1-¿Cuáles son las 5 formas más comunes de identificar un cambio químico? 2-Escribe tres ejemplos de cambios químicos en los que se observe un cambio temperatura sin aplicar calor.
3-Escribe tres ejemplos de cambios químicos en los que se observe un cambio de color

Which type of stress results when two plates push against one another? a. compression b. tension c. force d. shear

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.