[单选题]
The following graph represents the change of cupatshk +.o (5q a ;q81l0pigtoncentration of a gaseous reactant; k1t 5.sg0atpq8op(l iuqh+ah,r x cdue2;1j o/tu :(q2eq6tprjq, p and gaseous product during aqx16r;tqu2o(q d :cu p,ej jp2r/eth , reaction. At t=10mins, the temperature is increased and at t=15mins, the volume of the reaction vessel is increased.
A. Enthalpy change of forward reaction is Exothermic;Moles of gasis is Reactants more than the products
B. Enthalpy change of forward reaction is Exothermic;Moles of gasis is Reactants less than the products
C. Enthalpy change of forward reaction is Endothermic ;Moles of gasis is Reactants more than the products
D. Enthalpy change of forward reaction is Endothermic;Moles of gasis is Reactants less than the products