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taurus [48]
4 years ago
14

For a science experiment what are some safety reasons for having a partner?

Chemistry
1 answer:
Anettt [7]4 years ago
7 0
Having a partner is so that person can help if you have problems with something
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If a star is 300 light years away from Earth, how long does it take light from that star to reach Earth?
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Answer: It would take 300 light years to reach Earth.

Explanation:

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What is a solution of zinc and copper?<br>five letter word
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Brass

Explanation:

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A balloon of helium gas in Alabama has a volume of 22.4 L at 26°C and a 1.03 ATM how big with a balloon get if is transported to
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Answer:

The final volume of the balloon is = 28.11 L

Explanation:

Initial pressure P_{1} = 1.03 atm = 104.325 K pa

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Final temperature T_{2} = 22 °c = 295 K  

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We know that

\frac{P_{1} V_{1} }{T_{1} } = \frac{P_{2} V_{2} }{T_{2} }

Put all the values in above formula we get

\frac{(104.325)(22.4)}{299} = \frac{(82)(V_{2} )}{295}

V_{2} = 28.11 L

This is the final volume of the balloon.

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