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
shutvik [7]
3 years ago
7

Classify the chemical equations as being balanced or not balanced. CaO + 3C → CaC2 + CO Na + H2O → 2NaOH + H2 4Fe + O2 → 2Fe2O3

2Mg + O2 → 2MgO
Chemistry
1 answer:
jarptica [38.1K]3 years ago
3 0

Answer:

A) Balanced

B) Not Balanced

C) Not Balanced

D) Balanced

You might be interested in
What are the empirical formulas of a) ethylene glycol, a radiator antifreeze, molecular formula C2H6O2 b) peroxodisulfuric acid,
Temka [501]
<h2>The answers are CH_3O and HSO_4</h2>

Explanation:

Given -

a) The molecular formula of ethylene glycol -

    C_2H_6O_2

∴ The empirical formula of ethylene glycol will be -

    CH_3O

Given -

b) The molecular formula of per-oxo-disulfuric acid (a compound used in bleaching agents) -

    H_2S_2O_8

∴ The empirical formula of per-oxo-disulfuric acid will be -

    HSO_4

Hence, the answers are CH_3O and HSO_4.

6 0
3 years ago
Which of these best describes the role of plants in the carbon-oxygen cycle? A. to absorb carbon dioxide from the atmosphere and
IceJOKER [234]

Answer:

A. to absorb carbon dioxide from the atmosphere and use it to make sugar

Explanation:

Green plants with the help of their green coloring pigment called chlorophyll helps to absorb sunlight. This sunlight helps in the process Called photosynthesis in which plants manufacture food (sugar) using CO2(Carbon dioxide)and Water to give Oxygen and Sugar. The oxygen is released back into the atmosphere.

6 0
3 years ago
Read 2 more answers
the normal boiling point of liquid x is less than of y which is less than that of z which of the following is in the correct ord
Leno4ka [110]

XYZ is the answer

mark brainliest if helpful

6 0
3 years ago
Potential (P) energy or kinetic (K) energy
JulsSmile [24]
Potential energy, kinetic energy would be if they were already running
8 0
3 years ago
True or false <br> The sodium atom becomes a sodium ion with a charge of +1
ddd [48]

Answer:

True

Explanation:

The sodium atom does become a sodium ion with a charge of +1.

6 0
2 years ago
Other questions:
  • How does vegetation on river banks affects erosion
    6·1 answer
  • How would you prepare a saturated solution of potassium nitrate?
    9·1 answer
  • Which of the following would react most rapidly?
    5·2 answers
  • Which two compounds are classified as bases by the Brønsted-Lowry definition, but not by the Arrhenius definition, and why?
    15·1 answer
  • Question seven. Please HELP!
    8·1 answer
  • Is aluminum a cation or a anion
    10·1 answer
  • When a drawing of a circle made in the center of a piece of paper with a black marker gets wet, the marker bleeds, and as the wa
    8·1 answer
  • Which of the following best describes a binary compound?
    5·1 answer
  • Lithium Nitride is a ionic bonded compound because?
    12·1 answer
  • Practice question 1 How many moles are in 5.64e25 atoms of iron (Fe)?​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!