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2 years ago

What is an aspect of the kinetic-molecular theory and can be used to explain the behavior of plasmas?

1 answer:

4 0

A plasma is a hot ionised gas which has equal number of positively charged particles and negatively charged electrons. Plasma are considered to be the fourth state of matter. Because plasma are made up of charged particles they are affected by both electric and magnetic field. The aspect of the kinetic molecular theory that can be used to explain the behaviour of plasma is that PARTICLES IN MOTION EXCHANGE ENERGY THROUGH ELASTIC COLLISION.

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How many grams of Sodium will have the same number of atoms as 6 grams of Magnesium?

Ksivusya [100]

Answer:

92gm

Explanation:

Atomic mass of Mg=24g=1 mole of Mg

∴ 24g =1 mole of Mg contain 6.022×10^23 atom

∴ 6gm contains 246.022×1023×6

=4×6.022×10^23 atoms

Now according to question, there are 6.022×1023 atoms of Na

23gm of Na contains 6.022×10^23 atoms

∴6.022×4×10^23 atoms of Na weighs 23×6.022×10^23×4/6.022×10^23⇒92gm

3 0

3 years ago

An object has a mass of 18.4g and a volume of 11.2 ml what is the density

DENIUS [597]

Density=mass/volume

Density=18.4g/11.2ml

Density=1.64

Just make sure you include the unit of measurement with your answer.

4 0

3 years ago

Read 2 more answers

Describe all lab equipment which would be required if you wanted to heat a chemical to 1500ºC.

marissa [1.9K]

A very hot but containable and easy or legal container so it doesn't explode , thermometer but advanced so it doesn't burn and gloves maybe oven mitts and if u were doing it at home other safety equipment

7 0

3 years ago

Given these reactions,

Andrej [43]

Answer:

-805.8kJ

Explanation:

8 0

2 years ago

Aldehydes and ketones react reversibly with two equivalents of alcohol in the presence of an acid catalyst to give acetals. Alco

kozerog [31]

Answer:

Aldehyde and ketone both react with alcohols (2 equivalent) in the presence of acid catalyst to give acetals.

Explanation:

Alcohols are poor nucleophiles and so protonation of the carbonyl oxygen used to make the carbonyl carbon a stronger electrophile. Addition of the first equivalent of alcohols gives a hemiacetal,

Addition of the second equivalent of alcohol is accompanied by loss of one molecule water to yield the produce acetal.

6 0

2 years ago