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
dmitriy555 [2]
4 years ago
15

Is the formation of rust on an iron nail a chemical change or a physical change?

Physics
1 answer:
zlopas [31]4 years ago
4 0
Chemical because rust is also called iron oxide (Fe2O3) and it occurs when oxygen bonds with iron atoms
You might be interested in
Alex swims at an average speed of 45m/min. how far does he swim in 1 min 24 sec?
saveliy_v [14]

Answer:

63 m

Explanation:

Average speed of swimming = 45 m/min

Time = 1 minute 24 seconds

Converting time into minutes:

Formula:

Putting values, we get.

Thus, Alex swims for 63 m in 1 minute and 24 seconds.

6 0
3 years ago
Wha is amplitde in sound
NemiM [27]

Answer:

The number of molecules displaced in a vibration makes the amplitude of a sound.

7 0
3 years ago
A moving small car has a head-on collision with a large stationary truck 7.3 times the mass of the car. Which statement is true
ad-work [718]
The car bounces off and moves in the opposite direction
8 0
3 years ago
Read 2 more answers
If your face is 62 cm in front of a plane mirror, where is the image of your face located?
timurjin [86]

Answer:

62 cm is in front of the mirror

Explanation:

This is answers

3 0
3 years ago
Read 2 more answers
The LIGHT/DARKcontrol of an automatic toaster is placed at a particular setting. The toast at this setting will always be the sa
hichkok12 [17]
The toast at this setting will always be the same color because the toaster uses a compensating thermostat. Depending on the setting, the compensating thermostat will be used to regulate the heat settings at different amounts of time. In one setting, the compensating thermostat could go on for much longer than the other setting before shutting off.
5 0
3 years ago
Other questions:
  • Unless otherwise posted, what is the speed limit in a school zone? florida
    8·1 answer
  • PLEASE HELP!!!<br><br> Both Transverse and Longitudinal Waves transmit _______ and not ______.
    10·1 answer
  • A wire is formed into a circle having a diameter of 11.1 cm and is placed in a uniform magnetic field of 2.79 mT. The wire carri
    15·1 answer
  • Identify the techniques used to try to locate extra solar (exo) planets
    15·2 answers
  • Call 7744882898 ::::::
    9·1 answer
  • Very easy physics maths about current and other stuffs only one question please help me
    14·1 answer
  • A car is accelerating at 30 m/s2, if the car is 400 kg how much force
    8·1 answer
  • A car travels up a hill at a constant speed of 44 km/h and returns down the hill at a constant speed of 74 km/h. Calculate the a
    7·1 answer
  • PLEASE HELP: An engineer is designing a runway. She knows that a plane, starting at rest, needs to reach a speed of 140mph at ta
    5·1 answer
  • A car moving at a speed of 20 m/s has a kinetic energy of 200,000 J from that motion. What is the car's mass?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!