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
Gnom [1K]
3 years ago
12

A substance undergoes a change. Which of the following indicates that the change

Chemistry
1 answer:
LekaFEV [45]3 years ago
5 0

Answer:

change of color

Explanation:

when a substance undergoes a change of color it is an indication that it was chemical

You might be interested in
How does e=mc^2 connect to quarks
Jobisdone [24]

Answer:

good bro

Explanation:

5 0
2 years ago
If the half-life of a sample of a radioactive substance is 30 seconds, how much would be left after 60 seconds? A. one-fourth B.
Basile [38]
m=m_{0}*(\frac{1}{2})^{\frac{60}{30}}\\\\
m=m_{0}*(\frac{1}{2})^{2}\\\\
m=\frac{1}{4}m_{0}

If the half-life of a sample of a radioactive substance is 30 seconds, how much would be left after 60 seconds? <span>A. one-fourth</span>
7 0
2 years ago
Read 2 more answers
PLEASE ANSWER I WILL GIVE YOU BRAINIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
blondinia [14]

Answer:

Erosion

Explanation:

Erosion is not a cause of metamorphism

The causes are mostly temperature, pressure, heat from the metamorphic rock

5 0
2 years ago
Read 2 more answers
Select the answer that lists the radiation waves in order of increasing
lubasha [3.4K]
D. microwaves, Ultraviolet, x-rays
3 0
3 years ago
Read 2 more answers
Need help this question QUICK
tino4ka555 [31]
The answer is number 2
4 0
3 years ago
Other questions:
  • The reaction of sodium and chlorine to form salt is best described as an?
    8·1 answer
  • Ammonia (NH3) burns in air to form nitrogen dioxide and water. Calculate grams of nitrogen dioxide produced if 4.0 grams of ammo
    14·1 answer
  • Ethanol is used widely as a solvent in laboratories for various chemical reactions. A laboratory technician takes 50.0 mL of eth
    15·2 answers
  • The formula mass of a molecule or ion is
    6·1 answer
  • For the following reaction, 89.5 grams of iron are allowed to react with 36.9 grams of oxygen gas. iron (s) oxygen (g) iron(III)
    9·1 answer
  • Which element is correctly classified
    13·1 answer
  • Smh why do people always have to use fake profile pictures? Its not like anyone is gonna judge you it isnt facebook its a websit
    6·1 answer
  • Balance the following chemical equation by providing the correct coefficients. CO+H2 ———- H2O+CH4
    9·1 answer
  • What is the electron configuration of a transition metal in block d
    13·1 answer
  • Plsplsplsplsplsplsplsplsplspls help
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!