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muminat
3 years ago
9

How do scientists use sonar to study earth's oceans?

Chemistry
1 answer:
HACTEHA [7]3 years ago
7 0
<span>to map the ocean floor is correct

</span>
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A sample of Copper absorbs 43.6 KJ of heat, resulting in a temperature rise of 75.0 oC, determine the mass (in Kg) of the copper
yanalaym [24]

Explanation:

here is the answer to your question

3 0
2 years ago
How many liters of 0.85 M HCl solution would react completely with 3.5 moles Ca(OH)2?
Neporo4naja [7]
I think B but i'm not for sure
4 0
3 years ago
PLS HELP ASAP!! Why is titanium known as a strategic metal??
Rom4ik [11]

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Titanium is known as a strategic metal because it is one of the most abundant items on Earth! Also, it is used to build structures, such as space crafts, aircrafts, etc.

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Hope this helps!

7 0
3 years ago
The bulb lights up in the circuit. Only two rods are conductors of electricity. Which one of the rods, X, Y or Z is definitely a
meriva

Answer: Rod X.

Explanation:

Ok, the electricity starts in the top left part. First, it must travel in the X rod, then it keeps traveling until it reaches the parallel path, and it can go to the Z rod, to the Y rod, or to both of them, and then it reaches the bulb (the circle with a X inside of it).

We know that two rods are conductors of electricity.

Now, suppose the case where rods Z and Y are the ones that conduct electricity, this means that X does not conduct electricity, then when the current reaches to X it stops (because X does not conduct) then the electricity never reaches the rods Z and Y, and then the electricity never reaches the bulb, but we know that the bulb lights up, so we must have that X is one of the conducting rods.

Then, if for example, Y does not conduct electricity, the electricity still can run through the Z rod and eventually reach the bulb.

So we can conclude that the rod that is definitely a conductor of electricity is rod X

4 0
3 years ago
6. If 4 mole of the rocket fuel ammonium perchlorate, NH4C/04 (s) is
Bond [772]

Answer:

144g of H₂O

Explanation:

3NH₄ClO₄(s) + 3Al → Al₂O₃(s) + AlCl₃(s) + 3NO(g) + 6H₂O(g)

From the equation:

3 moles of NH₄ClO₄ produced 6 moles of H₂O

4 moles of NH₄ClO₄ produced ? moles of H₂O

(4 ₓ 6)/3 = \frac{24}{3} = 8 moles of H₂O

1 mole of H₂O = (1 × 2) + 16 = 18g (The Relative Molecular mass of H₂O)

8 moles of H₂O = ?

Therefore 8 × 18 = 144g

=144g of H₂O

3 0
2 years ago
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