For the reaction p4o10(s) 6h2o(l) ® 4h3po4(aq), what mass of p4o10 must be consumed if 7. 87 × 1023 molecules of h2o are also consumed?.

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.

(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?

Which of the following is a physical property flammability heat of combustion solubility and toxicity