1. Un radiador de microondas que se utiliza para medir la rapidez de los automóviles emite una radiación cuya frecuencia es 1.2 x 109 Hz. ¿Cuál es la longitud de onda? (R=250 mm)

The boiling point of liquids is very high what does it indicate

As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter

Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.