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Juliette [100K]
3 years ago
6

Please help due in 5 minutes

Chemistry
2 answers:
Mrac [35]3 years ago
4 0
Number 1 is a and number 2 is none
mezya [45]3 years ago
3 0
1 a 2 none
334)(.)4;,(?&&?7&
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How many square centimeters are in an area of 8.10inch2 ?
In-s [12.5K]
8.10in^2=52.25796cm^2

1 in^2=6.4516cm^2

8.10in^2*6.4516cm^2/1 in^2

8.10in^2*6.4516cm^2= 52.25796 cm^2
5 0
3 years ago
What time is it in California when its 7:00 a.m. in Florida?
bixtya [17]

Answer:

4:00 a.m.

Explanation:

The east coast is 3 hours ahead of the west coast

8 0
3 years ago
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EASY QUICK CHEM QUESTION!! Which line indicates a higher reaction rate?
ad-work [718]
2. B because it has a lower activation energy.

idk because you have no picture with the lines on it

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4 years ago
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Which represents a balanced chemical equation?
romanna [79]
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4 0
3 years ago
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Combustion of hydrocarbons such as butane () produces carbon dioxide, a "greenhouse gas." Greenhouse gases in the Earth's atmosp
Dahasolnce [82]

Answer:

1. C₄H₁₀ + ¹³/₂O₂ → 4CO₂ + 5H₂O

2. V = 596L

Explanation:

Butane (C₄H₁₀) reacts with oxygen (O₂) to produce carbon dioxide (CO₂) and water (H₂O) thus:

C₄H₁₀ + O₂ → CO₂ + H₂O

1. The balanced chemical equation is:

C₄H₁₀ + ¹³/₂O₂ → 4CO₂ + 5H₂O

2. 0,360kg of butane are:

360g×\frac{1mol}{58,12g}=<em>6,19moles of butane</em>

These moles of butane are:

6,19moles of butane×\frac{4CO_2}{1molButane}= <em>24,8 moles CO₂</em>

Using V=nRT/P

Where:

n are moles (24,8 moles CO₂); R is gas constant (0,082atmL/molK); T is temperature, 20°C (293,15K); and P is pressure (1atm).

Volume (V) is:

<em>V = 596L</em>

I hope it helps!

8 0
4 years ago
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