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fiasKO [112]
3 years ago
13

how emissions, such as sulfur dioxide, nitrogen oxides or carbon dioxide from power plants contribute to the making of ozone?

Chemistry
1 answer:
Serga [27]3 years ago
8 0

Answer:

Explanation:

We cause air pollution directly through our use of electricity, fuels, and ... Most of this air pollution we cause results from the burning of fossil fuels, such as coal, oil, ... Carbon dioxide (CO2) is a good indicator of how much fossil fuel is burned ... with ozone-forming nitrogen oxides and volatile organic compound emissions.

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Which tool gives scientists information about the wind speed and humidity of a region?
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Answer:

Anemometer. An anemometer is a type of weather instrument that measures wind speed.

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3 years ago
Write the formulas of the following compounds:
ddd [48]

Answer:

a) Chloride dioxide  

     ClO_2

b) Di nitrogen tetra oxide

   N_2O_4

c) Potassium phosphide

   H_2K_3P^{+2}

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3 years ago
What are 4 energy transfer
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A 1.555-g sample of baking soda decomposes with heat to produce 0.991 g Na2CO3. Refer to Example Exercise 14.l and show the calc
Sunny_sXe [5.5K]

Answer:

a) 101%

b)59.7%

Explanation:

The equation for the thermal decomposition of baking soda is shown;

2NaHCO3 → Na2CO3 + H2O + CO2

Number of moles of baking soda= mass/molar mass= 1.555g/84.007 g/mol = 0.0185 moles

From the reaction equation;

2 moles of baking soda yields 1 mole of sodium carbonate

0.0185 moles of baking soda will yield = 0.0185 moles ×1 /2 = 9.25 ×10^-3 moles of sodium carbonate.

Therefore, mass of sodium carbonate= 9.25 ×10^-3 moles × 106gmol-1= 0.9805 g of sodium carbonate. This is the theoretical yield of sodium carbonate.

%yield = actual yield/theoretical yield ×100

% yield = 0.991/0.9805 ×100

%yield = 101%

Since ;

2NaHCO3 → Na2CO3 + H2O + CO2

And H2O + CO2 ---> H2CO3

Hence I can write, 2NaHCO3 → Na2CO3 + H2CO3

Molar mass of H2CO3= 62.03 gmol-1

Molar mass of baking soda= 84 gmol-1

Therefore, mass of baking soda=

0.325/62.03 × 2 × 84 = 0.88 g of NaHCO3

% of NaHCO3= 0.88/1.473 × 100 = 59.7%

7 0
3 years ago
PROJECT: KITCHEN TOOLS
docker41 [41]

Answer:

Explanation:2+2=4

7 0
3 years ago
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