El edificio majestic ubicado en Bucaramanga se mece con una frecuencia aproximada a 0.10 hz cuál es el período de la vibracion​

What defines the mass number of an isotope? a. the sum of the neutrons and protons b. the sum of the neutrons and electrons c. the number of neutrons d. the number of protons

When you turn on a battery-operated device, an electrical circuit is

5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.