Exactly one mole of an ideal gas is contained in a 2.00-liter container at 1,000 K. What is the pressure exerted by this gas?
2 answers:
Answer : The pressure of the gas is, 41.025 atm
Solution :
Using ideal gas equation :
where,
n = number of moles of gas = 1 mole
P = pressure of the gas = ?
T = temperature of the gas = 1000 K
R = gas constant = 0.08205 L.atm/mole.K
V = volume of gas = 2.00 L
Now put all the given values in the above equation, we get the pressure of the gas.
Therefore, the pressure of the gas is, 41.025 atm
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Answer: Energy of reactants = 30, Energy of products = 10
Exothermic
Activation energy for forward reaction is 10.
Explanation:
Exothermic reactions are defined as the reactions in which energy of the product is lesser than the energy of the reactants. The total energy is released in the form of heat and for the reaction comes out to be negative.
Energy of reactants = 30
Energy of products = 10
Thus as energy of the product < energy of the reactant, the reaction is exothermic.
Activation energy is the extra energy that must be supplied to reactants in order to cross the energy barrier and thus convert to products.
for forward reaction is (40-30) = 10.