Calcule la concentración molal de una solución de C2H5OH de densidad 1.026g/cm3 y 90% en peso del alcohol.

50 pts plz what is the physical state of matter of baking soda.

Write the overall equation for the reaction for lithium battery

To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. a chemical engineer places a mixture of noble gases consisting of 4.37 g of he, 13.36 g of ne, and 36.65 g of kr in a piston-cylinder assembly at stp. calculate the partial pressure in torr of kr.