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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

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3 years ago
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Define stress engineering science​
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3 years ago
Suppose a standing wave created on a spring that is 10.5 m long has a speed of 14 m/s and a frequency of 2 Hz. How many nodes an
dimulka [17.4K]

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If the two waves have the same amplitude and wavelength, then they alternate between ... In fact, the waves are in phase at any integer multiple of half of a period: ... The propagation velocity of the waves is 175 m/s.

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please ask me in brainlist ok

6 0
3 years ago
After a trip to Mars, the human heart would be much stronger than it was on Earth
Mariulka [41]
My answer to this question honestly is no
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3 years ago
The area of a circular trampoline is 108.94 square feet. What is the radius of the trampoline? Round to the nearest hundredth.
djverab [1.8K]
The correct answer to this question is this one: B. 5.89 feet
<span>The area of a circular trampoline is 108.94 square feet. The radius of the trampoline is 5.89 feet.
</span>
For a circle,
A = (pi)r^2
108.94 ft^2 = (pi)r^2
r^2 = (108.94 ft^2)/(pi)
r = sqrt(108.94/pi) ft
r = 5. 89 ft
8 0
3 years ago
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