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Xelga [282]
3 years ago
8

Help pleaseeeeee. dbdb​

Chemistry
1 answer:
maks197457 [2]3 years ago
3 0

Answer:

no way

Explanation:

more free points

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Which polyatomic ion is found in the compound represented by the formula NaHCO3? (1) acetate (3) hydrogen sulfate (2) hydrogen c
Schach [20]
Well....the answer is HCO3....but i don't know what it is said in worded form.

Looking at the names....it is probably Hydrogen Carbonate
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What is the combustibility of calcium?
Alexeev081 [22]

the combustibility of calcium is relitivly high



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Read 2 more answers
324.55 cm - (6104.5 cm²/22.3 cm)
Ganezh [65]

Answer: 50.806 cm is the correct answer.

Explanation: First divide 6104.5 cm^2 by 22.3 cm.

\frac{6104.5cm^2}{22.3cm} = 273.74 cm

*Note: When dividing units, subtract the exponents, and when multiplying units simply add the exponents.

Then continue by subtracting 324.55 cm - 273.74 cm.

This should give you an answer of 50.806 cm.

3 0
2 years ago
Question : The above compound is an ether. Give thestructure
Sphinxa [80]

Answer:

The above compound is an ether. Give thestructure  of the product(s) and indicate the major mechanism of the reaction  (SN1, SN2, E1 or E2). Indicate stereochemistry when necessary.

The mechanism that explains this transformation begins with the protonation of the  ether, which allows the subsequent SN2 attack of the iodide ion. This reaction forms  ethyl iodide and ethanol, which is also converted to ethyl iodide by reaction  with excess HI.

Explanation:

The SN2 reaction (also known as bimolecular nucleophilic substitution or as an attack from the front) is a type of nucleophilic substitution, where a pair of free electrons from a nucleophile attacks an electrophilic center and binds to it, expelling another group called the leaving group. Consequently, the incoming group replaces the outgoing group in one stage. Since the two reactant species are involved in this slow limiting stage of the chemical reaction, this leads to the name bimolecular nucleophilic substitution, or SN2. Among inorganic chemicals, the SN2 reaction is often known as the exchange mechanism.

7 0
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Thin layer chromatography(TLC) works with the principle of separation through adsorption.

It is used in the isolation and extraction of lipids through the following steps:

  • apply the lipid samples spots in the bottom of the plate.
  • also apply sample solution to the marked spot
  • pour the mobile phase into the TLC chamber and use a moist filter paper to cover it. this is done to maintain equal humidity.
  • then place the plate in the TLC chamber and close it with a lid.
  • the plate is immersed into the solvent (mobile phase) for its development. this is done, keeping in mind that the sample spot should be above the solvent.
  • once the sample spots are developed, they are removed and dried.
  • this is later viewed using the UV light chamber to see the isolation of the lipid sample.

Learn more here:

brainly.com/question/3137660

4 0
3 years ago
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