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Ierofanga [76]
3 years ago
8

Which reaction below represents a balanced, single replacement chemical reaction?

Chemistry
2 answers:
kenny6666 [7]3 years ago
7 0
The balanced chemcial equation is B. So to do single, we need to look at where would Li stand on the metals chart (For my class we have a chart to see which element is the highest on the metals chart) . So since Li is higher, F needs to go with Li, leaving Ba alone.

I hope this helps you!
Andru [333]3 years ago
7 0

Answer: Option (C) is the correct answer.

Explanation:

A single replacement reaction is defined as the reaction where an element upon reaction with a compound tends to displace another element in that compound.

For example, Cd + H_{2}SO4 \rightarrow H_{2} + CdSO_{4} is a single replacement reaction.

And, when number of atoms on reactant side equal to the number of atoms on product side then it is known as a balanced chemical reaction.

Thus, we can conclude that Cd + H_{2}SO4 \rightarrow H_{2} + CdSO_{4} represents a balanced, single replacement chemical reaction.

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Gold has a molar mass of 197 g/mol. (a) how many moles of gold are in a 3.98 g sample of pure gold? (b) how many atoms are in th
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A.)49.4974874 moles or 49.5 moles
B.)2.980808730172671e+25 or 3e+25
6 0
3 years ago
2) which statement describes ionic bonding?
garik1379 [7]

Answer

odpowiedzi   d

Explanation

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7 0
3 years ago
Draw the major organic substitution product(s) for (2R,3S)-2-bromo-3-methylpentane reacting with the given nucleophile. Indicate
Ede4ka [16]

Answer:

The final product of the reaction is (<em>2S,3S</em>)-2-ethoxy-3-methylpentane.

Explanation:

The given reaction undergoes S_{N}2  mechanism in which the nucleophile attacks the backside and it is substituted by the elimination of bromine.

Due to the backside attack of nucleophile , the inverse in stereo-chemistry is observed.

After the substitution of ethoxy group, the configuration is assigned according to the priority it shows clock wise direction(R) - configuration.

When hydrogen faces the front side , it results shows inverse configuration i.e, S- configuration.

The chemical reaction is as follows.

 

6 0
3 years ago
How many grams of Sodium will have the same number of atoms as 6 grams of Magnesium?
Ksivusya [100]

Answer:

92gm

Explanation:

Atomic mass of Mg=24g=1 mole of Mg

∴  24g =1 mole of Mg contain 6.022×10^23 atom 

∴  6gm contains 246.022×1023×6

                            =4×6.022×10^23 atoms

Now according to question, there are 6.022×1023 atoms of Na 

23gm of Na contains 6.022×10^23 atoms

∴6.022×4×10^23 atoms of Na weighs 23×6.022×10^23×4/6.022×10^23⇒92gm

3 0
3 years ago
What is another name for a beta minus (B-) particle?
pentagon [3]
<span>electron, I believe.
</span>
6 0
3 years ago
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