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
Marizza181 [45]
3 years ago
15

Why does his teacher ask him to balance the equation by including the correct coefficients? to show that most molecules exist in

pairs to show that most compounds exist in pairs to show that atoms are conserved in chemical reactions to show that atoms are created in chemical reactions
Chemistry
2 answers:
zepelin [54]3 years ago
7 0

Answer: Cecil writes the equation for the reaction of hydrogen and oxygen below.

Explanation: H2 + O2 → H2O    to show that atoms are conserved in chemical reactions

Ne4ueva [31]3 years ago
3 0

Answer:

to show that atoms are conserved in chemical reactions

Explanation:

You might be interested in
Make the following conversion. 120 mL = _____ cm³ <br><br> 12.0<br> 1200<br> 120<br> 1.20
Lina20 [59]
The correct answer would be 120.
4 0
3 years ago
Read 2 more answers
The Ottoman Empire was dissolved following World War I. Which modern nation came out of that empire?
kati45 [8]
The answer would be Turkey
7 0
3 years ago
Read 2 more answers
What mass of zinc (molar mass 65.4 g moll) does it take to produce 0.50 mole of H2(g)?
Hatshy [7]

Answer:

32.7 g of Zn

Explanation:

We'll begin by writing the balanced equation for the reaction. This is illustrated below:

Zn + 2HCl —> ZnCl₂ + H₂

From the balanced equation above,

1 mole of Zn reacted to produce 1 mole of H₂

Next, we shall determine the number of mole of Zn required to produce 0.5 mole of H₂. This can be obtained as follow:

From the balanced equation above,

1 mole of Zn reacted to produce 1 mole of H₂.

Therefore, 0.5 mole of Zn will also react to produce to 0.5 mole of H₂.

Thus, 0.5 mole of Zn is required.

Finally, we shall determine the mass of 0.5 mole of Zn. This can be obtained as follow:

Mole of Zn = 0.5 mole

Molar mass of Zn = 65.4 g/mol

Mass of Zn =?

Mass = mole × molar mass

Mass of Zn = 0.5 × 65.4

Mass of Zn = 32.7 g

Thus, 32.7 g of Zn is required to produce 0.5 mole of H₂.

4 0
2 years ago
What are compounds that react with acids and bases to make certain colors?
finlep [7]
Those would be called indicators , simply google them and you should find many. I'll leave some examples "bromophenol blue"  "Methyl red" and "phenol red".
4 0
3 years ago
Someone help me please
vesna_86 [32]
I am pretty sure its b, Ag atoms and localized electrons in silver
3 0
3 years ago
Other questions:
  • How do evaporation and boiling differ?
    9·2 answers
  • Is a leaf a solid,liquid or gas?​
    8·2 answers
  • elect the correct answer. The elements beryllium, calcium, and strontium are all in group 2. What is the correct relationship of
    12·1 answer
  • Pickles and lemons have a sour taste. what types of substances are in pickles to give them this sour taste
    7·1 answer
  • Which of the following compounds would be named with a name that ends in -yne?
    5·1 answer
  • I really need to pass chem, someone please help me! &lt;3
    11·1 answer
  • What is the independent variable for this experiment?
    14·1 answer
  • Suppose you have a 1:1:1 by weight mixture of three solid compounds, salicylic acid 4-nitroaniline naphthalene. You dissolve 1 g
    8·1 answer
  • Titration of 25.0 mL of an HCl solution of unknown concentration requires 14.8 mL of 0.100 M NaOH. What is the molar concentrati
    8·1 answer
  • I need help!! On the two equations
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!