How many grams of carbon are present in 45.0g of ccl4

Classify each statement about effective nuclear charge, zeff, as true or false.

Which formula can be used to calculate the molar mass of hydrogen peroxide

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.