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
BigorU [14]
3 years ago
14

List 2 everyday situations in which it would be useful to identify unknown substances.

Chemistry
1 answer:
charle [14.2K]3 years ago
7 0
TESTS USED- 
Spectroscopic method is used to determine unknown substances found in wildlife waters.

IMPORTANCE-
<span>To control the quality of fish.

</span>TESTS USED -
Blood or urine tests are used for analysis
Gas chromatography is the most common method of chemical analysis


IMPORTANCE -
<span>to avoid cheating in sports</span>
You might be interested in
Hii pls help me to balance the equation thanksss​
tiny-mole [99]

▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓

\boxed{\pmb{\color{gold}{\sf{2SO_{2}(g) + O_{2}(g)\dashrightarrow 2SO_{3}(g)}}}}

▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓

7 0
3 years ago
Read 2 more answers
What would scientist’s next steps be if his/her data supported his/her hypothesis?
Lady bird [3.3K]
To communicate the results in an organized report
6 0
4 years ago
Read 2 more answers
Of the following elements, which one would have the smallest ionization energy ?
s2008m [1.1K]

D. Lithium or Li has the smallest ionization energy of those listed with an energy of 5,3917.

I hope that helps u!

7 0
3 years ago
BRAINLIESTTT ASAP!!! PLEASE HELP ME :)
SCORPION-xisa [38]

Every science experiment should follow the basic principles of proper investigation so that the results presented at the end are seen as credible.

Observation and Hypothesis. ...

Prediction and Modeling. ...

Testing and Error Estimation. ...

Result Gathering and Presentation. ...

Conclusions. ...

Law Formation.

4 0
3 years ago
State the number of neutrons in an atom of Ne-20 and the number of neutrons in an atom of Ne-22. choose two answers * 1 point Ne
saveliy_v [14]

Answer:

Ne 20: 10

and

Ne 22: 12

Explanation:

Ne-20:

N = A - Z = 20 - 10 = 10 neutrons

Ne-22:

N = A - Z = 22 - 10 = 12 neutrons

N: number of neutrons

A: mass number

Z: atomic number

8 0
3 years ago
Other questions:
  • if you see a dark mass similar to a blown-up balloon at the top of a volcano, what type of feature are you most likely viewing
    7·1 answer
  • Why do nurses need to understand chemistry?
    5·1 answer
  • A solution of naoh(aq) contains 8.1 g of naoh(s) per 100.0 ml of solution. calculate the ph and the poh of the solution at 25 °c
    11·1 answer
  • How did Thompson know that the atom was made of more than just electron?
    15·1 answer
  • Give a reason why laboratory apparatus are made of ceramics​
    6·1 answer
  • Which of the following lists stars in order of increasing size?
    5·2 answers
  • What is the amplitude of the wave above? *
    6·1 answer
  • Which method of heat transfer causes magma to circulate in the mantle?
    15·1 answer
  • A gas has a pressure of 8.5atm and occupies 24L at 25∘C. What volume (in liters) will the gas occupy if the pressure is increase
    13·1 answer
  • Which chemical formula represents both an element and a molecule?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!