1. Write the balanced chemical equation for the reaction you are performing. Data Trial 1 Trial 2
Mass of empty crucible with lid 26.694 26.689
Mass of Mg metal, crucible, and lid 26.964 26.950
Mass of MgO, crucible, and lid 27.135 27.117

Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.