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zavuch27 [327]
3 years ago
8

Which two particles are found in the nucleus of an atom?

Chemistry
2 answers:
choli [55]3 years ago
6 0
Protons and neutrons are found inside the nucleus
matrenka [14]3 years ago
4 0

Explanation:

An atom consists of three sub-atomic particles which are protons, neutrons and electrons.

Protons are positively charged, neutrons have no charge and electrons are negatively charged.

Also, it is known that both protons and neutrons reside inside the nucleus of an atom. On the other hand, electrons revolve around the nucleus of the atom.

Therefore, we can conclude that protons and neutrons are the two particles are found in the nucleus of an atom.

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Does the identity of gas matter when predicting its behavior why or why not?
just olya [345]

Answer: The gas phase is unique among the three states of matter in that there are some simple models we can use to predict the physical behavior of all gases—independent of their identities. We cannot do this for the solid and liquid states. ... Gas particles do not experience any force of attraction or repulsion with each other.

Explanation:

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3 years ago
Какая система называется моделью химия
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I don’t understand, what does that say in english?
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​If a bag of peas weighs 454 grams, how many peas would be in the bag?
OverLord2011 [107]

​In a bag of peas that weighs 454 grams, there are between 1261 and 4540 peas.

The average pea weighs between 0.1 and 0.36 grams.

If we take the lower value (0.1 g/pea), the number of peas in 454 g is:

454 g \times \frac{1pea}{0.1 g} = 4540pea

If we take the higher value (0.36 g/pea), the number of peas in 454 g is:

454 g \times \frac{1pea}{0.36 g} \approx  1261pea

​In a bag of peas that weighs 454 grams, there are between 1261 and 4540 peas.

You can learn more about conversion factors here: brainly.com/question/1844638

6 0
3 years ago
Which equation represents a double replacement reaction?
AveGali [126]

Answer:

C) LiOH + HCl → LiCl + H₂O

General Formulas and Concepts:

<u>Chemistry - Reactions</u>

  • Synthesis Reactions: A + B → AB
  • Decomposition Reactions: AB → A + B
  • Single-Replacement Reactions: A + BC → AB + C
  • Double-Replacement Reactions: AB + CD → AD + BC

Explanation:

<u>Step 1: Define</u>

RxN A:   2Na + 2H₂O → 2NaOH + H₂

RxN B:   CaCO₃ → CaO + CO₂

RxN C:   LiOH + HCl → LiCl + H₂O

RxN D:   CH₄ + 2O₂ → CO₂ + 2H₂O

<u>Step 2: Identify</u>

RxN A:   Single Replacement Reaction

RxN B:   Decomposition Reaction

RxN C:   Double Replacement Reaction

RxN D:   Combustion Reaction

7 0
2 years ago
The density of copper is 8.9 g/cm3.If you have 90.0 grams of copper ,how much volume is your copper occupying
lesya692 [45]
D= m/v
90.0/8.9
V= 10.11235
V= 10 cm3
5 0
3 years ago
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