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
Inessa05 [86]
3 years ago
8

All of the following are evidence that a chemical reaction has occurred except ______.

Chemistry
1 answer:
White raven [17]3 years ago
6 0
D. all of the above are evidence of a chemical reaction
You might be interested in
Do you think the tectonic plates are still moving today?why?
jek_recluse [69]
Yes, The tectonic plates are always moving and interacting today. The continents are still moving today. Because sometimes of the most dynamic sites of tectonic activity are seafloor spreading zones and giant rift valleys.
3 0
2 years ago
How did Mendeleev arrange the known elements?
Agata [3.3K]
In order of relative atomic mass.
4 0
3 years ago
Read 2 more answers
If you gently shake a carbon dioxide fire extinguisher, you will feel the presence of liquid within the extinguisher What condit
scoundrel [369]

When we wish to convert a gas to liquid we have to either

a) decrease temperature

b) increase pressure

In case of fire extinguisher the CO2 is found to be in liquid state, this is as the CO2 is pressurized at high pressure which keeps CO2 in liquid state

the ideal pressure and temperature conditions when CO2 gas can be converted to CO2 gas

Pressure = 5 - 73 atm

Temperature = -57  to 31 degree Celsius


6 0
3 years ago
If you have significant concerns about a child's development, you should A. sensitively present your concerns to the family and
Veronika [31]
I think its answer choice A because it would better to talk to their parents first and not take matters into your own hands.

6 0
3 years ago
Read 2 more answers
Question 4 4. Rubber, oxygen and paper are all made up of A. atoms B. chlorine C. carbon D. animal cells Question 5​
777dan777 [17]
A. atoms because they are all matter and matter is made up of atoms
8 0
3 years ago
Other questions:
  • Consider the biochemical pathway: A + E1 –> B + E2 –> C (Note that A, B, and C are molecules in the pathway, E1 is enzyme
    12·1 answer
  • The ___________ energy in a mechanical system is determined by adding the potential and kinetic energy together
    7·2 answers
  • Can a white tiger and an orange tiger can be brother and sister?
    12·1 answer
  • The temperature of 15.71 grams of gold rises from 32°C to 1,064°C, and then the gold melts completely. If gold’s specific heat i
    10·1 answer
  • Which of the following is a possible definition of a base?
    8·1 answer
  • PLS HELP ME WILL GIVE BRAIN THINGYYYYY
    6·1 answer
  • Ms. Fremont spent last weekend grading tests . If she spent 4 min on each test , how many hours did it take her to grade all 74
    8·1 answer
  • write a net ionic equation for the reaction that occurs when aqueous solutions of perchloric acid and potassium hydroxide are co
    8·1 answer
  • What is called exothermic ​
    12·1 answer
  • Hydrazine (N2H4), a rocket fuel , reacts with oxygen to form nitrogen gas and water vapor. The reaction is represented with the
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!