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Lady_Fox [76]
3 years ago
5

H2 + O2 ---> H2O Classifying reaction

Chemistry
2 answers:
Nostrana [21]3 years ago
4 0

h2 + 02 is a oxidation reaction. as the two substances are being combined, O2 is being released as a by-product

Degger [83]3 years ago
3 0

Answer:

hydrogen + oxygen = water

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23) What is the volume of 2.454 x 1024 atoms of nitrogen gas at STP?
earnstyle [38]

Answer:

d) V =  91.3 L

Explanation:

Given data:

Volume of nitrogen = ?

Temperature = standard = 273.15 K

Pressure = standard = 1 atm

Number of atoms of nitrogen = 2.454×10²⁴ atoms

Solution:

First of all we will calculate the number of moles of nitrogen by using Avogadro number.

1 mole = 6.022×10²³ atoms

2.454×10²⁴ atoms × 1 mol / 6.022×10²³ atoms

0.407×10¹ mol

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Volume of nitrogen:

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1 atm × V = 4.07 mol ×0.0821 atm.L /mol.K ×273.15 K

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3 0
3 years ago
What does variable mean in a science project.
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6 0
3 years ago
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