1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Hatshy [7]
3 years ago
8

How many moles of hydrogen are in 5.2 moles of c7h18

Chemistry
2 answers:
alexandr1967 [171]3 years ago
6 0
The percentage of hydrogen in C7H18 is calculated as follows:
[18/(12*7+1*8)]*100=18%
The amount of hydrogen in 5.2moles is given by:(18/100)*5.2=0.94moles
alex41 [277]3 years ago
3 0

Answer:

There are 93.6 moles of hydrogen atoms are present in 5.2 moles of C_7H_{18}.

Explanation:

We are given:

Moles of C_7H_{18}= 5.2 mol

By Stoichiometry:

in 1 mole of C_7H_{18} there are 18 moles of hydrogen atom.

So, moles of hydrogen atom in 5.2 mol of C_7H_{18}:

5.2\times 18 mol=93.6 mol

There are 93.6 moles of hydrogen atoms are present in 5.2 moles of C_7H_{18}.

You might be interested in
Which segment represents melting?"<br> Temperature (°C)<br> Time (minutes)
zheka24 [161]
The segment that represents melting is time (minutes) and temperature.
4 0
3 years ago
Are there any plans for controlling or removing zebra mussel
Sav [38]

Answer: no

Explanation:

4 0
3 years ago
PLS HELP
serious [3.7K]

4. True

5. The amplitude of the ripples decreases as the circumference of the circle increases.

<h3>What is a wave?</h3>

A wave is a disturbance that moves energy from one place to another.

Radio waves, gamma-rays, visible light, and all the other parts of the electromagnetic spectrum are electromagnetic radiation. Electromagnetic radiation can be described in terms of a stream of mass-less particles, called photons, each travelling in a wave-like pattern at the speed of light. Hence, the statement is true.

As the disturbance moves outwards the energy it carries is spread over a larger and larger region called the wavefront. For example, the ripples in the water lie in a circle with an ever-increasing circumference. The amplitude of the ripples decreases as the circumference of the circle increases.

Learn more about the Electromagnetic wave here:

brainly.com/question/3101711

#SPJ1

6 0
2 years ago
How can balancing equations support the law of conservation
amm1812

Answer:

detail is given below.

Explanation:

This law was given by French chemist  Antoine Lavoisier in 1789. According to this law mass of reactant and mass of product must be equal, because masses are not created or destroyed in a chemical reaction.

Law of conservation of mass:

According to the law of conservation mass, mass can neither be created nor destroyed in a chemical equation.

For example:

In given photosynthesis reaction:

6CO₂ + 6H₂O  → C₆H₁₂O₆ + 6O₂

The given equation is balanced chemical equation of photosynthesis. There are six carbon atoms, eighteen oxygen atoms and twelve hydrogen atoms on the both side of equation so this reaction followed the law of conservation of mass.

If equation is not balanced,

CO₂ + H₂O  → C₆H₁₂O₆ + O₂

It can not follow the law of conservation of mass because mass is not equal on both side of equation.

4 0
3 years ago
Is this True or false?
kherson [118]

Answer:

true

Explanation:

7 0
3 years ago
Read 2 more answers
Other questions:
  • the concentration of a solute in a solution is greater than the maximum concentration that is predicted from the solute's solubi
    11·2 answers
  • What is it called when energy transfers between objects until they reach the same temperature and their particles move at the sa
    13·2 answers
  • Dalam kajian geografi, cara pandang dan cara pikir terhadap objek material dari sudut geografi disebut objek
    6·1 answer
  • The unique odors and flavors of many fruits are primarily due to small quantities of a certain class of organic compounds. The e
    14·1 answer
  • Fog is an example of solution collide suspension
    14·2 answers
  • Please help quick im on a test and i only got an few mins left
    15·2 answers
  • How does the numbers valence electrons in oxygen compare to the valence electrons in hydrogen?
    5·1 answer
  • Oi oi oi oi ewin <br> .................
    10·1 answer
  • What is neutralization ?
    7·1 answer
  • Compare both images located above. Which of the two is an elastic collision and
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!