If you have 3.54 g of h2, how many grams of nh3 can be produced?

Which of the following statements is not true? • a. covalent compounds have low melting and boiling points. • ob. covalent bonds between atoms of a compound are relatively weak compared to bonds between molecules. • c. covalent bonds occur between nonmetals. • d. covalent compounds are often gases or liquids.

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false

How much carbon is stored in the atmosphere as co2