¿Qué masa de HCl se nesesita para que reaccionen 20gr de Ca, según la reacción?​

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

Remember to use the proper number of significant figures and leading zeros in all calculations.gelatin has a density of 1.27 g/cm³. if you have a blob of gelatin dessert that fills a 2.0 liter bottle, what is its mass? 2540 g2500 g3.9 x 10-43.937x 10-4

How are isotopes of the same chemical element alike? how are they different?