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
Zarrin [17]
2 years ago
7

What is chemical change? what are some ways to tell chemical change happened?

Chemistry
1 answer:
andrew-mc [135]2 years ago
4 0

Answer:

A chemical change occurs when the reactants chemical compositions have changed

Explanation:

a change in colour, change in temperature, change in smell, formation of a precipitate, or the formation of gas bubbles

Hopes this helps

You might be interested in
This is the process that cells reproduce and replace old or damaged cells.
Vedmedyk [2.9K]

Answer:

mitosis

Explanation:

because ur a cumt who doesn't know the answer

8 0
3 years ago
According to the selection, what is the main weakness of the tortoise?<br>​
Agata [3.3K]

Answer:

Nose

Explanation:

Because every time I touch it's nose, it will hide itself into the shell faster than other places

8 0
3 years ago
What is symbol, molecule, electrovalent compound?​
jok3333 [9.3K]

Answer:

the abbreviation form of full name is called symbol.

the smallest unit of cimpound is called molecule.

8 0
3 years ago
How do the fusion reaction in the sun compare to the fusion occurring in large atars and supernovas
r-ruslan [8.4K]
The fusion reaction in the sun is a combination of hydrogen atoms fusing to create helium. The fusion reaction in larger stars involve much heavier elements like oxygen and iron. In supernovas, often elements like gold are produced
6 0
3 years ago
Q- Which two positions show the location of the moon in its gibbous phases as seen from Earth?
Phoenix [80]

Answer: 6 & 8

Explanation:

I got it correct on my test hope this helped

4 0
3 years ago
Other questions:
  • Why did biologist in the 1960s recommend reintroducing wolves to yellow stone
    11·1 answer
  • Hydrangea plant's petals change to which colour on the addition of acids?
    11·1 answer
  • 5. A particular anticodon is 5'-AGC-3'. The codon that is a precise complementary base pair match for this is 5'-AGU-3'. However
    12·1 answer
  • In a certain industrial process involving a heterogeneous catalyst, the volume of the catalyst (in the shape of a sphere) is 10.
    6·1 answer
  • A 9.86 g sample of an aqueous solution of hydroiodic acid contains an unknown amount of the acid. If 27.5 mL of 0.337 M potassiu
    5·1 answer
  • What is the approximate total number of atoms in 1.0 mole of lithium?
    10·1 answer
  • Wha is the molecular formula ?<br><br><br><br><img src="https://tex.z-dn.net/?f=NONSENSE%3DREPORTED" id="TexFormula1" title="NON
    5·1 answer
  • Why does 50 g of copper require less heat (q) than 50 g of water, in order to raise the temperature by 15 oC? (Hint - the heat c
    9·1 answer
  • Why are carcinogens difficult for toxicologists to identify
    13·1 answer
  • A balloon that had a volume of 3. 50 L at 25. 0°C is placed in a hot room at 40. 0°C. If the pressure remains constant at 1. 0
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!