Al quemar propano en presencia de oxígeno (O2), se obtienen dióxido de carbono y
agua. Si se queman 10 L de propano en condiciones normales, calcula:
a) Litros de oxígeno en las mismas condiciones que se consumen.
b) Gramos de agua que se forman.

In which of these cases are the two wave points considered to be in phase with each other?

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d