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Elena-2011 [213]
2 years ago
9

9.25x10^-8 x6.40x10^3 in scientific equation

Chemistry
1 answer:
Furkat [3]2 years ago
4 0

Answer:

5.92E-4 or 5.92x10^-4

Explanation:

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If the mass of 23 gummi bears is 49.2g, what is the average mass of one gummi bear? Round answer to the nearest 0.00g (do NOT ty
Mila [183]

just divide the mass 49.2 grams by the amount of gummi bears 23 to get the answer of 2.1391 then it says to round to 2 decimals so 2.14 grams

3 0
3 years ago
At a pressure of 650 kpa 2.2L of hydrogen is used to fill a balloon to a final pressure of 115 kpa. What's the balloons volume?
Alborosie

Answer:

V₂ = 12.43 L

Explanation:

Given data:

Initial pressure = 650 KPa

Initial volume = 2.2 L

Final pressure = 115 KPa

Final volume = ?

Solution:

The given problem will be solved through the Boyles law,

"The volume of given amount of gas is inversely proportional to its pressure by keeping the temperature and number of moles constant"

Mathematical expression:

P₁V₁ = P₂V₂

P₁ = Initial pressure

V₁ = initial volume

P₂ = final pressure

V₂ = final volume  

Now we will put the values in formula,

P₁V₁ = P₂V₂

650 KPa ×2.2 L = 115 KPa × V₂

V₂ = 1430 KPa. L/ 115 KPa

V₂ = 12.43 L

4 0
2 years ago
19E molar/molal Test
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2 years ago
How does Earth science overlap with life science? A. Earth science involves the study of the composition of matter. B. Earth sci
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During the process of cellular respiration, water becomes oxygen.<br><br> True<br> False
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Answer:

False

Explanation:

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8 0
3 years ago
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