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lapo4ka [179]
3 years ago
13

How many molecules are in CH4

Chemistry
1 answer:
Aleonysh [2.5K]3 years ago
6 0

Answer:

The number of molecules in CH4, also known as methane, is merely 0.85 * 6.02210 * 10 ^ 23 (Avogadro's Number). This amounts to <em><u>approximately 5.1 * 10 ^ 23 molecules</u></em><u> with the correct number of significant figures</u>.

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How many significant digits are in 89015
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Answer:

Total 5 significant digits.

Explanation:

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3 years ago
The modern view of an electron orbital in an atom can best be described as
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Answer:

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Explanation:

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7 0
3 years ago
If 100.0g of nitrogen is reacted with 100.0g of hydrogen, what is the excess reactant? What is the limiting reactant? Show your
Drupady [299]

N₂ : limiting reactant

H₂ : excess reactant

<h3>Further explanation</h3>

Given

mass of N₂ = 100 g

mass of H₂ = 100 g

Required

Limiting reactant

Excess reactant

Solution

Reaction

<em>N₂+3H₂⇒2NH₃</em>

mol N₂(MW=28 g/mol) :

\tt mol=\dfrac{mass}{MW}=\dfrac{100}{28}=3.571

mol H₂(MW= 2 g/mol) :

\tt mol=\dfrac{100}{2}=50

A method that can be used to find limiting reactants is to divide the number of moles of known substances by their respective coefficients, and small or exhausted reactans become a limiting reactants

From the equation, mol ratio N₂ : H₂ = 1 : 3, so :

\tt \dfrac{3.571}{1}\div \dfrac{50}{3}=3.571\div 16.6

N₂ becomes a limiting reactant (smaller ratio) and H₂ is the excess reactant

5 0
2 years ago
According to the phase diagram for H20 what happens to the phases of water at 1 atm pressure as the temperature is increased fro
asambeis [7]

Answer:

B

Explanation:

follow the chart starting at the y axis go away from it at the level of 1 till you hit 100

4 0
3 years ago
Read 2 more answers
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