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
MakcuM [25]
3 years ago
11

Four flasks are prepared, each containing 100mL of aqueous solutions of equal concentration. Which solution has the lowest freez

ing point? Explain your answer.
Chemistry
1 answer:
Jet001 [13]3 years ago
6 0
The freezing point depression is a colligative property which means that it is proportional to the number of particles dissolved.

The number of particles dissolved depends on the dissociation constant of the solutes, when theyt are ionic substances.

If you have equal concentrations of two solutions on of which is of a ionic compound and the other not, then the ionic soluton will contain more particles (ions) and so its freezing point will decrease more (will be lower at end).   

In this way you can compare the freezing points of solutions of KCl, Ch3OH, Ba(OH)2, and CH3COOH, which have the same concentration.

As I explained the solution that produces more ions will exhibit the greates depression of the freezing point, leading to the lowest freezing point.

In this case, Ba(OH)2 will produce 3 iones, while KCl will produce 2, CH3OH will not dissociate into ions, and CH3COOH will have a low dissociation constant.

Answer: Then, you can predict that Ba(OH)2 solution has the lowest freezing point.
You might be interested in
A client with a long history of cigarette smoking and poorly controlled hypertension is
MaRussiya [10]

Answer:

It may be a hemorrhagic stroke because of the patient's history.

Explanation:

Uncontrolled hypertension could generate a hemorrhagic stroke within the brain generating the sign of progressive dementia, this is due to the vessel breaking due to the excess pressure of the internal light, it breaks and releases or extravases all the bloody contents to the brain

The difficulty of this is that the brain is the one that yields to a force in relation to the skull, that is why it is compressible against hemorrhage generating these signs as progressive dementia and could even be death or vegetative state

3 0
4 years ago
Surrounding
umka2103 [35]

Based on the data given in this question, the statement that shows a correct interpretation of the chemical reactions is as follows: reaction A was exothermic and reaction B was endothermic.

<h3>What are endothermic and exothermic reactions?</h3>

Endothermic reaction is a chemical reaction that absorbs heat energy from its surroundings while exothermic reaction is a reaction that releases energy in the form of heat.

Endothermic reactions leave their surroundings cooler while exothermic reactions leave their surroundings hotter.

According to this question, the initial and final temperatures of two reactions are given as follows:

  • Reaction A: 25.1°C and 30.2°C
  • Reaction B: 25.1°C and 20.0°C

From the above data, reaction A was exothermic because it increased the surrounding temperature and reaction B was endothermic because it reduced the surrounding's temperature.

Learn more about endothermic and exothermic at: brainly.com/question/23184814

#SPJ1

4 0
3 years ago
Chloroform has a density of 1.5 g/ml. What the mass of 10.0 ml of Chloroform?
8090 [49]

Answer:

The answer is 15 g

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

<h3>mass = Density × volume</h3>

From the question

density of Chloroform = 1.5 g/ml

volume = 10 mL

We have

mass = 1.5 × 10

We have the final answer as

<h3>15 g</h3>

Hope this helps you

8 0
3 years ago
A sound with more vibrations per second sounds higher than a sound with fewer vibrations per second.
Fudgin [204]

Answer:

that is a false sentence

6 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP!!!!!!!!
MaRussiya [10]

Answer:

You need to count all the atoms on each side of the chemical equation. once you know how many of each type of atom you have,you can only change the coefficient. (the numbers in front of the atoms or compounds

7 0
3 years ago
Other questions:
  • Assuming the final solution will be diluted to 1.00 l , how much more hcl should you add to achieve the desired ph? express your
    13·1 answer
  • Select the type of energy involved in each step.
    10·2 answers
  • The positively charged particle of an atom is called a(n)
    7·1 answer
  • Which statement best describes the kinds of questions we can use science to answer?
    6·1 answer
  • PLEAE HELP! I am stuck on this question.
    8·1 answer
  • What happens when you add solids to a container of liquids with various densities?
    9·1 answer
  • Please I would give brainiest to anyone who answers number 2 and 3 for me
    15·1 answer
  • A solution of ammonia NH3(aq) is at equilibrium. How would the equilibrium change if NH4+ were added to the solution?
    8·1 answer
  • Why do birds have hollow bones​
    9·1 answer
  • Use the picture below to answer the question. Comparing Wave A (blue) to Wave B (red), Wave B has a
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!