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Step2247 [10]
2 years ago
15

Hydrogen and oxygen react to produce water. Which of the following is the correctly balanced chemical equation for this reaction

?
Chemistry
1 answer:
andrezito [222]2 years ago
4 0

Answer:

2H₂ + O₂  ===>  2H₂O

Explanation:

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When the temperature begins to drop in their own ecosystem.What do birds tend to do?
cestrela7 [59]

Answer: migrate south

Explanation:

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3 years ago
A bowling ball is pushed with a force of 22.0 N and accelerates at 5.5m/s. What is the mass of the bowling ball
Luden [163]
Hello!

Data:

F (force) = 22.0 N
m (mass) = ? (in Kg)
a (acceleration) = 5.5 m/s²

We apply the data to the Resultant Force formula, we have:

F =m*a

22 = m*5.5

5.5 m = 22

m =  \dfrac{22}{5.5}

\boxed{\boxed{m = 4\:Kg}}\end{array}}\qquad\checkmark

I hope this helps. =)
7 0
3 years ago
Read 2 more answers
Round 0.002346 to 3 significant figures.
Kruka [31]

Answer:

0.00235

Explanation:

  • Zeros that come before any non-zero digits are never significant.

  • Zeros that are in between any non-zero digits are always significant.

  • Zeros that come after any non-zero digit are ONLY significant if a decimal point in present somewhere in the number. (In this case there is a decimal point, but there aren't any zeros at the end of this number.)

The zeros at the beginning aren't significant, so include those zeros in your answer. The 6 at the end in greater than 5 so that rounds the 4 to up one number (In this case, it's 5).

This gives you 0.00235

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Fuel......................................
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