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stellarik [79]
3 years ago
15

What is the total charge of a nucleus of a nitrogen atom?

Chemistry
2 answers:
Arturiano [62]3 years ago
8 0
  <span>The charge of every atom is neutral. This is because the positively charged protons are cancelled out by the negatively charged electrons.</span>
Pepsi [2]3 years ago
3 0
<span>Every atom has the same number of electrons as there are protons, thus making every atom neutrally charged. Therefore, there is no charge in a nitrogen atom, or any atom to begin with. The only possibly charged things are ions.</span>
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What is the value of delta Hrxn for this equation:
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Answer:

The ΔHrxn for the above equation = 179 kJ/mol

Explanation:

The reaction bond enthalpies are for the reactant;

3 × N-H = 3 × 390 = 1,170 kJ/mol

2 × O=O = 2 × 502 = 1004 kJ/mol

The reaction bond enthalpies are for the product;

3 × N-O = 3 × 201 = 603 kJ/mol

3 × O-H = 3 × 464 = 1,392 kJ/mol

The ΔHrxn for the above equation is therefore;

ΔHrxn = 1,170 + 1,004 - (603 + 1,392) = 179 kJ/mol

6 0
2 years ago
When studying atoms, scientists can ignore the
vekshin1

When studying atoms, scientists can ignore <u>the Gravitational</u> force between charged particles that make up  the atoms because it is many millions of times smaller than other forces in the atom.

Explanation:

Scientists can ignore the gravitational force because the gravitational force is considered to be negligible as compared to the other forces due to its smaller value.We all know that the gravitational force is directly proportional to the mass of an object which  result in  a small force value.When the value of this small force is compared to the value of the electrical force between protons and electrons in atoms the we can say that the electrical force is million times stronger than the gravitational force

Thus we can say that scientists can ignore <u>the Gravitational</u> force between charged particles that make up  the atoms because it is many millions of times smaller than other forces in the atom.

3 0
3 years ago
Ca(OH)2 + 2 H2SO4 → CaSO4 + 2 H2O
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Answer:

hope this helped

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Explanation:

6 0
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Explanation:

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