Calculate the pressure exerted by 40 g of oxygen enclosed in a 1litre flask at 25°C. (0=16) (3 Marks) ​

How many grams of n2h4 will be consumed by 23 g of n2o4

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out