Discover Questions

How many molecules are in 97.8g of FeCl3? Verify that M(u,v)=A +u(B-A) +v(C -A) ( A,B,C vectors) is a parametric representation of surface of the triangle A(1,0,0) B(0,-1,2) C(0,2,1)? Problem involving math induction! If m and n are distinct real numbers, prove that (m+2)^2 = (n+2)^2 if and only if x+y=-4? When the pressure that a gas exerts on a sealed container changes from -atm to 1.80 atm, the temperature changes from 86.0 C to 30.0 C.? Name a class of annelids whose members may have protonephridia?