Discover Questions

Write the equation of a line that is perpendicular to y= -1 and that passes through the point (8, -4)? Forgot to write down my observations but for all those chemists out there, what is the color of a 0.1 M K2C2O4 solution? ALGUIEN CONOCE AL C.P. JOSE ROBERTO CHANTELL FERNANDEZ? Find the volume of the parallelepiped determined by the vectors a, b, and c. a = <1,4,3>
b = < -1,1,3>
c = <3,1,5>? In 56 g of Na2SO4, how many moles of electrons?