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MakcuM [25]
3 years ago
8

Do you guys have viruses wit this website

Chemistry
2 answers:
inn [45]3 years ago
6 0
With what website???
IrinaVladis [17]3 years ago
5 0

Answer:

Nah I don't think so.....

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Can you help me please ​
myrzilka [38]

Answer:

A. Non-metal

B. Six

C. 2

D.NA2O

E.Oxygen

Explanation:

Oxygen is the element in the second period (second horizontal row) and Group VI A of the periodic table. These properties apply to oxygen

7 0
2 years ago
A student isolated 25 g of a compound following a procedure that would theoratically yield 81 g. Wht was his percentt yield?
Sati [7]

<u>Answer:</u> The percent yield of the compound is 30.86 %.

<u>Explanation:</u>

To calculate the percentage yield of a compound, we use the equation:

\%\text{ yield}=\frac{\text{Experimental yield}}{\text{Theoretical yield}}\times 100

Experimental yield of compound = 25 g

Theoretical yield of compound = 81 g

Putting values in above equation, we get:

\%\text{ yield of compound}=\frac{25g}{81g}\times 100\\\\\% \text{yield of compound}=30.86\%

Hence, the percent yield of the compound is 30.86 %.

3 0
4 years ago
How many liters of a 2.0 M solution of HCl do you need to have 8.0 moles of HCI?
kakasveta [241]

Answer:

1M HCl: add 1mol/12M = 83 ml conc. HCl to 1L of water or 8.3ml to 100ml.

2M HCl: add 2mol/12M = 167 ml conc. HCl to 1L of water or 16.7ml to 100ml.

4 0
3 years ago
What is another name for a Grasshopper?
Alchen [17]

Answer:

The scientific name of the grasshopper is Caelifera.

Explanation:

hope this helps.

3 0
3 years ago
Read 2 more answers
In nucleophilic acyl substitution: Group of answer choices: A. an SN2 reaction occurs. B. protonation of the carbonyl is followe
adell [148]

Answer:

The correct option is option E

Addition to the carbonyl by a nucleophile is followed by loss of the leaving group.

Explanation:

Substitution reaction that involves nucleophile and acyl group is called nucleophilic acyl substitution reaction.

Generally alcohol, amine or enolate group act as nuceophile. The nucleophile displaces the acyl group of acyl haide, anhydride or ester.

Mechanism of acyl substitution reaction

First step is the addition of nucleophile to the carbonyl carbon results in the formation of a tetrahedral derivatives.

Second step is the removal of leaving group

Hence, the correct option is option E

5 0
3 years ago
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