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
Margarita [4]
3 years ago
5

How do you know a chemical reaction has taken place?

Chemistry
1 answer:
faust18 [17]3 years ago
4 0
Gas formation, precipitate formation, color change, temperature change, or odor

You might be interested in
Which state of matter is this:Particles vibrate and change positions
xeze [42]
Liquiddddddddddddddd
5 0
3 years ago
Read 2 more answers
Which element was first discovered on the sun? hydrogen carbon oxygen helium
EastWind [94]
The element first discovered in the sun is the element Helium. This noble gas is the second most abundant element<span> in the universe and was </span>discovered<span> on the </span>sun<span> before it was discovered on the earth. Helium is the result of the nuclear fusion of hydrogen creating thus the mass of energy in the sun.</span>
3 0
4 years ago
Read 2 more answers
Which is a big idea of physical science?
Ivanshal [37]
Forces and Motion, Space and Time, Energy, and Nature of Matter
4 0
4 years ago
Read 2 more answers
Which of the following is a renewable source of energy?
Pani-rosa [81]

Answer: D

Explanation:

Hydropower

5 0
3 years ago
Which term best describes the circulation of air and water in the atmosphere?
Vlada [557]
The answer is C. convection.
4 0
3 years ago
Other questions:
  • When the reaction
    5·1 answer
  • Which career best fits the group of words below?
    11·2 answers
  • When the final velocity is less than the initial velocity, this is speed time acceleration deceleration
    13·2 answers
  • What is the output matter of a car
    11·1 answer
  • V. = 22.4 L; P= 1 atm;<br> P, = ? atm; V, = 2.8 L
    14·1 answer
  • Please help! USATestprep K12
    5·2 answers
  • Identify the composition of caffeine. C8H10N4O2 *<br> C=?, H=?, N=?, O=?
    9·1 answer
  • Iron sulfide is a compound. It is made by heating a mixture of iron and sulfur.
    15·1 answer
  • Which feature of a balanced chemical equation demonstrates the law of
    11·2 answers
  • atch: Substance ....... Definition fill in the blank 1 Lewis acid A. Provides H in water fill in the blank 2 Bronsted-Lowry base
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!