For the complete combustion of 1.000 mole of ethane gas at 298 K and 1 atm pressure, AH = -1560 kJ/mol. What will be the heat released when 4.42 g of ethane is combusted under these conditions?

-230 kJ
230 kJ
10588 kJ
-10588 kJ
none of these

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

Which factor is likely to impact the possible number of compounds ?