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
docker41 [41]
3 years ago
7

For the skeletal chemical equation LaC2(g) + H2O(ℓ) → La(OH)3(s) + C2H2(g) + H2(g) what is the coefficient of C2H2 in the balanc

ed equation?
Chemistry
1 answer:
Ksivusya [100]3 years ago
6 0

Answer:

The answer to your question is 2

Explanation:

1.- Write the equation a check if it is balanced or not

                           LaC₂  +  H₂O  ⇒    La(OH)₃  +   C₂H₂  +  H₂

                                     1     -    La   -   1

                                     2    -     C   -    2

                                     2   -      H   -    7

                                     1    -      O   -    3

2.- The reaction is not balanced so lets do it

                           LaC₂  +  3H₂O  ⇒    La(OH)₃  +   C₂H₂  +  H₂

                                     1     -    La   -   1

                                     2    -     C   -    2

                                     6   -      H   -    7

                                    3    -      O   -    3

                           LaC₂  +  3H₂O  ⇒    La(OH)₃  +   C₂H₂  +  1/2H₂

                                     1     -    La   -   1

                                     2    -     C   -    2

                                     6   -      H   -    6

                                    3    -      O   -    3

                           2LaC₂  +  6H₂O  ⇒    2La(OH)₃  +   2C₂H₂  +  1H₂

                                     2     -    La   -   2

                                     4    -     C   -    4

                                     12   -      H   -    12

                                    6    -      O   -    6

You might be interested in
How dose a tree turn chemical energy into thermal energy?
Artist 52 [7]

The rays of the sun will go directly to the trees, then trees take up light that absorbs light energy which converting light to chemical potential energy kept in chemical bonds. And when the trees cut into woods and burnt it, it will convert to thermal energy.

5 0
3 years ago
Read 2 more answers
To find the density of an object you would use a graduated cylinder to find what characteristic of the object?
ehidna [41]
The answer for this is B
3 0
3 years ago
Help me with some physics/chemistry!
a_sh-v [17]

Answer:

10

32

12

64

3

Explanation:

7 0
3 years ago
True or False <br> the way energy flows through an ecosystem can be shown through a food web
spayn [35]
True energy passes from animal to animal or plant to plant
3 0
4 years ago
Read 2 more answers
Lion 7
Sidana [21]

Answer:

A.

Explanation:

You should NEVER eat or drink anything in a lab area. You never know what chemicals or gases are in the lab, and they can harm you.

Wearing a drawstring hoodie won't protect you from chemicals.

Don't wait to clean up chemicals, immediately get a teacher and clean it up (follow the teachers instructions). You never know what has spilled, and if it is harmful or not, or if there is a certain procedure to clean it up.

Don't change the equipment in the middle of an experiment. This can tamper with your results, and depending on what you are working with, this can be dangerous.

3 0
3 years ago
Other questions:
  • What is the mass of heavy water, D2O(l), produced when 7.60 g of O2(g) reacts with excess D2(g)?
    7·1 answer
  • The density of a 20.3 m ch3oh (methanol) solution is 0.858 g/ml. what is the molality of this solution? h2o is the solvent.
    14·1 answer
  • What organelle of a prokaryotic cell contains genetic information?
    11·1 answer
  • which example would most likely decrease friction? using cleats, rather than gym shoes, on a field using shaving cream, rather t
    15·2 answers
  • What are the five main points of kinetic theory of gas?​
    14·2 answers
  • Please work out all the problems on this page, no links, no i don't knows please do not take advantage of me or my points please
    12·2 answers
  • What is the balanced equation for the production of water?
    10·2 answers
  • NH4+H2O →NH3+H3O<br><br> Which one is acting weaker base?
    10·1 answer
  • Helppp ! Please :’)
    11·1 answer
  • two perfumes A and B were released at the same time and you are standing 7.5metres away from both of them.molarmass of perfume A
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!