What mass of Na is needed to react with H2O to liberate 165 L H2 gas at STP, accord- ing to the equation below? 2 Na(s) + 2 H2O(l) - H2(g) + 2 NaOH(aq)

Answer in units of g. Your answer must be within + 3.0%​

Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.

Is hydrogen gas a reactant or product

The activation energy for a(n) is quite large and usually takes extra energy from the environment, it is normally not a natural spontaneous process. combustion reaction endothermic reaction exothermic reaction catalyzed reaction