Question

is x=5 a solution of the equation x^2-2x-15=0​

Answer 1

Volume of 1 mol of an ideal gas at STP is 22.71 L/mol. But according to Avogadro Law, volume, V is, V = kn Where k is constant and n is the number of moles. Therefore, volume of 10 g of the CO2 is 5.16 L.

Answer 2

Answer:

Yes it is a solution....

Just put x=5 in the equation...and u get 0 on lhs and rhs....

Hope it helps....