Among the substances that react with oxygen and that have been considered as potential rocket fuels are diborane [B2H6(9), which produces B₂O3(s) and H₂O(g)], methane [CH4(9), which produces CO2(g) and H2O(g)], and hydrazine [N₂H4(/), which produces N₂(9) and H₂O(g)]. On the basis of the heat released by 2.72 kg of each substance in its reaction with oxygen, and assuming that thermal energy is the most desirable property in rocket designs, evaluate the possibility of each being used as a rocket fuel. (Hint: Use the Supplemental Data to compute AH° in kJ/mol, and surr in MJ for each fuel. Enter unrounded values.) diborane AH° rxn -2035.3 kJ/mol -199.999284 MJ rxn 9 surr methane дно -802.5 rxn 9 surr kJ/mol hydrazine AH° -136.000725 MJ -534.2 rxn 9 surr kJ/mol -45.342896 | MJ Which of these compounds offers the best possibility as a rocket fuel? diborane O hydrazine methane
Among the substances that react with oxygen and that have been considered as potential rocket fuels are diborane [B2H6(9), which produces B₂O3(s) and H₂O(g)], methane [CH4(9), which produces CO2(g) and H2O(g)], and hydrazine [N₂H4(/), which produces N₂(9) and H₂O(g)]. On the basis of the heat released by 2.72 kg of each substance in its reaction with oxygen, and assuming that thermal energy is the most desirable property in rocket designs, evaluate the possibility of each being used as a rocket fuel. (Hint: Use the Supplemental Data to compute AH° in kJ/mol, and surr in MJ for each fuel. Enter unrounded values.) diborane AH° rxn -2035.3 kJ/mol -199.999284 MJ rxn 9 surr methane дно -802.5 rxn 9 surr kJ/mol hydrazine AH° -136.000725 MJ -534.2 rxn 9 surr kJ/mol -45.342896 | MJ Which of these compounds offers the best possibility as a rocket fuel? diborane O hydrazine methane
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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![Among the substances that react with oxygen and that have been considered as potential rocket fuels are diborane [B2H6(9),
which produces B₂O3(s) and H₂O(g)], methane [CH4(9), which produces CO2(g) and H2O(g)], and hydrazine [N₂H4(/), which
produces N₂(9) and H₂O(g)].
On the basis of the heat released by 2.72 kg of each substance in its reaction with oxygen, and assuming that thermal energy
is the most desirable property in rocket designs, evaluate the possibility of each being used as a rocket fuel. (Hint: Use the
Supplemental Data to compute AH° in kJ/mol, and surr in MJ for each fuel. Enter unrounded values.)
diborane
AH°
rxn
-2035.3
kJ/mol
-199.999284 MJ
rxn
9 surr
methane
дно
-802.5
rxn
9 surr
kJ/mol
hydrazine
AH°
-136.000725 MJ
-534.2
rxn
9 surr
kJ/mol
-45.342896 | MJ
Which of these compounds offers the best possibility as a rocket fuel?
diborane
O hydrazine
methane](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6e68433c-fe04-4cba-83a5-718f8ed7a40c%2F3aae50f9-f0f1-48d1-8194-20384665157b%2Fkr000jo_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Among the substances that react with oxygen and that have been considered as potential rocket fuels are diborane [B2H6(9),
which produces B₂O3(s) and H₂O(g)], methane [CH4(9), which produces CO2(g) and H2O(g)], and hydrazine [N₂H4(/), which
produces N₂(9) and H₂O(g)].
On the basis of the heat released by 2.72 kg of each substance in its reaction with oxygen, and assuming that thermal energy
is the most desirable property in rocket designs, evaluate the possibility of each being used as a rocket fuel. (Hint: Use the
Supplemental Data to compute AH° in kJ/mol, and surr in MJ for each fuel. Enter unrounded values.)
diborane
AH°
rxn
-2035.3
kJ/mol
-199.999284 MJ
rxn
9 surr
methane
дно
-802.5
rxn
9 surr
kJ/mol
hydrazine
AH°
-136.000725 MJ
-534.2
rxn
9 surr
kJ/mol
-45.342896 | MJ
Which of these compounds offers the best possibility as a rocket fuel?
diborane
O hydrazine
methane
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