How many liters of a 0.75 M solution of Ca(NO3)2 will be required to react with 148 g of Na2CO3? Ca(NO3)2 + Na2CO3 ⟶ CaCO3 + 2NaNO3

Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol

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.

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal