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horrorfan [7]
3 years ago
5

Diethyl ether is a commonly used solvent for GC analyses because of its low boiling point. In this experiment, why was heptane u

sed as the solvent instead? a. Diethyl ether will react with the alkenes that were formed in the experiment. b. Diethyl ether has a similar boiling point to that of the product. c. Heptane will not evaporate as fast as diethyl ether will. d. Heptane has a lower boiling point than that of diethyl ether.
Chemistry
1 answer:
Natali [406]3 years ago
5 0

Answer:

A. Diethyl ether will react with the alkenes that were formed in the experiment.

Explanation:

Ethers such as diethyl ether dissolve a wide range of polar and nonpolar organic compounds. Nonpolar compounds are generally more soluble in diethyl ether than alcohols because ethers do not have a hydrogen bonding network that must be broken up to dissolve the solute.

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How many g of CO2 can be produced from 256 g Fe2O3?
kotykmax [81]

Answer:

if i consider this reaction

Fe2O3+ 3CO---》2Fe+ 3CO2

so let's calculate first moles of Fe2O3 i.e. = 256/159.69= 1.6 moles

So the one moles of Fe2O3 is forming three moles of CO2

hence 1.6 moles will form 4.8 moles of CO2

one mole of CO2 is 44 g so 4.8 moles of Co2 is 44×4.8= 211.2 g

so the conclusion is 211.2 g of CO2 can be produced from 256 g Fe2O3!!

i d k it's right or wrong but i tried my best :)

7 0
2 years ago
PLEASE HELP FASTTT!!!!
Umnica [9.8K]
I did this when I was younger
4 0
3 years ago
A sample of gas occupies 40.0 mL at -123°C. What volume does the sample occupy at 27°C if the pressure is held constant? V1T2 =
Brums [2.3K]

Answer:

80mL

Explanation:

Step 1:

Data obtained from the question.

Initial Volume (V1) = 40mL

Initial temperature (T1) = –123°C

Final temperature (T2) = 27°C

Final volume (V2) =..?

Step 2:

Conversion of celsius temperature to Kelvin temperature.

T(K) = T(°C) + 273

Initial temperature (T1) = –123°C =

–123°C + 273 = 150K

Final temperature (T2) = 27°C = 27°C + 273 = 300K

Step 3:

Determination of the final volume.

This can be obtained as follow:

V1/T1 = V2/T2

Initial Volume (V1) = 40mL

Initial temperature (T1) = 150K

Final temperature (T2) = 300

Final volume (V2) =..?

V1/T1 = V2 /T2

40/150 = V2 /300

Cross multiply

150 x V2 = 40 x 300

Divide both side by 150

V2 = (40 x 300) /150

V2 = 80mL

Therefore, the new volume of the gas is 80mL

6 0
3 years ago
HELP PLEASE!!!!
Elena-2011 [213]

Answer:

This is not accurate we dont know what your asking us?

Explanation:

4 0
2 years ago
Read 2 more answers
What is the percent composition of hydrogen in water
pshichka [43]

Answer:

11.19% hydrogen and 88.81% oxygen

Explanation:

6 0
3 years ago
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