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Alona [7]
3 years ago
12

Explain how nuclear waste is contained, stored, and disposed of, and how each method affects the environment

Chemistry
1 answer:
Nonamiya [84]3 years ago
4 0
Explain how nuclear waste is contained, stored, and disposed of, and how each method affects the
environment
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Explain why a luminous flame of a Bunsen burner produces bright yellow light​
telo118 [61]

Answer:

because of the small soot particles

4 0
2 years ago
Read 2 more answers
4. Al2O3 (s) + 6HCl (aq) → 2AlCl3 (aq) + 3H20(1) Find the mass of AlCl3 that is produced when 10.0 grams of Al2O3 react with 10.
slava [35]

Answer:

Are produced 12,1 g of AlCl₃ and 5,33 g of Al₂O₃ are left over

Explanation:

For the reaction:

Al₂O₃ (s) + 6 HCl (aq) → 2AlCl₃ (aq) + 3H₂0(l)

10,0g of Al₂O₃ are:

10,0g ₓ\frac{1mol}{102g} = <em>0,0980 moles</em>

And 10,0g of HCl are:

10,0 gₓ\frac{1mol}{36,5g} = <em>0,274 moles</em>

<em />

For a total reaction of 0,274 moles of HCl you need:

0,274×\frac{1molesAl_{2}O_3}{6 mole HCl} = <em>0,0457 moles of Al₂O₃</em>

Thus, limiting reactant is HCl

The grams produced of AlCl₃ are:

0,274 moles HCl ×\frac{2 moles AlCl_{3}}{6 moles HCl} × 133\frac{g}{mol} = <em>12,1 g of AlCl₃</em>

<em />

The moles of Al₂O₃ that don't react are:

0,0980 moles - 0,0457 moles =<em> </em>0,0523 moles

And its mass is:

0,0523 molesₓ\frac{102g}{1mol} = <em>5,33 g of Al₂O₃ </em>

<em />

I hope it helps!

7 0
3 years ago
Is the answer B or D , Help !
Alex

The NADPH contributions Electrons to the cycle

6 0
2 years ago
Read 2 more answers
Liquid X has a pH of 7 and Liquid Y has a pH of 8.5. Which statement is true?
Firlakuza [10]
The Correct statement is Liquid X is a neutral and Liquid Y is a base
Anything Above 7 is a base
Anything Below 7 is an acid
7 is neutral
7 0
3 years ago
Read 2 more answers
What is the density of laughing gas, dinitrogen monoxide, n2o, at a temperature of 325 k and a pressure of 113.0 kpa?
zvonat [6]

<em>Answer :</em> the density of the N₂O at 325 K and 113.0 kPa  is 1.84 kg m⁻³.

<span>
<span><em>Explanation : </em>

Density (kg/m³) = mass (kg) / Volume (m³)
</span><span> <span>d = m/V                 (1)

Ideal gas law,
PV = nRT               (2)</span></span></span>

<span>Where, P is the pressure of the gas (Pa), V is the volume of the gas (m³), n is the number of moles of gas (mol), R is the universal gas constant ( 8.314 J mol</span>⁻¹ K⁻<span>¹) and T is temperature in Kelvin.

n = m/M          (3)

Where, n is number of moles, m is mass and M is molar mass.

From (2) and (3),
PV = (m/M) RT

By rearranging,
P = (m/VM)RT              (4)

From (1) and (4)
P = (dRT) / M

The given data,
P = 113.0 kPa = 113.0 x 10</span>³ Pa<span>
d = ?
R = 8.314 J mol</span>⁻¹ K⁻<span>¹
T = 325 K 
M = </span>44.0 g/mol  = 44.0 x 10⁻³ kg/mol

<span>
By substitution,</span>

113.0 x 10³ Pa = (d x 8.314 J mol⁻¹ K⁻¹ x 325 K) / 44.0 x 10⁻³ kg/mol

             d = (113.0 x 10³ Pa x 44.0 x 10⁻³ kg/mol) / (8.314 J mol⁻¹ K⁻¹ x 325 K<span>)
             d = 1.84 kg m</span>⁻<span>³

Hence, the density of the N</span>₂O at 325 K and 113.0 kPa is 1.84 kg m⁻³.

<span>
Assumption made is "N</span>₂O gas has an ideal gas behavior".

 

6 0
3 years ago
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