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kogti [31]
3 years ago
13

Burning biomass _____. releases fewer toxins than coal releases more toxins than natural gas is a nonrenewable energy source doe

sn't produce any waste
Chemistry
2 answers:
kogti [31]3 years ago
7 0

The correct answer is releases fewer toxins than coal.


babymother [125]3 years ago
5 0
I think the correct answer from the choices listed above is the first option. Burning biomass releases fewer toxins than coal. When coal is burned, it releases<span> many </span>toxic<span> gases and pollutants into the atmosphere which is not favorable to the people and for the environment. Hope this answers the question.</span>
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energy that comes from the heat of the earth's core is known as: solar energy hydro energy geothermal energy wave energy
Alecsey [184]
Energy that comes from the heat of the Earth's core is known as geothermal energy.
Solar energy comes from the Sun, hydro energy from water, and wave energy from wind and waves.
7 0
3 years ago
Read 2 more answers
What is the molality of a solution that is obtained by dissolving 2.922 g of NaCl into 1000.0 g of water if the molar mass of Na
never [62]
In order to find molarity, you must first find the number of moles that was dissolved.

Now, Moles = Mass ÷ Molar Mass
                   
⇒  Moles of NaCl  = 2.922 g ÷ 58.44 g/mol 
                       
                               = 0.05 moles

∴ the Molarity of the NaCl is 0.05 M [Option 1]
4 0
3 years ago
Classify each of the following properties by writing physical or chemical matter
Ivenika [448]
1. Physical matter
2. Chemical matter
3. Physical matter
4. Physical matter
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6 0
3 years ago
 Consider a bathtub filled with water, with a plug in the drain. How long would this be considered a closed system?
Monica [59]
For a closed system, you need two things:
1) a conservation of mass within the boundaries of the system
2) the ability to freely exchange energy to & from the "closed" system with a surrounding external system


So, the answer is <u><em>never</em></u>, since your defining the "system" as the water within the bathtub, and an open bathtub is exposed to evaporation, which is not conserving mass within the defined "system".
8 0
3 years ago
Read 2 more answers
2Al(s)+Fe2O3(s) → Al2O(s)+2Fe(s) with a delta H=-847 KJ.
Scrat [10]

∆H for given reaction -847kJ

  • As it's negative reaction is exothermic

So

2 mol of Al releases 847KJ heat

4 mol Al releases

  • 2(847)
  • 1694KJ

∆H=-1694KJ

5 0
2 years ago
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