Find δhrxn for the following reaction: 2cds(s)+3o2(g)→2cdo(s)+2so2(g) use the following reactions with known δh values: 2h2s(g)s(s, rhombic)cdo(s)+++o2(g)o2(g)h2s(g)→→ →2s(s, rhombic)so2(g)cds(s)++2h2o(g)h2o(g) δh=−442.4 kjδh=−296.8 kjδh=−124.7 kj

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

Jessica is traveling from miami, florida, to chicago, illinois. using the map, tell one way the land will change during the second half of her trip.

The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what