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
SVETLANKA909090 [29]
3 years ago
9

Students performed an investigation on how aluminum cans taken to a recyle center were able to be reused. They found out an alum

inum can undergoes which type of change?
a physical change because the can is heated
a chemical change because new metal is formed
a physical change because the material remains the same
a chemical change because an old can is changed into a new can
Chemistry
2 answers:
Ivan3 years ago
7 0

Answer:

The correct answer is - a physical change because the material remains the same.

Explanation:

A chemical change is the change that results in the formation of the new element or the substance whereas the physical change remains the same material or substance even after the change.

The physical change can be a change in density, size, shape, or volume, and other properties. In the recycling of the aluminum can the material remain the same only shape or size of the aluminum change order to reuse.

FrozenT [24]3 years ago
5 0

Answer:

its D i promise

Explanation:

You might be interested in
Please help me out Fast people
kifflom [539]
I think convergent but could be wrong
4 0
4 years ago
Read 2 more answers
108/49 In ? 108/48 Cd + ? In the equation above, what particle or type of radiation needs to be included on the right hand side
Oksanka [162]

Answer: b) positron

Explanation:

The antiparticle or the antimatter counterpart of the electron is called positron.

The positron has an electric charge of +1 e and same mass as an electron. When a positron collides with an electron, annihilation takes place.

Below is an attachnent that further explains this

7 0
3 years ago
Catherine has some seawater. She wants to separate pure water from the seawater.
expeople1 [14]

Answer:

the change is evaporation

Explanation:

the water heats up at the surface of the water and evaporates

4 0
3 years ago
Read 2 more answers
Cleo has a vegetable garden and wants to increase the amount of nitrogen in the soil.
gladu [14]

Answer:

The correct answer is the first option

Explanation: hope this helped

7 0
4 years ago
Read 2 more answers
Remember to balance the equations first
Semenov [28]

mol CO₂ = 9.6

mol N₂ = 4.8

mol O₂ = 0.8

mol H₂O = 8

<h3>Further explanation</h3>

Reaction

4C₃H₅O₉N₃ → 12CO₂ + 6N₂ + O₂ + 10H₂O

mol CO₂

\tt \dfrac{12}{4}\times 3.2=9.6

mol N₂

\tt \dfrac{6}{4}\times 3.2=4.8

mol O₂

\tt \dfrac{1}{4}\times 3.2=0.8

mol H₂O

\tt \dfrac{10}{4}\times 3.2=8

8 0
3 years ago
Other questions:
  • Write the overall, ionic and net ionic equations for the following reaction. Hydrobromic acid (HBr) and Strontium hydroxide (Sr(
    11·2 answers
  • The elemental analysis of an organic solid extracted from gum arabic (a gummy substance used in adhesives, inks, and pharmaceuti
    11·1 answer
  • Oxidation number is
    12·1 answer
  • Scientific notation is
    13·2 answers
  • A chemistry student must write down in her lab notebook the concentration of a solution of sodium hydroxide. The concentration o
    15·2 answers
  • PLEASE HELP ILL GIVE BRAINLIEST
    5·2 answers
  • B. Add 3 mL of copper (II) sulfate (CuSO.) solution to a test tube. Drop a cleaned zinc strip into the solution. Permit the stri
    6·1 answer
  • What is the job of an environmental engineer?
    8·1 answer
  • David walks 10 Km North. He turns East and walks 10 more Km. What is his distance
    10·1 answer
  • 366 Cal to kilowatt-hours, how to convert?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!