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V125BC [204]
2 years ago
6

Sound molecules can "stack up" in front of airplanes traveling at very high

Chemistry
2 answers:
11111nata11111 [884]2 years ago
5 0
The answer is C a combustion’s reaction
kherson [118]2 years ago
5 0
The answer is B.......
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Why are significant figures rules for calculations more important in science than in math class?
inysia [295]

Answer:

The importance of significant figures

As stated before, it is important within the science fields that you are not more precise or accurate than the least accurate or precise number. In science, it is generally agreed upon that the last number digit in any figure is filled with uncertainty.

Explanation:

4 0
3 years ago
How moles are there in 15 grams of SiO2
BigorU [14]
The answer you’re looking for is 0.250
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3 years ago
What is the element with the symbol Ba?​
Vika [28.1K]

Answer:

Barium

Explanation:

-Atomic #56

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3 0
3 years ago
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A student jumps of a sled toward the west after it stops at the bottom of an icy hill. Based on the law of action-reaction, in w
Delicious77 [7]

Answer:

East

Explanation:

Given Newton's third law of motion; "Action and reaction are equal and opposite", when a student jumps off a sled toward the west after it stops at the bottom of an icy hill, the sled will move in the East direction.

This is because, the force exerted on the sled is a reaction force and is opposite in direction to the force that thrusts the boy westward though equal in magnitude with the former.

3 0
2 years ago
CO2<br> +<br> NaOH<br> &lt;=&gt;<br> NaHCO3<br> Balance
NeTakaya

Answer:

Explanation:

It is balaned

Left side

1 Na

1 C

3 Os

1 H

=========

Right side

1 Na

1 H

1 C

3 Os

5 0
2 years ago
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