What mass of ammonium thiocyanate () must be used if it is to react completely with 7.1 g barium hydroxide octahydrate?

It takes 945.kj/mol to break a nitrogen-nitrogen triple bond. calculate the maximum wavelength of light for which a nitrogen-nitrogen triple bond could be broken by absorbing a single photon.

For each of the compounds below, show that the charges on the ions add up to zero. a. kbr b. cao c. li(2)o d. cacl(2) e. alcl(3)

Is laundry detergent an acid or a base?