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mixer [17]
2 years ago
12

Suppose NiCl2 reacts with NaOH. For each molecule of NiCl2, how many molecules of NaOH are needed

Chemistry
1 answer:
Svetllana [295]2 years ago
5 0

Answer:

2molecules

Explanation:

NiCl2 + 2NaOH -> 2NaCl + Ni(OH)2

the mole ratio is 1:2

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Please help me with this chemistry question. Image attached.
Leya [2.2K]

Answer:

Moles of zinc chloride produced are 0.09942 moles.

Explanation:

Zn+2HCl\rightarrow ZnCl_2+H_2

Mass of zinc used = 6.5 g

Moles of zinc =\frac{6.5 g}{65.38 g/mol}=0.09942 mol

According to reaction, 1 mol of zinc gives 1 mole of zinc chloride,then 0.09942 moles of zinc will give :

\frac{1}{1}\times 0.09942 =0.09942 mol of zinc chloride

Moles of zinc chloride produced are 0.09942 moles.

3 0
3 years ago
Rank the following alkenes in order of increasing stability of the double bond towards addition of HBr:
ASHA 777 [7]

Answer:

2,3-dimethyl-2-butene > 3-methyl-3-hexene > cis-3-hexene > 1-hexene

Explanation:

According to Saytzeff rule, the more highly substituted an alkene is, the more stable it is. Since this is so, 2,3-dimethyl-2-butene will be the most stable of all the alkenes listed because it is the most substituted alkene.

Let us also note that terminal alkenes are the least stable because the pi bonds of the alkenes are least stabilized by alkyl groups. This implies that 1-hexene is the least stable alkene among the listed alkenes.

6 0
3 years ago
In their experiment to form a primitive living cell, Urey and Miller set up various flasks with water vapor and the gases CO2, C
Digiron [165]
The answer is clearly the option <span>A, because in the Urey/Miller experiment, they simulated Earth's early atmosphere and they simulated the lightning as electrodes, to see if single compounds or amino acids would form. Hope this is useful</span>
4 0
3 years ago
Nuclear energy is associated with
maria [59]
Protons and neutrons
6 0
3 years ago
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Ground-state electron configuration for an atom of selenium
scoundrel [369]

Answer:

1s22s22p63s23p64s23d104p4

Explanation:

4 0
4 years ago
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