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EastWind [94]
3 years ago
12

Need help on this questyion

Chemistry
1 answer:
mel-nik [20]3 years ago
5 0
The picture looks blurry can you tell me what it says?
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How many pennies are in $2,020.20?
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Answer:

202,020 pennies

Explanation:

The amount of pennies in 1 dollar is 100.

Basically, you just multiply the whole dollar amount (2020) by 100 and then add 20 to find the amount of pennies.

(2020)(100)+20= 202,000+20= 202,020 pennies.

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Round 0.007062 to 4 significant numbers
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6. If the broken wire of the top branch
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2 years ago
A mixture of gases at a total pressure of 95 kPa contains N₂, CO₂, and O₂. The partial pressure of the CO₂ is 24 kPa and the par
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Answer:

23 kPa = Partial pressure O₂

Explanation:

In a mixture of gases, the sum of partial pressure of each gas that contains the mixture = Total pressure

Total pressure = Partial pressure N₂ + Partial pressure CO₂ + Partial pressure O₂

95 kPa = 48 kPa + 24 kPa + Partial pressure O₂

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23 kPa = Partial pressure O₂

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