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
brilliants [131]
4 years ago
11

When MgCO3(s) is strongly heated, it produces solid MgO as gaseous CO2 is driven off.

Chemistry
1 answer:
AveGali [126]4 years ago
8 0
MgCO_3--^T-->MgO + CO_2\uparrow

the oxidation number of carbon in MgCO3 = +IV
the oxidation number of carbon in CO2 = +IV

so, there is no change
You might be interested in
Please help!!! Best answer will get brainliest
Effectus [21]
The answer should be metallic
5 0
3 years ago
Read 2 more answers
How many electrons are depicted in the electron dot diagram of an electrically
lisabon 2012 [21]

Answer:

Four

Explanation:

The electron dot diagram of elements or ions depict only the valence electrons. Carbon has atomic number of 6. The first shell has 2 electrons and gets filled. The second shell is filled by the remaining four electrons.The 4 electrons of the valence shell is shown in the electron dot diagram.

7 0
3 years ago
Write the name for the following molecular compounds. Remember to use the correct prefix for each compound.
Westkost [7]

Answer:

Hey there!

CS2) Carbon Disulfide.

PBr3) Phosphorus Tribromide

NO) Nitric Oxide

CF4) Carbon Tetrafluoride

P2O5) Phosphorus Pentoxide

Let me know if this helps :)

3 0
3 years ago
How many atoms are in 0.25 moles of carbon?
garik1379 [7]

Answer:

1.505535375e+23 or if it needs to be simple, 1.5.

Explanation:

Idk hope this helps.

4 0
3 years ago
Write a balanced combustion reaction for C2H2 (acetylene). How did you know which products should be formed? Explain your reason
lesya [120]
Most of the organic compunds burn to give CO2 and H2O

2C2H2 + 5O2 =  4CO2+ 2H2O

:)
8 0
4 years ago
Other questions:
  • Its due this monday
    6·1 answer
  • For elements to have similar physical and chemical properties, what must be true about them?
    8·1 answer
  • What is the mass, in grams, of 1.15 mol of water, H2O?
    11·1 answer
  • Where would you find the following symbol on a diagram of a water molecule: δ+ ?
    8·1 answer
  • How many parts per million of lead is found in 250 ml of water if there is 1.30g of lead in the water? 1ml=1g
    5·1 answer
  • I just need help plz!
    5·1 answer
  • What does the entropy of a reaction describe?
    14·1 answer
  • A student calculates the density of an unknown solid. The mass is 10.04 grams, and the volume is 8.21 cubic centimeters. How man
    9·1 answer
  • Name of the mixture which can be separated by distillation.<br>Please help ​
    8·2 answers
  • Write the formula for the bisulfate ion.
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!