1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Yuri [45]
2 years ago
10

a fraction collected during distillation ethanol-water what is the mass of ethanol that is present in this fraction

Chemistry
1 answer:
AURORKA [14]2 years ago
4 0

Answer:

80 kg

Explanation:

because the liquid with high boiling point is going to be collected the first

You might be interested in
When PCl5 solidifies it forms PCl4+ cations and PCl6– anions. According to valence bond theory,
rewona [7]

Hey there!

No of hybrid orbitals , H = ( V +S - C + A ) / 2

Where H = no . of hybrid orbitals

V = Valence of the central atom = 5

S = No . of single valency atoms = 4

C = No . of cations = 1

A = No . of anions = 0

For PCl4 +

Plug the values we get H = ( 5+4-1+0) / 2

H =  4 ---> sp3 hybridization

sp3 hybrid orbitals are used by phosphorous in the PCl4+ cations

Answer C

Hope that helps!

3 0
4 years ago
HELP ASAP!!! Which two energy transformations are shown in the photo? A. Chemical energy → electromagnetic energy B. Chemical en
diamong [38]

Answer:

Chemical energy _ thermal energy

4 0
3 years ago
Read 2 more answers
What are 5 physical changes in matter
Gennadij [26K]

Answer:

cutting, bending, dissolving, freezing, and boiling

Explanation:

A physical change is a change in one or more physical properties of matter without any change in chemical properties. In other words, matter doesn't change into a different substance in a physical change. Examples of physical change include but are not limited to, from solid to liquid or from liquid to gas are also physical changes.

3 0
3 years ago
If a jar of honey sits for a long time, sugar may crystallize in the jar. Describe two possible causes for the crystallization.
n200080 [17]
Dryness and temperature are the primary reasons but also the type of honey.
3 0
3 years ago
Do ghosts exists ?? ...​
Nesterboy [21]

Answer:

no

Explanation:

it is human imagination about scary things that brought about ghost

5 0
3 years ago
Other questions:
  • Which term describes this reaction? CH3Br(aq) + OH-(aq) -> CH3OH(aq) + Br-(aq) A. addition B. condensation C. elimination D.
    8·2 answers
  • What’s the best answer
    14·1 answer
  • A radioactive element is half disintegrated in 40 minutes. What is the time required for the decay of 75% of the element
    6·1 answer
  • Isopropyl alcohol is mixed with water to produce a 35.0 % (v/v) alcohol solution. How many milliliters of each component are pre
    7·1 answer
  • 23. For the reaction shown, calculate how many moles of each
    10·1 answer
  • Assuming that no equilibria other than dissolution are involved, calculate the concentration of all solute species in each of th
    5·1 answer
  • Choose one region on the world map. How does the climate there differ during El Niño and La Niña?
    6·2 answers
  • Help! I am in a hurry! Will get brainliest if correct!
    5·1 answer
  • Why do you think Earth's plates move on the surface?
    8·2 answers
  • Carbon and oxygen combine to form carbon dioxide. What are the reactants, or what
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!