Los cambios físicos cambian sólo de forma? Cierto o falso

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass

Explain what happens at the saturation point when adding salt to water at room temperature.

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.