# Posts by HongKit

Total # Posts: 2

**math**

A vector equation for a given straight line is r = (i + 3j) + lambda (-i - j) Construct a vector equation for the line that does go through the point (1,2), and is perpendicular to r. and Determine the point of intersection of the two lines

**chemistry**

Q1) How many resonances are expected in the 13C NMR spectrum of propan-1-ol? Q2) A student measures the EMF of the following electrochemical cell at 31oC in a solution that is 0.22 molL-1 in Hg2+ against a Saturated Calomel Electrode as the reference. The reduction potential ...