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egoroff_w [7]
3 years ago
6

All of the following will be damaging to the environment except

Chemistry
2 answers:
Umnica [9.8K]3 years ago
3 0
Adding fertilizer to stimulate the aquatic plant growth, and putting research and money into renewable energy
Lelechka [254]3 years ago
3 0

Answer:putting research and money into renewable energy.

Explanation:

Increasing the lead emission is likely to cause pollution in air, water and soil.

Pouring petroleum to steams will also cause steams pollution.

Addition of fertilizers to stimulate plant growth will likely to increase the abundance of toxic chemicals in land and water which will lead to contamination of land and water. All these situations are responsible for damaging the environment.

Putting research and money into renewable energy will not cause damage to the environment. As the energy harnessed by the renewable sources of energy like solar energy, tidal energy, geothermal energy will not produce pollution.

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Potassium nitrate has a lattice energy of -163.8 kcal/mol and a heat of hydration of -155.5 kcal/mol.
Brut [27]

Answer:

<em>293.99 g </em>

OR

<em>0.293 Kg</em>

Explanation:

Given data:

Lattice energy of Potassium nitrate (KNO3) = -163.8 kcal/mol

Heat of hydration of KNO3 = -155.5 kcal/mol

Heat to absorb by KNO3 = 101kJ

To find:

Mass of KNO3 to dissolve in water = ?

Solution:

Heat of solution = Hydration energy - Lattice energy

                           = -155.5 -(-163.8)

                           = 8.3 kcal/mol

We already know,

1 kcal/mol = 4.184 kJ/mole

Therefore,

= 4.184 kJ/mol x 8.3 kcal/mol

= 34.73 kJ/mol

Now, 34.73 kJ of heat is absorbed when 1 mole of KNO3 is dissolved in water.

For 101 kJ of heat would be

= 101/34.73

= 2.908 moles of KNO3

Molar mass of KNO3 = 101.1 g/mole

Mass of KNO3 = Molar mass x moles

                         = 101.1 g/mole  x  2.908

                         = 293.99 g

                         = 0.293 kg

<em><u>293.99 g potassium nitrate has to dissolve in water to absorb 101 kJ of heat. </u></em>     

4 0
3 years ago
♔♔Can water stay liquid below zero degrees Celsius?✞♡♡♡​
astra-53 [7]

Answer:

Yes, water can stay liquid below zero degrees Celsius. There are a few ways in which this can happen. The freezing point of water drops below zero degrees Celsius as you apply pressure. When we apply pressure to a liquid, we force the molecules to get closer together.

Explanation:

Hope this helps you. Have a nice day.^_^

Please mark as brainliest. It helps a lot:)

6 0
3 years ago
Read 2 more answers
Oh hi thanks for checking in I’m still a piece of garbage ^_^^_^^_^^_^^_^^_^^_^^_^^_^^_^^_^^_^^_^^_^^ - ^
Ad libitum [116K]

Answer:

True

and same lol

7 0
3 years ago
Read 2 more answers
A three dimensional circular shape
Bond [772]
A three dimensional circular shape would be a sphere :)
4 0
3 years ago
Read 2 more answers
Determine the balanced chemical equation for this reaction.C8H18(g) O2(g)→CO2(g) H2O(g)Enter the coefficients for each compound
sashaice [31]

Answer:

2C₈H₁₈(g) + 25O₂(g)→16CO₂(g) + 18H₂O

Explanation:

To balance an equation, the moles of one element on one side of the equation should be the same as those on the other side of the equation. This is because (as a law of thermodynamics), in a chemical reaction, the matter is not destroyed nor created - atoms are only rearranged.

4 0
3 years ago
Read 2 more answers
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