Calculate the value of q (kj) in this exothermic reaction when 1.80 g of methane is combusted at constant pressure.

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

The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n

Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?