation to the solute, causing the molarity to decrease. In a nutshell, diluting a solution (by adding water or more solvent) causes the molarity of such solution to decrease. For example, if water is added to a 0.70 molar solution of CuSO4, the molarity of the solution will DECREASE.

7 0
3 years ago
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