If the pressure on an ideal gas is increased, what will happen to the volume of the gas?

Answers

Answer 1

Answer: If the pressure on an ideal gas is increased, the volume of the gas will decrease. This can be predicted with the use of the ideal gas equation which is expressed as: PV = nRT. At constant temperature, we can say that pressure and volume are inversely related. Thus, as one value increase, the other decrease.

Answer 2

Answer:

450

Explanation:

edxdded gvt rgt gt tgrtrg

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Protons inside the nucleus of an atom are held together though they have the same charge because?
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Under which conditions of temperature and pressure would a 1-liter sample of a real gas behave most like an ideal gas?(1) 100 K and 0.1 atm (2) 100 K and 10 atm (3) 500 K and 0.1 atm (4) 500 K and 10 atm

How many particles are present in this diagram?

Answers

There are 9 particles

Answer:

9 duh

Explanation:

Which scientist invented a model of the atom that most closely resembles the modern electron cloud model?j.j. Thomson

Niels Bohr

Ernest Rutherford

John Dlaton

Answers

Neil Bohr is the scientist who invented a model of the atom that most closely resembles the modern electron cloud model.

What is an atom?

An atom is defined as the smallest unit of matter which forms an element. Every form of matter whether solid,liquid , gas consists of atoms . Each atom has a nucleus which is composed of protons and neutrons and shells in which the electrons revolve.

The protons are positively charged and neutrons are neutral and hence the nucleus is positively charged. The electrons which revolve around the nucleus are negatively charged and hence the atom as a whole is neutral and stable due to presence of oppositely charged particles.

Atoms of the same element are similar as they have number of sub- atomic particles which on combination do not alter the chemical properties of the substances.

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The scientist that invented a model that shows the electron cloud is Neil Bohr.

Which two physical properties allow a mixture to be separated by chromatography 1) solubility and molecular polarity
2) malleability and thermal conductivity
3) density and specific heat capacity
4) hardness and boiling point

Answers

Chromatography is an important analytical technique used to separate individual components from a mixture using their polarity difference. Thus option 1 is correct.

What is chromatography ?

Chromatographic technique is used to separate components from a mixture using their polarity and solubility in a solvent. There are different kinds of chromatographic techniques such as paper chromatography, column chromatography, ion-exchange chromatography etc.

All the chromatographic techniques uses the common principle that is the differential distribution of components between mobile phase and stationary phase.

A mobile phase is the movable side in the chromatographic column which brings the solutes to the bottom of the column . Stationary column is stationary and thus the solutes which are more adoured to the stationary side will elute last.

The attachment of solutes to the mobile phase or stationary phase is dependant upon their polarity and solubility in the solvent used. Thus, option 1 is correct.

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Answer:

Option-1 (Solubility and Molecular polarity) is the correct answer.

Explanation:

Thin Layer Chromatography is employed to separate a mixture of non volatile compounds. In this technique an adsorbent material like silica gel is coated on a plastic, glass or aluminium sheet. Then the mixture of compounds is applied at the bottom of sheet and the sheet is placed in the container containing a solvent system. It is observed that the solvent starts travelling upward through capillary action.

While the solvent is running the mixture of compounds starts separating from each other. This separation is due to following physical properties.

1) Solubility of Mixture in Solvent:

In a mixture those compounds which has more solubility in solvent will travel more and will give greater Rf value and the less soluble will left behind with smaller Rf value. Hence due to solubility a mixture of compounds can be separated.

2) Polarity of Molecules:

As the stationary phase (adsorbent material) is polar in nature, so in mixture those compounds which are less polar will less interact with the stationary phase and will travel more with greater Rf value, while, more polar molecules will form stronger interactions with the stationary phase, hence will travel less and therefore, will show smaller Rf values.

(50 POINTS AND WILL GIVE BRAINLY!) which actions will help a package of hot chocolate powder to dissolve more quickly? a. heating the water
b. using pure water
c. blowing on the hot water
d. putting the powder and hot water in a mixer