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algol [13]
3 years ago
9

Un hidrocarburo tiene la siguiente composición: 92,3% en carbono y 7,7% en hidrógeno. La masa molecular de este compuesto se enc

ontró experimentalmente igual a 78 u. Determine su fórmula molecular​
Chemistry
1 answer:
Anika [276]3 years ago
5 0

Answer:

i dont speak spanish

Explanation:

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Put the level of organization in order from smallest to largest a. Organelles, cellsorgans, tissuesorgan systems b. Organs, tiss
Lesechka [4]

Answer: My guess is D i hope this is right

Explanation:

8 0
3 years ago
If 28 grams of N reacts completely with 12 grams of H2, then how many
Bogdan [553]

Answer:

Mass of NH₃ produced = 34 g

Explanation:

Given data:

Mass of nitrogen = 28 g

Mass of Hydrogen = 12 g

Mass of NH₃ produced = ?

Solution:

Chemical equation:

N₂ +  3H₂    →   2NH₃

Moles of nitrogen:

Number of moles = mass/molar mass

Number of moles = 28 g/ 28 g/mol

Number of moles = 1 mol

Moles of hydrogen:

Number of moles = mass/molar mass

Number of moles = 12 g/ 2 g/mol

Number of moles = 6 mol

Now we will compare the moles of hydrogen and nitrogen with ammonia.

                            H₂              :               NH₃

                            3                :                2

                            6                :             2/3×6 = 4 mol

                           N₂              :                NH₃

                            1                :                 2

Number of moles of ammonia produced by nitrogen are less thus it will act as limiting reactant.

Mass of ammonia produced:

Mass = number of moles × molar mass

Mass =  2 mol  ×  17 g/mol

Mass = 34 g

                     

5 0
3 years ago
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In multicellular organismscells that become specialized to perform a specific function are called?
Zolol [24]
The cell proliferates to produce many cells that result in multicellar organism.

answer
8 0
2 years ago
How many valence electrons are contained in N, O, and F, respectively? 5, 6, 7 7, 8, 9 3, 2, 1 14, 15, 18
trapecia [35]
Nitogen - 5
Oxygen - 6
Flourine - 7
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3 years ago
What is the smallest unit of a compound like carbon dioxide (CO2), water (H2O), nitrogen dioxide (NO2) that still have all the p
spayn [35]
D


Hope this helps


Mark brainliest please
6 0
3 years ago
Read 2 more answers
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