What is the net force on an 800 kg airplane flying with a accleration of 3 m/s/s?

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?

The identities of substances are the same before and after which type of change