What are the products of the chemical reaction of baking soda and vinegar and what is the identity of the gas

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

Which metal exist in liquid state and can be cut with knife ?

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.