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Ipatiy [6.2K]
3 years ago
8

What does carbon dioxide have to do with global warming

Chemistry
2 answers:
Contact [7]3 years ago
5 0
A layer of greenhouse gases – primarily water vapor, and including much smaller amounts of carbon dioxide, methane and nitrous oxide – acts as a thermal blanket for the Earth, absorbing heat and warming the surface to a life-supporting average of 59 degrees Fahrenheit (15 degrees Celsius).
Alex_Xolod [135]3 years ago
3 0

Answer:

Global warming is an effect on our planet that is caused by carbon dioxide being trapped in our atmosphere. When the carbon dioxide is trapped, it is bouncing off the bottom layer of the clouds. Some escapes into outer space, but most of it stays. We cause global warming, by using vehicles, making asphalt, burning fossil fuels, and many more.

An effect of global warming is our poles oceans are melting. When our polar caps melt most of the way, we will experience a lot of flooding for many coastal cities. We will also experience extreme weather, like stronger hurricanes, larger thunderstorms, and larger areas effected by other natural disasters.

One thing we can do to stop or slow down these effects is to use vehicles less (or make better vehicles for the environment), stop burning fossil fuels, and make a world-wide law to prevent certain things from commencing. Nuclear bombs are also a problem to global warming. We will hopefully never reach that problem.

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When 3.00 moles of hydrogen molecules and 1.50 moles of oxygen molecules react, they form 3.00 moles of water
bearhunter [10]

Mass of Oxygen required : 24 grams

<h3>Further explanation</h3>

Given

3 moles of H

1.5 moles of O

3 moles of H₂O

Required

Mass of O

Solution

Reaction

2H₂ + O₂ ⇒ 2H₂O

Mass of Oxygen for 1.5 moles of O :

= mol x Ar O

= 1.5 moles x 16 g/mol

= 24 grams

7 0
3 years ago
If I have 21,000 mL of gas at a temperature of 870C and a pressure of 101 atm, what will be the pressure of the gas if I raise t
erastovalidia [21]

Answer:

We  have,

Initial volume is V  

1

​  

 

Initial temprature is T  

1

​  

=75  

0

C

Initial pressure is P  

1

​  

 

So, final temprature is T  

2

​  

=273+75=348K

V  

2

​  

=V  

1

​  

−  

100

15

​  

V  

1

​  

 

=  

100

85V  

1

​  

 

​  

 

Applying the gas formula,

T  

1

​  

 

P  

1

​  

V  

1

​  

 

​  

=  

T  

2

​  

 

P  

2

​  

V  

2

​  

 

​  

 

348

P  

1

​  

V  

1

​  

 

​  

=  

T  

2

​  

×100

2P  

1

​  

×85V  

1

​  

 

​  

 

T  

2

​  

=  

100

2×85×348

​  

 

T  

2

​  

=591.6K

4 0
3 years ago
What is the density of a solid that has a mass of 100g and a volume of 25mL.?
Arte-miy333 [17]

Answer:

D = 4 g/mL

General Formulas and Concepts:

Density = Mass over Volume

  • D = m/V

Explanation:

<u>Step 1: Define</u>

m = 100 g

V = 25 mL

D = unknown

<u>Step 2: Find D</u>

  1. Substitute:               D = 100 g/25 mL
  2. Evaluate:                  D = 4 g/mL
7 0
3 years ago
In what two places minerals are form?
larisa [96]
In earths surface or the bottom of the Ocean
3 0
4 years ago
A buffer solution is prepared by placing 5.86 grams of sodium nitrite and 32.6 mL of a 4.90 M nitrous acid solution into a 500.0
N76 [4]

This question is incomplete, the complete question is;

A buffer solution is prepared by placing 5.86 grams of sodium nitrite and 32.6 mL of a 4.90 M nitrous acid solution into a 500.0 mL volumetric flask and diluting to the calibration mark. If 10.97 mL of a 1.63 M solution of potassium hydroxide is added to the buffer, what is the final pH? The Ka for nitrous acid = 4.6 × 10⁻⁴.

Answer:

the final pH is 3.187

Explanation:

Given the data in the question;

Initial moles of HNO2 = 32.6/1000 × 4.90 = 0.15974 mol

Initial moles of NO2- = mass/molar mass = 5.86/68.995 =  0.0849336 mol

Moles of KOH added = 10.97/1000 × 1.63  = 0.0178811 mol

so

HN02 + KOH → NO2- + H2O

moles of HNO2 = 0.15974 - 0.0178811 = 0.1418589 mol

Moles of NO2- = 0.0849336 + 0.0178811  =  0.1028147 mol

Now,

pH = pka + log( [NO2-]/[HNO2])

pH = -log ka + log( moles of NO2- / moles of HNO2 )

we substitute

pH = -log( 4.6 × 10⁻⁴ ) + log( 0.1028147  / 0.1418589  )

pH = -log( 4.6 × 10⁻⁴ ) + log( 0.724767 )

pH =  3.337242 + (-0.1398 )

pH = 3.187

Therefore, the final pH is 3.187

8 0
3 years ago
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