Compare the speed and space of atoms in a solid, liquid and gas.

Answers

Answer 1

Answer:

Answer:

Decrease order of speed of atoms in solid state, liquid state and gaseous states: gas > liquid> solid

Decreasing order of space of atoms in solid state, liquid state and gaseous states: gas > liquid> solid

Explanation:

Solid state : In this state, the particles are closely packed and does not have any space between them. They have least kinetic energy due to restricted movement. This state has a definite shape and volume.

Liquid state : In this state, particles are present in random and irregular pattern. The particles are closely arranged but they can move from one place to another and thus have higher kinetic energy as compared to solids. This state has a definite volume but does not have a fixed shape.

Gaseous state : In this state, particles are loosely arranged and have a lot of space between them. They have highest kinetic energy. This state has indefinite volume as well as shape.

Decrease order of speed of atoms in solid state, liquid state and gaseous states: gas > liquid> solid

Decreasing order of space of atoms in solid state, liquid state and gaseous states: gas > liquid> solid

Answer 2

Answer: Atoms in a solid stay closely together and form this sort of structure in their atoms , a liquids atoms are slightly spread apart and move around more freely than the solid atoms , gas atoms move as far away as possible from each other ( moving around a lot )

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Given the equation: 2Na + 2H2O → 2NaOH + H2 Which substance in this equation is a binary compound?

Answers

Answer: In the following equation, $H_2O$ is considered as a binary compound.

Explanation: A binary compound is considered as a compound having 2 elements only. In the following chemical equation:

$2Na+2H_2O\rightarrow 2NaOH+H_2$

There are 2 compounds present because compound is defined as the chemical combination of two or more elements in a fixed ratio.

In the equation, compounds are: $H_2O$ and $NaOH$

$H_2O$ consists of 2 elements which are hydrogen and oxygen and hence is considered as a binary compound.

$NaOH$ consists of 3 elements which are sodium, hydrogen and oxygen and hence, cannot be considered as a binary compound.

What is a spelling bee

Answers

Answer: a contest in which you are eliminated if you fail to spell a word correctly.

a contest where you attempt to spell a series of words that you are given by the judges

Which pair below describes isotopes of the same element? A) an atom with 6 protons and 8 neutrons - an atom with 8 protons and 6 neutrons
B) an atom with 6 protons and 6 neutrons - an atom with 6 protons and 7 neutrons
C) an atom with 8 protons and 8 neutrons - an atom with 7 protons and 8 neutrons
D) an atom with 7 protons and 6 neutrons - an atom with 6 protons and 6 neutrons

Answers

Answer: The correct answer is Option B.

Explanation:

Isotope is defined as the chemical specie which belong to the same element but differ in their molecular mass.

The isotopes have same atomic mass but differ in their mass numbers

Atomic number is defined as the number of protons or electrons that are present in a neutral atom.

Atomic number = number of protons = number of electrons

Mass number is defined as the sum of number of protons and neutrons that are present in an atom.

Mass number = Number of protons + Number of neutrons

Thus, isotopes of an element has same number of protons but they differ in the number of neutrons.

For Example: Chlorine has 2 isotopes, $_(17)^(35)\textrm{Cl}\text{ and }_(17)^(37)\textrm{Cl}$

In $_(17)^(35)\textrm{Cl}$ isotope:

Number of protons = 17

Number of neutrons = 35 - 17 = 18

In $_(17)^(37)\textrm{Cl}$ isotope:

Number of protons = 17

Number of neutrons = 37 - 17 = 20

Hence, the correct answer is Option B.

B because isotopes have the same number of protons but a different number of neutrons

At which temperature and pressure would a sample of helium behave most like an ideal gas?1
75 K and 500 kPa
2
150. Kand 500 kPa
3
300. Kand 50 kPa
4
600. K and 50 kPa
Submit Answer

Answers

600k as well as 50kPa since the pressure seems to be the lowest as well as the temperature is the greatest throughout this situation.

Under high temperatures and low pressures, actual gases behaved like ideal gases. such as the rule

$PV=nRT$

Even though at high temperatures, the kinetic energy of such gas particles surpasses the intermolecular attractive forces, — in other words this same potential energy of something like the molecules (gaseous).

Thus the above answer i.e., "option 4" is right.

Learn more:

brainly.com/question/1371338

Answer: 600K and 50kPa

Explanation:

Which correctly defines a basic solution?a. [H+] is not present.
b. [H+] is equal to [OH−].
c. [H+] is less than [OH−].
d. [H+] is greater than [OH−].

Answers

C. A basic solution is defined as a solution which has more hydroxide (OH-) ions than hydronium ions (H+)

H+ is less than OH- .

You are on an alien planet where the names for substances and the units of measures are very unfamiliar. Nonetheless, you obtain 69 quibs of a substance called skvarnick. You can trade this Skvarnick for gold coins, but the vendors all measure skvarnick units of sleps; not quibs. 9 sleps is equal to 6 quibs. If you have 14 quibs of skvarnick, how many sleps do you have? Round your answer to the nearest tenth (one decimal place). Type only the number; not the number and unit.

Answers

Answer: 21 sleps

Explanation:

Given information: The substance skvarnick can be traded for gold coins in units of sleps and not quibs. Thus we need to convert the units of quibs to sleps.

It is given that 9 sleps is eqaul to 6 quibs, 14 quibs = ____ sleps.

$6\text{ quibs} = 9\text{ sleps}$

$14\text{ quibs} = (9)/(6)* {14}\text{ sleps}$

$=21\text{ sleps}$

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Complete the first row in the table by filling in the missing information about a system at equilibrium.A:Q < KeqQ > KeqQ = Keq