Which of the following changes would decrease the rate of a reaction between vinegar and sodium hydroxide? a) heating up the vinegar b)diluting the vinegar c)grinding up the sodium hydroxide d)decreasing the volume of the container

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.

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.