A chemical reaction absorbs energy which means it is endothermic reaction.
The reaction is endothermic if the energy of products is more than the energy of reactants.
The energy of products is more means that the bond energy of products is more than the bond energy of reactants.
so breaking of bond needs energy which is greater than the energy released in making of new bonds.
Enthalpy of reaction = Bond energy of reactants - Bond energy of products.
Answer:
234.35 °C
Explanation:
Given data:
Volume of balloon = 125000 mL
Moles of oxygen = 3 mol
Pressure = 1 atm
Temperature = ?
Solution:
Formula:
PV = nRT
P = Pressure
V = volume
n = number of moles
R = ideal gas constant
T = temperature
Volume of balloon = 125000 mL × 1 L /1000 mL
Volume of balloon = 125 L
Now we will put the values:
Ideal gas constant = R = 0.0821 atm.L/mol.K
PV = nRT
T = PV/nR
T = 1 atm × 125 L/ 0.0821 atm.L/mol.K × 3 mol
T= 125 /0.2463 /K
T = 507.5 K
K to °C
507.5 K - 273.15 = 234.35 °C
Answer: hope it help
Explanation:
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