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3 years ago

Which compound (s) has(have) a molecular ion at 117 and a peak at 1720 cm-1 in its IR spectrum?

Chemistry

1 answer:

LenaWriter [7]3 years ago

3 0

Answer:

Ethyl Acetate with a chemical configuration of : CH3CO2CH2CH3

Explanation:

Ethyl Acetate has a density of 902 kg/m³, molar mass of 88.11 g/mol and posses a boiling point of 77.1 °C.

It is to be understood that ethyl acetate is the ester of ethanol and it is mostly produced in mass production and most especially used in the production of domestic materials especially materials like glue, efostics and dissolving agent. This is a highly toxic and flammable substance. However colorless and possess a sweet smell, it can be highly poisonous when ingested.

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Hypothesis II: Write the equation with Iron (III) Chloride and balance it: Iron + Copper (II) chloride --> Iron (III) chlorid

stich3 [128]

Answer:

Fe + CuCl2 = FeCl2 + Cu

Explanation:

This is already balanced.

5 0

3 years ago

What is the total pressure in a container with 256 mm Hg of Oz, 198 mm Hg of He,

irina1246 [14]

Answer:

P(total pressure) = 504 mmHg = 504mm/760mm/atm = 0.663 atm

Explanation:

Apply Dalton's Law of Partial Pressures.

P(total) = ∑Partial Pressures = ∑(256mm + 198mm + 48mm) = 504 mmHg

P(total pressure) = 504 mmHg = 504mm/760mm/atm = 0.663 atm

7 0

2 years ago

Glass of orange juice contain 0.90 dL of juice. How many milliliters of orange juice is that?

dlinn [17]

.90 dL is 90 mL because 1 dL is 100 mL

6 0

3 years ago

An igneous rock has a coarse texture and is dark in color. How else can this rock be accurately described?

Katen [24]

Answer:

produced from magma

Explanation:

it is formed when the rock cools from being magma or lava

5 0

3 years ago

What is the correct answer?

Dominik [7]

Answer:

Bleach and seawater are identified wrong.

Explanation:

Acids have an pH that is lower than 7 and bases have a pH of higher than 7 and (pH 7 is neutral)

We can observe from the table that bleach has a pH of 13 which is higher than 7 and shows basic characteristics

As for seawater the table shows it has a pH of 8 which is also a base. Therefore the answer is 3rd option "Bleach and seawater should be identified as bases".

8 0

3 years ago