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
Otrada [13]
3 years ago
5

Absalon adds 1 g of salt to 1 L of room temperature water (25 °C). Then, he starts a timer and observes what happens. He notices

that it takes 1 minute for the salt to dissolve. He decides to repeat his experiment, and he adds 1 g of salt to another 1 L of room temperature water (25 °C). After he adds the salt, he starts a timer. But, instead of watching the salt dissolve, he stirs the salt and water with a spoon until it dissolves. He notices that it only takes 30 seconds for the salt to dissolve in his second experiment.
Why does the salt dissolve faster in Absalon's second experiment?


Stirring the salt and water increases the polarity of the water molecules, which causes the ionic bonds of the salt to break.

Stirring the salt and water increases particle motion, which causes more collisions to occur between the water and salt.

Stirring the salt and water increases the surface area of the water, which causes more collisions to occur between the water and salt.

Stirring the salt and water increases the pressure on the solution, which causes the ionic bonds of the salt to break.
Chemistry
2 answers:
igor_vitrenko [27]3 years ago
7 0

Answer: Option (b) is the correct answer.

Explanation:

When Absalon stirred the solution which is containing salt in water then there will occur disturbance into solution due to stirring.

As a result, particles will come in motion and hence, they tend to gain more kinetic energy. Due to which there will be more number of collisions between the solute (salt) and solvent (water) particles.

Hence, rate of reaction will increase and because of this salt will readily dissolve into water.

Thus, we can conclude that the salt dissolve faster in Absalon's second experiment because stirring the salt and water increases particle motion, which causes more collisions to occur between the water and salt.

lana [24]3 years ago
6 0

Answer:

B

Explanation:

I looked it up and found the answer lol

You might be interested in
Unknown # 41
sveta [45]

Answer:

KI

Explanation:

From the question, we can see that a qualitative analysis of the compound shows that it has a lilac flame colour. The lilac flame colour corresponds to the potassium ion (K^+).

Again, the test of addition of HNO3(aq) and AgNO3(aq) to a solution is a test for halogens. If the result is a green precipitate, then the ion present is the iodide ion (I^-).

Hence, the compound must be KI.

4 0
2 years ago
Which of the following measurements is equal to 23 dL?
77julia77 [94]
2300 dL = 230 L 
<span>23 L = 23 L </span>
<span>230 cL = 2.3 L </span>
<span>230000 mL = 230 L </span>
<span>2300000 nL = 0.0023 L </span>
8 0
3 years ago
Which hybrid orbitals overlap to form the sigma bonds between the indicated atoms in xanthine?
amid [387]

Answer:

C.) Csp² - Nsp³

Explanation:

Because the carbon has only 3 unique bonds, the conformation of the carbon should be Csp² (s + p + p). While the nitrogen also has only 3 bonds, making up 3 orbitals, it also has a lone pair of electrons. These electrons also take up one orbital. Therefore, the conformation of nitrogen is Nsp³ (s + p + p + p).

8 0
2 years ago
Why is aluminum a substance
Alik [6]
Aluminum is a substance because it is a metal on the periodic table.It is also known to be a pure substance because it can't be broken down more than it already is. I would definitely check that answer though. XD ~JOLLY~
<span />
8 0
2 years ago
All of the following are major pollutants of ground water except
Bogdan [553]

All the following are major pollutants of ground water except CHLORINE FROM DRINKING WATER.

Ground water refers to the water source underneath the earth surface. This water source is very important to humans and plants and it is used for various purposes. The ground water source can be contaminated by pollutants such as fertilizers, pesticides, chemicals, radioactive wastes, etc.

Chlorine from drinking water can not contaminate ground water source, this is because, the amount of chlorine added to drinking water is very small and quite safe for human consumption. Apart from this, the chlorine usually dissipate from water few hours after its addition. Thus chlorine from drinking water does not pollute ground water sources.

6 0
3 years ago
Other questions:
  • Why is the electronegativity of an element important?
    10·2 answers
  • What is another name for a homogeneous mixture
    14·2 answers
  • What type of reaction is created by starting a fire by igniting gasoline?
    15·2 answers
  • I beg you please please I beg you help me please I’m litterly crying please :(
    6·1 answer
  • Please help urgently with question 3!!!
    5·1 answer
  • A reaction is expected to produce 28.3 moles of hydrogen gas. If the hydrogen is collected at 297 K and 1.08 atm, what is the vo
    10·2 answers
  • air hockey is a game that you play on the specially-designed table each player tries to slide a pug cross the table into a go us
    10·1 answer
  • A 0.500-g sample containing Na2CO3 plus inert matter is analyzed by adding 50.0 mL of 0.100 M HCl, a slight excess, boiling to r
    5·1 answer
  • Water can take on three forms which include ice, water, and water vapor. Which states of matter match these three forms of water
    14·2 answers
  • The molarity of a solution that contains 8.0 g of NaOH in a liter of solution is
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!