CH4 + 2 02 CO2 + 2 H2O AHx = -802.3 kJ Is the reaction exothermic or endothermic
If 1825 kJ of heat is released, how many grams of water will be produced?
If 58.5 g of CH4 reacts how much heat is released?

If you add 10ml of hot water to 10ml of cold water and the change in tempature 8°c calculate how much energy is gained by the cold water

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

What is the atomic number of an atom that has 6 protons