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
olasank [31]
3 years ago
12

Sharping a pencil leaves behind pencil shavings. Is sharpening pencil a physical or chemical change

Chemistry
1 answer:
Deffense [45]3 years ago
6 0
Physical, since you are physically changing its appearance
You might be interested in
Convert 5.50 mol of MgO to g.
Fiesta28 [93]

Answer:

5.50 moles of magnesium oxide is 221.6742 grams

Explanation:

to do this you multiply the number of moles by the molar mass

7 0
2 years ago
What happens to elements when they combine together chemically ?
lara [203]

Answer:

When two distinct elements are chemically combined—i.e., chemical bonds form between their atoms—the result is called a chemical compound. Most elements on Earth bond with other elements to form chemical compounds, such as sodium (Na) and Chloride (Cl), which combine to form table salt (NaCl).

7 0
3 years ago
What is the pH of a 8.7 x 10^-12 M OH- solution ? pH= ?
vivado [14]
PH=14-pOH

pOH=-lg[OH⁻]

pH=14+lg[OH⁻]

pH=14+lg(8.7*10⁻¹²)=14-11.06=2,94
5 0
3 years ago
Read 2 more answers
What is the name of this hydrocarbon? 2–methylpentyne 2–dimethylpentene 2,3–dimethylpentane 3,2–dimethylpentane
Phantasy [73]
<span>on plato it's 2,3–dimethylpentane

</span>
6 0
3 years ago
Which of the following views of weather is an example of systems thinking
Luda [366]

Answer:

Explanation:

Climate

3 0
3 years ago
Other questions:
  • Make a list of silver current industrial uses. Try to include the approximate annual demand if possible. Create a table to displ
    15·2 answers
  • __________ force is the force of attraction and repulsion between subatomic particles.
    11·1 answer
  • Around four hundred million years after the formation of Earth, the planet's atmosphere would have been almost entirely _____.
    5·2 answers
  • If 294 grams of FeS2 is allowed ti react with 176 grams of O2 according to the following equation how many grams of Fe2O3 are pr
    11·2 answers
  • Each liter of air has a mass of 1.80 grams. How many liters of air are contained in
    9·1 answer
  • Which descriptions apply to eukaryotic cells? Check all that apply.
    7·1 answer
  • Can anyone help me with this please?
    13·1 answer
  • Fill in the blanks to describe the work of Ben Kennedy, a volcanologist who works in New Zealand. To learn more about why his pu
    6·2 answers
  • Which part of the periodic table would contain an element with a partially filled f sublevel?
    9·1 answer
  • 228 90th then decays by emitting alpha particles until 212 82pb is formed. how many alpha decays will occur during this chain pr
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!