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
Mademuasel [1]
3 years ago
14

I need 2 examples of chemical and physical change. *15 points

Chemistry
1 answer:
melamori03 [73]3 years ago
3 0
*Chemical: Burning of paper and log of wood. - Digestion of food. - Boiling an egg. - Chemical battery usage. - Electroplating a metal. - Baking a cake. - Milk going sour.

*Physical: An ice cube melting into water in your drink. - Freezing water to make ice cubes. - Boiling water evaporating. - Hot shower water turning to steam. - Steam from the shower condensing on a mirror.
You might be interested in
A compound has the formula C8H8 and does not contain any double or triple bonds. All the carbon atoms are chemically identical a
Ann [662]

Answer:

<h3>There's no way for C8H8 to exist without double bonds. To fulfill the rule of the octet, four bonds must be formed by each carbon. This can only be done in C8H8 through the formation of double bonds.</h3>

Explanation:

7 0
3 years ago
Energy is the ability to do
Aleonysh [2.5K]
As we all know that energy is the ability to do work
8 0
2 years ago
Read 2 more answers
About 300 B.C., Aristarchus suggested that the sun was at the center of the universe. Why?
Bogdan [553]

The correct answer is option A and B

About 300 B.C., Aristarchus suggested that the sun was at the center of the universe because a) the brightness of the planets would change and b) the planets appeared to move among the constellations.

18 centuries before  Copernicus, Aristarchus predicted that  all planets orbit the sun. In other words, he suggested the Solar System is heliocentric.


7 0
3 years ago
C. What happens to stuff when you add heat energy to it?
Minchanka [31]

Answer:

it warms up

Explanation:

8 0
3 years ago
Read 2 more answers
A solution has a hydronium concentration of 1.3 × 10-3 M. What is the pH of the solution?
Ray Of Light [21]

Answer:

2.89

Explanation:

pH=-log(H3O+)

- Hope that helps! Please let me know if you need further explanation.

6 0
3 years ago
Read 2 more answers
Other questions:
  • Calculate the mass of H2OH2O produced by metabolism of 2.4 kgkg of fat, assuming the fat consists entirely of tristearin (C57H11
    7·1 answer
  • Which metal in Period 5 is very reactive and has two valence electrons in each atom? rubidium (Rb) strontium (Sr) zirconium (Zr)
    14·2 answers
  • Did the subscripts (the little numbers<br>​
    8·1 answer
  • Rank the following solutes in order of increasing entropy when 0.0100 moles of each dissolve in 1.00 liter of water.
    11·1 answer
  • What does Ca stand for in chem?
    7·2 answers
  • Report with correct significant figures in scientific notation <br>3.698 X 10^4÷1.85 X 10^2​
    10·1 answer
  • Calculate the number of formula units in 1.87 mol of NH4Cl
    6·1 answer
  • What is the IUPAC name of 2NaOH(s)​
    8·1 answer
  • If you have 2.1 liters of hydrogen gas (at STP), what mass of hydrogen gas would you have?
    8·1 answer
  • Octanol is slightly soluble in water, and water is very soluble in octanol. why is it important to presaturate octanol with wate
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!