The chemical equation below shows the burning of magnesium (mg) with oxygen (o2) to form magnesium oxide (mgo). 2mg + o2 2mgo the molar mass of o2 is 32. 0 g/mol. What mass, in grams, of o2 is required to react completely with 4. 00 mol of mg? 2. 00 64. 0 128 256.

Students will know how much aid they will be getting once they receive an from the college

Tortoise shells and snail shells are similar in function: they protect the organism from predators. based on a comparison of the organisms in the images, what can you conclude? 1. tortoises and snails have homologous organs, and they’re evolutionarily related. 2. tortoises and snails have homologous organs, and they belong to same species. 3. tortoises and snails have analogous organs, and they belong to the same species. 4. tortoises and snails have analogous organs, and they don’t belong to the same species. 5. tortoises and snails have analogous organs, and they aren’t evolutionarily related.

Essay on sustainable development of soiciety