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
FromTheMoon [43]
3 years ago
12

5. The combustion of coal with oxygen forms CO2 and releases 94 kcal of energy.

Chemistry
1 answer:
Sonbull [250]3 years ago
8 0
Ok buddy sorry buddy I just got
You might be interested in
Is a diamond a homogeneous or heterogeneous mixture?
Ivanshal [37]

Answer:

It's a heterogeneous mixture.

Explanation:

Diamond is made of just one element: carbon. Each carbon atom in diamond is connected to four other carbon atoms, in a crystal that extends on and on. There are other forms of pure carbon where the atoms are bonded differently, notably charcoal and graphite.

7 0
3 years ago
Read 2 more answers
In a solution of salt and water which component is the salute A salt B water C speaker D oxygen
Wewaii [24]
Hi thereeeeeeeeeee! salt is ur answer !
8 0
3 years ago
Read 2 more answers
1. Agriculture most likely began
777dan777 [17]

Answer:

Option D - 10,000 years ago in the Middle East

4 0
3 years ago
Enter an abbreviated electron configuration for magnesium: Express your answer in complete form, in order of increasing energy.
stiks02 [169]

Answer:

1s2, 2s2,2p6,3s2

Explanation:

6 0
3 years ago
Read 2 more answers
Which of these is the second weakest of the four fundamental forces?
aniked [119]

Answer:

It gravity

Explanation:

7 0
2 years ago
Read 2 more answers
Other questions:
  • A speed time graph shows that a car moves at 20 m/s for 15s. The car's speed steadily decreases until it comes to a stop at 40s.
    7·1 answer
  • The equation below represents the overall cell reaction for an electrochemical cell that undergoes a spontaneous reaction. Fe(s)
    13·2 answers
  • As a liquid is added to a beaker, the pressure exerted by the liquid on the bottom of the beaker does what
    8·1 answer
  • Using this balanced equation: 2 NaOH + H2SO4 —> H2O + Na2SO4
    7·1 answer
  • In atoms, electrons surround the nucleus in
    13·1 answer
  • What is the name for CH3-CH2-CH2-O-CH2-CH3?
    15·1 answer
  • As current flows through a system, what happens to the voltage available at each load?
    9·1 answer
  • Question 3 of 10
    8·2 answers
  • Large telescopes have revealed information about the motions of stars. They helped scientists realize that most stars and galaxi
    10·1 answer
  • The chemical formula for sodium citrate is Nag Cs H5O7
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!