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Katen [24]
3 years ago
6

Which of the following is not a physical property of a liquid? A. definite mass B. indefinite volume C. not easily compressed D.

indefinite shape
Chemistry
2 answers:
Crank3 years ago
8 0
Liquids have fixed volume but not fixed shape, so B.
zzz [600]3 years ago
7 0

Answer: Option (B) is the correct answer.

Explanation:

In liquids, molecules are held together by less strong intermolecular forces of attraction. As a result, there is some space between each molecule of a liquid.

Hence, the molecules of a liquid are able to slide through each other.

And, due to this a liquid substance does have a definite mass but it does have a definite shape as it occupies the shape of container in which it is kept.

Generally, liquids are not easily compressible as gases can be compressed more easily because molecules of a gas are held by weak vander waal forces.

Thus, we can conclude that indefinite volume is not a physical property of a liquid.

 

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Which elemental clues contain sufficient info to place the element using no other info
zaharov [31]

Atomic number

Explanation:

The atomic number is enough clue that can be used to proper place elements  without any other information. The atomic number is the number of protons in an atom. Protons are positively charged particles in the nucleus of an atom.

  • To place elements on the periodic table, the periodic law which states that "properties of elements are a periodic function of their atomic number" must be obeyed.
  • Using the atomic number, one can determine the number of electrons in a neutral atom, the charges on an ion e.t.c.
  • Atomic number can also be used to write the electronic configuration of an atom be it the shell notation, sublevel notation and the lewis dot structure.

Learn more:

Atomic numbers brainly.com/question/5425825

About atomic numbers brainly.com/question/1379579

Electronic configuration brainly.com/question/549647

#learnwithBrainly

8 0
3 years ago
Gizmo Student exploration feel the heat if a solute has really strong bonds between its particles , would you expect it to form
Troyanec [42]

Answer:

The temperature of the solute/solvent without any external effect would decrease.

Explanation:

As the bonding between the solute particles is really strong, therefore a large amount of energy is required to overcome these forces. So that the new bonding between the solute and solvent is created.

In order to achieve this, there will be a lot of energy required and that is through the heating process. So the solution will require energy so the solute will dissolve fully either by provision of external force i.e stirring or by heating.

4 0
3 years ago
Jake hangs two balloons from a desk so that they are close together but not touching. Jake rubs one balloon with a wool cloth. H
kari74 [83]
The objects that are rubbed together will create charges among themselves due to friction. 
(1) The balloon rubbed with a wool cloth will be charged. 
(2) If she comb near a small, uncharged object nothing will change. 
(3) This is a scientific investigation because it does not involved a step by step process to answer a scientific query. 
3 0
3 years ago
Read 2 more answers
2. When two forces act on an object in opposite directions, you calculate the net
exis [7]

When two forces act on an object in opposite directions, the net  force can be calculated by subtracting the two forces.

<u>Explanation:</u>

  • The net/final force by subtracting the two given opposite forces as asked in the above question.

For example: If you keep a bottle on the table, the downward force subtracted from the upward force will be equal to the net force.

  • If the net force equals zero then the objects will be balanced, otherwise unbalanced.

For example: In the tug of war when two forces are of different units the force with the greater strength will have an advantage, like if the team on the right is stronger than that of left than the rope will move towards the right.

5 0
3 years ago
A student uses a calorimeter to determine the enthalpy of dissolving for ammonium nitrate. The student fills a calorimeter with
ale4655 [162]
Enthalpy change during the dissolution process = m c ΔT,

here, m = total mass = 475 + 125 = 600 g
c = <span>specific heat of water = 4.18 J/g °C
</span>ΔT = 7.8 - 24 = -16.2 oc (negative sign indicates that temp. has decreases)
<span>
Therefore, </span>Enthalpy change during the dissolution = 600 x 4.18 X (-16.2)
                                                                                 = -40630 kJ
(Negative sign indicates that process is endothermic in nature i.e. heat is taken by the system)

Thus, <span>enthalpy of dissolving of the ammonium nitrate is -40630 J/g</span>

7 0
3 years ago
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