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3 years ago

Why might electricity and magnetism be effective methods of collecting indirect evidence about atoms?

Chemistry

1 answer:

maks197457 [2]3 years ago

8 0

Answer:

Atoms are composed of electrically charged particles and moving electric charges possess an associated magnetic field.

Explanation:

An atom is made up of electrons arranged in shells. Electrons are negatively charged. These charged particles produce an electric field which can interact with an external electric field to give information about atomic structure.

Similarly, a moving electron produces an associated magnetic field which can couple with an external magnetic field to give information about atomic structure.

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What is the purpose of a switch in an electrical circuit?

dmitriy555 [2]

The purpose of a switch in a series circuit is to make it easy to open or close the electrical circuit, turning the flow of electricity on or off. A light bulb in a series circuit is used to determine whether or not electricity is flowing.

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3 years ago

Read 2 more answers

KOH + HBr - KBr + H2O<br> Which is the acid in this reaction?

Reptile [31]

Answer:

HBr is a strong acid

Explanation:

KBr is a salt which makes a base . also KOH is a base

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3 years ago

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¿Cómo se llama el grupo IIA de la tabla periódica?

Verdich [7]

Answer:

los metales alcalinotérreos: berilio (Be), magnesio (Mg), calcio (Ca), estroncio (Sr), bario (Ba) y radio (Ra).

o simplemente llamado grupo 2A

Explanation:

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3 years ago

Air containing 20.0 mol% water vapor at an initial pressure of 1 atm absolute is cooled in a 1- liter sealed vessel from 200°C t

chubhunter [2.5K]

Answer:

This solution is quite lengthy

Total system = nRT

n was solved to be 0.02575

nH20 = 0.2x0.02575

= 0.00515

Nair = 0.0206

PH20 = 0.19999

Pair = 1-0.19999

= 0.80001

At 15⁰c

Pair = 0.4786atm

I used antoine's equation to get pressure

The pressure = 0.50

2. Moles of water vapor = 0.0007084

Moles of condensed water = 0.0044416

Grams of condensed water = 0.07994

Please refer to attachment. All solution is in there.

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3 years ago

What form of matter is made of only one type of atom

Alex73 [517]

An element is a form of matter that is made of only one type of atom

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3 years ago