Does the production of a new gas by a substance represent a chemical property. explain?

Part of molten rock at mid-ocean ridges

Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?