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klemol [59]
4 years ago
12

Science question below

Chemistry
2 answers:
vitfil [10]4 years ago
7 0
It's the last answer. The gas-filled sacs allow for it to float, which means it's closer to the surface where the sun is. The top of the kelp collects the nutrients it needs from the sunlight and transfers it throughout the rest of it. Hope this helped!

zysi [14]4 years ago
7 0
It's rather move with the ocean waves or collect more sunlight
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What is the partial pressure of 0.50 mol Ne gas combined with 1.20 mol Kr gas at a final pressure of 730 torr?
WARRIOR [948]
  The partial pressure  of 0.50  Ne  gas    is   214.71  torr


      calculation

 the partial   pressure  of Ne  = moles  of Ne/total moles  x  final  pressure

 
find  the total  moles  of the air mixture  

that is moles of   Ne  +  moles of K=  0.50 + 1.20  =  1.70 moles
  

The partial  pressure  is therefore =   0.50 /1.70  x  730  =  214.71  torr
   
8 0
3 years ago
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A balloon is filled with 2000 mL of air at a pressure of 2 atm. What is the volume of the balloon if the pressure is
artcher [175]

Answer:

800mL

Explanation:

Using Boyle's law which states that the volume of a given mass of gas is inversely proportional to the pressure, provided temperature remains constant

P1V1= P2V2

P1 = 2 atm, V1 = 2000mL ,

P2 = 5atm , V2 = ?

2 × 2000 = 5 × V2

Divide both sides by 5

V2 = 4000 ÷ 5

V2 = 800mL

I hope this was helpful, please mark as brainliest

6 0
4 years ago
Please HELP, the question is attached.
Nezavi [6.7K]

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7 0
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Which two things affect how a lens refracts light?
Romashka-Z-Leto [24]

Answer:

Explanation:

the correct answer is A

5 0
3 years ago
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Which is the formula mass of Na₂SO₄? *<br> 1. 119 amu<br> 2. 125 amu<br> 3. 142 amu<br> 4. 174 amu
ANTONII [103]

Answer:

the answer is option 3.

4 0
3 years ago
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