Find the ah and au for the target reaction at 25 c. use the given information target: h2so4(1) ► s03(g) +h2o(g) given (at 25 c) h s(g) +2 o2(g) → h2so4(1) ah=-235.5 kj/mol h2s(g) +2 02(g) → so2(g) + h2o(1) ah = -207 kj/mol h2o(l) → h2o(g) ah = 44 kj/mol

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.