P and Q arer two elements which form `P_(2)Q_(3)` and `PQ_(2)`. If 0.15 mole of `P_(2)Q_(3)` weights 15.9 g and 0.15 mole og `PQ_(2)` weighs 9.3 g then, what are atomic weights of P and Q ?

P and Q are two element that form P_(2) Q_(3) and PQ_(2) . If 0.15 mole of P_(2) Q_(3) weighs 15.9 g and 0.15 mole of PQ_(2) weighs 9.3 g , what are the atomic weights of P and Q ?

Two elements P and Q combine to form two different compounds in stoichimetric ratios of 1:2 and 1:3.If 0.25 mole of 1^(st) compound weighs 16 g and 0.05 mole of 2^(nd) compound weighs 4 g, then the atomic weighs of P and Q respectively are

The equilibrium constant K_(c) for the reaction P_(4)(g)hArr 2P_(2)(g) is 1.4 at 400^(@)C. Suppose that 3 moles of P_(4)(g) and 2 moles of P_(2)(g) are mixed in 2 litre container at 400^(@)C. What is the value of reaction quotient (Q_(c)) ?

The equilibrium constant K_(c) for the reaction P_(4)(g) hArr 2P_(2)(g) is 1.4 at 400^(@)C . Suppose that 3 moles of P_(4)(g) and 2 moles of P_(2)(g) are mixed in 2 litre container at 400^(@)C . What is the value of reaction quotient (Q) ?

The equilibrium constant K_(c) for the reaction P_(4(g)) hArr 2P_(2(g)) is 1.4 at 400^(@) C. Suppose that 3 moles of P_(4(g)) and 2 moles of P_(2(g)) are mixed in 2 litre container at 400^(@) C. What is the value of reaction quotient (Q_(c)) ?

If P(-1,2) and Q(3,-7) are two points, express the vector PQ in terms of unit vectors hati and hatj also, find distance between point P and Q . What is the unit vector in the direction of PQ ?

Let P and Q be 3xx3 matrices with P!=Q . If P^3=""Q^3a n d""P^2Q""=""Q^2P , then determinant of (P^2+""Q^2) is equal to (1) 2 (2) 1 (3) 0 (4) 1

If p and q are roots of the quadratic equation x^(2) + mx + m^(2) + a = 0 , then the value of p^(2) + q^(2) + pq , is

If p and q are zeros of 3x^2+2x-9 . then value of p-q