70.23g of sodium will react with ethyl alcohol to give (a)1 mole of H2 (b)0.5 mole of H2 (c)1 mole of O2 (d)1 mole of NaOH
bela20april2004
Asked:
December 2022
the number of gram-atoms of oxygen in 6.022*10^24 CO molecules is (a)1 (b)0.995 (c)190 (d)9
bela20april2004
Asked:
December 2022
A vector A which has magnitude of 6 is added to a vector B which is along x-axis. The resultant of two vectors A and B lies along y-axis and has magnitude twice that of the magnitude of vector B. the magnitude of vector B is
Convert 1 watt-hour to Joule by dimensional analysis method.
bela20april2004
Asked:
December 2022
The resultant of three vectors of magnitudes 1, 2 and 3 unit and whose directions are along the sides of an equilateral triangle taken in the same order is :(a)1 unit (b)root 6 units (c)root 3 units (d)root 14 unitsPLEASE SHOW ME STEP BY STEP CALCULATIONS :)