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
Neko [114]
3 years ago
7

What is a chromatogram?please help me out Thank you​

Chemistry
2 answers:
weqwewe [10]3 years ago
7 0

Answer:

Chromatography is a technique used to separate mixture of chemical substances into its individual compounds.

Explanation:

Aleksandr [31]3 years ago
5 0

Answer:

a visible record (such as a series of colored bands, or a graph) showing the result of separation of the components of a mixture by chromatography.

Explanation:

Chromatography is a laboratory technique for the separation of a mixture. The mixture is dissolved in a fluid called the mobile phase, which carries it through a system on which is fixed a material called the stationary phase.

You might be interested in
Your teacher asks you to design an experiment that shows how plants respond to changes in their environment. You have two identi
tia_tia [17]

Answer:

1.  Make observations.

Determine whether the plant grown under the white light bulb or the plant grown under the red light bulb grew better.

Observations are anything we notice which lead to a question in our mind.

2. Ask a question.

Do plants grow as well under a different color of light?

As this is a question being asked, hence it will be the question for the scientific method of research.

3. Test the hypothesis.

Put one plant under a white light bulb, and  place the other plant under a red light bulb.  Measure the growth of the two plants.

To test the hypothesis, experiments are performed. This is the experiment.

4. Analyze the results, and make a conclusion.

Plants grow well under sunlight or a light bulb  with a hot, white light.

After the experiments, the results are compiled and a conclusion is drawn.

5. Test or modify.

If you observe no change, repeat the experiment with different colors of light bulbs. If there is a change, repeat the experiment for one or two more trials to ensure that the color of the light bulb contributes to the change.

If our hypothesis does not come out to be true, then another hypothesis can be generated and tests be done for it.

6 0
3 years ago
Read 2 more answers
The density of ethanol, a colorless liquid that is commonly known as grain alcohol, is 0.798 g/mL Calculate the mass of 205 mL o
katovenus [111]

Answer:

Mass of 205 mL of the liquid is 164 g

Explanation:

We know, density=\frac{mass}{volume}

Here density of liquid is 0.798 g/mL and volume of liquid is 205 mL

So, mass of liquid = density\times volume

                              = (0.798 g/mL)\times (205 mL)

                              = 164 g

hence mass of 205 mL of the liquid is 164 g.

8 0
3 years ago
Match the boxes helppppppp
lesantik [10]

Answer:

?

Explanation:

3 0
2 years ago
What is the number of oxygen atoms in 32grams of the gas​
Lady bird [3.3K]

One mole of oxygen gas, which has the formula O2, has a mass of 32 g and contains 6.02 X 1023 molecules of oxygen but 12.04 X 1023 (2 X 6.02 X 1023) atoms, because each molecule of oxygen contains two oxygen atoms.

7 0
2 years ago
BRAINLIEST, 5 STARS, AND THANKS!!!<br><br>tapos na po ako Dyan katapos kulang ma answer
mezya [45]

Answer:

before

1. Prepare a handy emergency supply kit

2. Know the earthquake hazard in your area

3. Familiarize yourself with the exit routes

During

1. Do the DUCK, COVER AND HOLD.

2. stay away from trees and posts.

3. stay clam

4. Don't enter damaged buildings

After

1. Check yourself and others for injuries

2. Monitor news through radio and Tv.

Hope this will help you.

5 0
2 years ago
Other questions:
  • explain how a metal with one valence electron compares with a metal with more than one valence electron
    8·1 answer
  • Why are nanowhiskers used to repel stains on fabrics??
    5·1 answer
  • Question
    9·1 answer
  • A hypothesis explains what the scientist thinks will happen during the experiment.
    7·1 answer
  • You burn a 15g jellybean to warm 50 mL of water, which increases the temperature of the water 25 °C. How many calories of heat a
    9·2 answers
  • A cube is 4 cm on each side. What is its volume?<br><br> Answer: 64cm^3
    14·1 answer
  • Help PlS AFAP and thank you so much
    13·2 answers
  • Calcutale Grxn for the following equation at 25°C: <br><br> 4KClO3(s) → 3KClO4(s) KCl(s)
    8·1 answer
  • In a titration of 35.00 mL of 0.737 M H2SO4, __________ mL of a 0.827 M KOH solution is required for neutralization.
    6·1 answer
  • Tell me What is an element?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!