What type of reaction is this? Zn + K2 CrO 4 --> K + ZnCro4

A) single replacement
B) double replacement
C) decomposition
D) synthesis

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

Consider this equilibrium: n29) + o2(g) + 2no(c).nitrogen gas and oxygen gas react when placed in a closed container. as the reaction proceeds towards equilibrium, what happens to the rate of thereverse reaction?

Draw the lewis dot structure for each of the following polyatomic ions