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
kkurt [141]
3 years ago
13

Help please 12 point

Chemistry
1 answer:
Artyom0805 [142]3 years ago
7 0
An exothermic reaction is a chemical reaction that releases energy by light or heat. It is the opposite of an endothermic reaction. im sorry i only could do one! but hope this helped!
You might be interested in
What are the 6 elements of wether
Citrus2011 [14]
The six basic elements of weather include temperature, humidity, atmospheric pressure, wind, precipitation, and cloudiness.

~I knew this was asked 5 days ago, but I hope this still helps.








8 0
3 years ago
A forensic scientist reports that a dead woman had high concentrations of a pain-fighting drug in her blood. What type of analys
AlladinOne [14]
C) the scientist made an identification by identifying the amount of drug in her blood and realising it was high
3 0
3 years ago
Read 2 more answers
What kind of non-flowering plant produces seeds instead of spores?
Pie

Answer:

The answer to your question is Ferns

Explanation:

Ferns are called nonflowering plants and produce spores instead of seeds.

6 0
3 years ago
Explain in terms of types of matter why methane can be broken down by chemical means but argon cannot?
Fynjy0 [20]
Argon is a pure element which means that it cannot be broken down further than it already is. Methane, however, is a hydrocarbon, which means it is made out of both hydrogen and carbon and thus can be broken down to separate those elements.
7 0
3 years ago
ammonium nitrate, which is prepared from nitric acid, is used as a nitrogen fertilizer. determine the percent composition of amm
Alina [70]

Answer:

Ammonium nitrate, (NH4NO3), a salt of ammonia and nitric acid, used widely in fertilizers and explosives. The commercial grade contains about 33.5 percent nitrogen, all of which is in forms utilizable by plants; it is the most common nitrogenous component of artificial fertilizers.

5 0
2 years ago
Other questions:
  • Tell why small droplets of water on an oily surface are almost spherical.
    14·1 answer
  • In a stack of undisturbed rock layers, the upper layers are younger than the lower layers. This is also stated as the law of ___
    7·2 answers
  • How does energy usage compare during different seasons of the year
    6·1 answer
  • James took two pea plants, placing one in a dark closet and the other on a sunny window sill. Both are located in air conditione
    9·2 answers
  • A chemist wants to find Kc for the following reaction at 709 K:2NH3(g) + 3 I2 (g) ----> 6HI(g) + N2(g)
    5·1 answer
  • Which describes the correct number and types of atoms in this molecular structure?
    13·1 answer
  • ______________Helps the earth continue to go around the sun
    13·1 answer
  • 1 point<br> How many moles of CO2 are there in 100.0 grams of CO2?
    7·2 answers
  • All the mixture are harmful for us. is this statement true? justify with two examples​
    15·2 answers
  • To make an object start moving, you must exert a force in
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!