Explain how carbon is conserved in the carbon cycle.
1 answer:
<h2> Interconversion of energy.</h2>
Explanation:
- Carbon moves from plants and animals to soils in the form of cycle.
- When we take in oxygen we release carbon dioxide gas
into the atmosphere.
- Animals and plants give carbon dioxide gas through the process called respiration and transpiration.
- From fossil fuels carbon moves in the atmosphere.
- The fuels like wood or coal when burned releases carbon dioxide into the atmosphere.
- The Matter is conserved in the carbon cycle as carbon absorbs energy and then it releases the same amount of energy.
- Carbon changes from one form to another, but the total amount of carbon remains the same.
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Answer:
Enthalpy change for the reaction is -67716 J/mol.
Explanation:
Number of moles of in 50.0 mL of 0.100 M of
= Number of moles of HCl in 50.0 mL of 0.100 M of HCl
= moles
= 0.00500 moles
According to balanced equation, 1 mol of reacts with 1 mol of HCl to form 1 mol of AgCl.
So, 0.00500 moles of react with 0.00500 moles of HCl to form 0.00500 moles of AgCl
Total volume of solution = (50.0+50.0) mL = 100.0 mL
So, mass of solution = () g = 100 g
Enthalpy change for the reaction = -(heat released during reaction)/(number of moles of AgCl formed)
=
=
= -67716 J/mol
[m = mass, c = specific heat capacity, = change in temperature and negative sign is included as it is an exothermic reaction]