A 24.5 liter balloon holding 4.5 moles of carbon dioxide leaks. If we are able to determine that 2.5 moles of carbon dioxide escaped before the container could be sealed, what is the new volume of the container? Show work

0.09 moles of sodium sulfate in 12 ml of solution

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.

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.