4 1 point
A gas system has pressure, volume and temperature of 859 torr,
6.75L and 929K, respectively. How many moles of gas are present?
0 101 mol
0 0.0132 mol
0 0.100 mol
0 76.0 mol

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.

Who is better, messi or cristiano, i need this for a chemistry class. asap

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?