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PolarNik [594]
3 years ago
12

Complete each sentence using the drop-down menus.

Chemistry
2 answers:
valina [46]3 years ago
7 0

Answer:

1. land

2. water

3. urbanization

4. smog and acid rain

Explanation:

already enter the answer and got it right.

kirill115 [55]3 years ago
4 0

Answer:

Desertification mainly impacts land  resources.

Point and nonpoint sources refer to types of water pollution.

The process of people moving to cities, called   urbanization , greatly impacts land, air, and water resources.

The burning of fossil fuels can cause smog and acid rain.

Explanation:

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Sulfuric acid is essential to dozens of important industries from steelmaking to plastics and pharmaceuticals. More sulfuric aci
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Given:

K = 0.71 = Kp

The reaction of sulphur with oxygen is

                            S(s)   + O2(g)  ---> SO2(g)

initial Pressure                   6.90         0

Change                                -x            +x

Equilibrium                     6.90-x          x

Kp = pSO2 / pO2 = 0.71 = x / (6.90-x)

4.899 - 0.71x  = x

4.899 = 1.71x

x = 2.86 atm = pressure of SO2 formed

temperature = 950 C = 950 + 273.15 K = 1223.15 K

Volume = 50 L

Let us calculate moles of SO2 formed using ideal gas equation as

PV = nRT

R = gas constant = 0.0821 L atm / mol K

putting other values

n = PV / RT = 2.86 X 50 / 1223.15 X 0.0821 = 1.42 moles

Moles of Sulphur required = 1.42 moles

Mass of sulphur required or consumed = moles X atomic mass of sulphur

mass of S = 1.42 X 32 = 45.57 grams or 0.04557 Kg  of sulphur



 


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