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3 years ago

Which fundamental force is primarily responsible for the attraction between protons and electrons?

1 answer:

7 0

The electromagnetic force is responsible for the electrostatic attraction and repulsion between charged particles and since the protons have positive charge and electrons have negative charge so the electromagnetic force will be the fundamental force primarily responsible for the attraction between electrons and protons

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The reducing agent in the reaction described in Fe + 2HCl → FeCl2 + H2 is A. H2. B. Fe. C. HCl. D. FeCl2.

Fed [463]

The reducing agent is b). Fe

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3 years ago

Read 2 more answers

What is the balanced net ionic equation including phases for K2SO4 and SrI2

Triss [41]

Answer:

Sr 2+(aq) + SO42-(aq) → SrSO4(s)

Explanation:

Step 1: Write a properly balanced equation with states:

K2SO4(aq) + Srl2(aq) → 2KI(aq) + SrSO4(s)

Step 2: write the full ionic equation with states. Remember to keep molecules intact. Only states (aq) will dissociate, (s) will not dissociate . This means SrSO4 won't dissociate.

2K+(aq) + SO42-(aq) + Sr 2+(aq) + 2I-(aq) → 2K+(aq) + 2I-(aq) + SrSO4(s)

Step 3: Balanced net ionic equation

Sr 2+(aq) + SO42-(aq) → SrSO4(s)

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3 years ago

Which of the following is an example of a model? PV=nRT, Geographical map, I believe that aliens exist, all of the above.

aleksandrvk [35]

Answer: The correct answer is geographical map.

Explanation:

Model is defined as the three dimensional representation of a proposed structure in a smaller scale.

For the given options:

Option 1: PV = nRT

This is a proposed law. This law is known as ideal gas law. A law is defined as the rule which defined a correct procedure. For any gas behaving ideally, this law is used.

Option 2: Geographical map

Map is defined as the diagrammatic representation of an area of land or sea which also shows physical features, roads, cities etc..

A 3-D model can be prepared for geographical map.

Option 3: I believe that aliens exist

This is a hypothetical statement. It is a smart guess by the means of set of assumptions and observations. For its validation, we need to conduct some experiments.

Hence, the correct answer is geographical map.

3 0

3 years ago

Read 2 more answers

How do I calculate the sum of 6.078 g and 0.3329 g ?

Vesnalui [34]

The answer is 6.4109 grams

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3 years ago

In this model of a molecule of ammonia, NH3, how many covalent bonds are represented?

Verdich [7]

I think the answer is three but i can't be sure.

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3 years ago