3 years ago

Define the word carbon dioxide

1 answer:

5 0

Answer:

The word (Carbon Dioxide) is a gas that takes up around 0.03% of the atmosphere and can be dangerous if inhaled for too long.

The scientific formula for the gas (Carbon Dioxide) is CO2

(1 carbon + 2 oxygen)

[Hey if this is wrong, don't post a rude reply! Message me and I will try to correct the answer!]

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This chemical equation represents the burning of methane, but the equation is incomplete. What is the missing coefficient in bot

Zolol [24]

CH4+(x)O2=CO2 +(Y)H2O
C=1 +H=4 +O=? = C=1 +O=2+? +H=?
H=4>>Y=2
C=1 +H=4 +O=? = C=1 +O=(2+2) +H=4
C=1 +H=4 +O=4 = C=1 +O=4 +H=4
O=4>>X=2
CH4+(2)O2 =CO2 +(2)H2O

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3 years ago

The reaction of 5.40 g of carbon with excess O2 yields 13.6 g of CO2. What is the percent yield of this reaction?

vazorg [7]

C + O2= CO2
$n = \frac{m}{mw}$
$n = \frac{5.4}{12} \\ n = 0.45 \: mol \: of \: carbon$
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5.4-3.72= 1.68 g of C is excess
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3 years ago

a sample of ammonia contains 9g hydrogen and 42g nitrogen. another sample contains 5g hydrogen .calculate the amount of nitrogen

balandron [24]

9 g of hydrogen - 42 g of nitrogen
5 g of hydrogen - x g of nitrogen

$9x=42 \cdot 5 \\
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The mass of nitrogen in the second sample is 23.33 g.

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4 years ago

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an area of exposed rock after a glacier melts away

Explanation:

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