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3 years ago

Which of the following statements is true about the composition of the atmosphere?

Chemistry

2 answers:

tigry1 [53]3 years ago

4 0

The answer is 100% D

Please give me brainiest i'm striving for the next rank

Phoenix [80]3 years ago

3 0

Answer : Option D) The atmospheric conditions vary as one changes latitude and altitude.

Explanation : The composition of the atmosphere varies according to the latitude and altitude because of the unequal heating of the earth surface at different latitudes and altitudes which results into atmospheric changes. It also creates different regions and zones.

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Before we can use this equation for

AlexFokin [52]

Answer:

2C₂H₆ + [7]O₂ → [4]CO₂ + [6]H₂O

Explanation:

Chemical equation:

C₂H₆ + O₂ → CO₂ + H₂O

Balanced chemical equation:

2C₂H₆ + 7O₂ → 4CO₂ + 6H₂O

Step 1:

2C₂H₆ + O₂ → CO₂ + H₂O

Left hand side Right hand side

C = 4 C = 1

H = 12 H = 2

O = 2 O = 3

Step 2:

2C₂H₆ + O₂ → 4CO₂ + H₂O

Left hand side Right hand side

C = 4 C = 4

H = 12 H = 2

O = 2 O = 9

Step 3:

2C₂H₆ + O₂ → 4CO₂ + 6H₂O

Left hand side Right hand side

C = 4 C = 4

H = 12 H = 12

O = 2 O = 14

Step 4:

2C₂H₆ + 7O₂ → 4CO₂ + 6H₂O

Left hand side Right hand side

C = 4 C = 4

H = 12 H = 12

O = 14 O = 14

3 0

3 years ago

What was the event that triggered Nicole’s deterioration

inn [45]

Answer: A severe viral respiratory infection

8 0

3 years ago

Read 2 more answers

A 60.0-g sample of fermium-253 was placed in a sealed vessel 9.0 days ago. Only 7.5 g of this isotope is now left. What is th

Alex787 [66]

Answer:

Explanation:

3 days later: 60/2=30

6 days later: 30/2=15

9 days later: 15/2=7.5

3 0

3 years ago

What does the outer ear do?

Lina20 [59]

The outer ear is responsible in carrying sound waves to the the tympanic membrane aka the eardrum, which vibrates when sound waves hit it.

8 0

4 years ago

Draw a structural formula for 4,4-dichlorocyclohexanecarboxylic acid.

Phoenix [80]

Answer:

See attached picture.

Explanation:

Hello,

In this case, for the required carboxylic acid, we should consider a central cyclohexane that at the first carbon has a carboxyl group COOH and at the fourth carbon has two chlorine radicals as shown on the attached picture. This type of compounds need to have the carboxyl group outside the ring in order to be considered as acids, otherwise the octet rule may not be respected for a cyclic carbon.

Regards.

6 0

3 years ago