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
balu736 [363]
3 years ago
12

A student observes a chemical reaction.

Physics
2 answers:
zvonat [6]3 years ago
8 0
The balanced equation is 4Al + 3O2 —> 3Al2O3
ankoles [38]3 years ago
4 0

Answer:4Al + 2O2 --> 3Al2O3

Explanation:THIS IS YOUR ANSWER

You might be interested in
If the coolant in an air conditioner has a lower temperature than the air in a building, then ____.
solmaris [256]
Heat always flows from higher temperature to lower temperature. So option A. heat will flow from the air into the coolant is the correct answer.

8 0
4 years ago
Read 2 more answers
What is a lifestyle?the clothes and posessions that you purchase,one or more options that require a decision,people and places t
MAXImum [283]
Life style are habits and standards that shape how you live
4 0
4 years ago
Read 2 more answers
Which determines the pitch of a sound? A. At the same wavelength, the sound with the most cycles per second will have the highes
kipiarov [429]
This would be known to be determined by its sound wave which would be the amplitude. The pitch of sound would actually be a little differenr in this matter. But know that we know and understand the sound wave of the pitch of sound, we know that this is done by amplitude.
5 0
4 years ago
14.What is the kinetic energy of a 3kg ball that is rolling 2m/s?
Arte-miy333 [17]
KE formula is .5mv^2
So KE=.5mv2
KE=.5(3)(2)^2
KE=.5(3)(4)
KE=.5(12)
KE=6 joules
4 0
3 years ago
Read 2 more answers
Which of the following is an example of potential energy?
tigry1 [53]
The answer is b because it’s something being stretched and it
7 0
3 years ago
Read 2 more answers
Other questions:
  • What part of the electromagnetic spectrum can cause sunburn? radio waves infrared light gamma rays ultraviolet light
    14·2 answers
  • Technician A says that gears may be used to apply torque to other rotating parts. Technician B says that gears may be used to mu
    9·1 answer
  • According to Coulomb’s Law, the force between two charged objects is related to _____. the distance separating them the mass of
    8·2 answers
  • The average speed of a car that travels a distance of 240 km is three hours
    10·1 answer
  • Hannah walks 0.30 km to class in 5.0 min. what is her average speed in m/s?
    7·1 answer
  • What is not a component of skill related fitness
    7·1 answer
  • Air at 80 kPa and 400 K enters an adiabatic diffuser steadily at a rate of 6000 kg/h and leaves at 100 kPa. The velocity of the
    11·1 answer
  • Doctors use radioactive sources as tracers for medical imaging. The table below shows the properties
    11·1 answer
  • 6. If you walk 30. m E. 20.m S, 30. m W, and finally, 20. m N, what is your distance and displacement?​
    9·1 answer
  • Which type of reaction does this diagram represent?
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!