What allows a gas to fill a container? A. the shape of the particles in a gas
B. the size of the particles in a gas
C. the constant motion of the particles in a gas

Answers

Answer 1

Answer:

Answer: Option (A) is the correct answer.

Explanation:

It is known that particles of a gas are held by weak Vander waal forces, therefore, there is no force of attraction between gas molecules.

As a result, these particles are in random motion.

Thus, we can conclude that out of the given options, the constant motion of the particles in a gas allows a gas to fill a container.

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If an ice cube melts at 0oC but water also freezes at 0oC, what is the difference between melting and freezing in terms of (a) the energy involved in the phase changes and (b) particles of the substances during the phase changes?

Answers

The energy involved in melting in freezing is heat, At 0 degrees Celsius ice is at an equilibrium where the heat energy absorbed during melting (endothermic) and heat energy dispersed during freezing (exothermic). When ice melts its absorbs heat energy to change states, when water freezes to ice it dispersed heat energy so that the particles can move slow enough to be almost frozen, but still very small vibrations throughout the ice. Particles in the frozen state are packed tightly and help together by a crystal lattice and IMF's, liquid is free flowing with free floating particles that can move freely from one another particle.

Ight I just here’s my first one

Answers

Answer:

Explanation:

Which of the following shows a periodic pattern?A.there are two ducks in one pond.

B.there is meat next to the cheese in the refrigerator

C.a boy waits five minutes to talk to his father

D.the mother takes her medication everyday at seven

Answers

Out of the following choices, the one that shows a periodic pattern is "the mother takes her medication everyday at 7."

Silicon dioxide, SiO2, is a(n) _____

Answers

Answer : Silicon dioxide, $SiO_2$ , is a covalent compound.

Explanation :

Covalent compound : It is a compound in which the bonds are formed by the equal sharing of electrons. The bonds are formed between two non-metals.

Ionic compound : It is a compound in which the bonds are formed by the complete transfer of electrons.

In the silicon dioxide $(SiO_2)$ , the silicon and the oxygen atom is a non-metals and the bonds are formed between silicon and oxygen non-metal atoms are the covalent bonds.

Hence, the silicon dioxide, $SiO_2$ , is a covalent compound.

What is nucleation reaction

Answers

The nucleation reaction called : The physical reaction

I hope that's help !

A solid precipitate is formed from the reaction of lead nitrate and sodium chromate. What would be the best method to separate this solid from the solution?
distillation
evaporation
filtration
sorting