The heat that is released by the combustion of 3.5 moles of methane is 3115 kJ/mol.
<h3>What is a thermochemical equation?</h3>
A thermochemical equation is a reaction equation that incorporates the amount of heat lost/gained.
In this case, the reaction equation is; CH4 + O2 ----->CO2 + 2H2O dH = -890 kJ/mol
If 1 mole of methane releases 890 kJ/mol
3.5 moles of methane will release 3.5 moles * 890 kJ/mol/1 mole
= 3115 kJ/mol
Learn more about combustion reaction:brainly.com/question/12172040?
#SPJ1
Lithium has 1 valence electron and chlorine has 7 valence electrons.
Answer:
When comparing two ions, gaining the same electrons, atomic radii, you can follow the same general rule as regular ionic radius.
Explanation:
In general, Sulfur has a larger atomic radius than Oxygen, as it is lower on the periodic table. Since they both are gaining the same amount of electrons, the trend still applies
Answer:
Hydrogen ion [H]
Explanation:
overall reaction of photosynthesis is given in this two steps equation .
Firstly, oxygen in water is oxidized by the light energy:
2H2O → O2 + 4 [H.]
[H.] reduces the carbon in CO2:
4 [H.] + CO2 → (CH2O) + H2O
This reaction occurs together, to yeild overall reaction
CO2 + H2O → (CH2O) +O2
Where [H.], the overall reducing agent