During a synthesis reaction, 3.2 grams of magnesium reacted with 12.0 grams of oxygen. What is the maximum amount of magnesium oxide that can be produced during the reaction? Mg + O2 → MgO (5 points) 5.3 grams 6.5 grams 7.2 grams 9.5 grams

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.

What is the percent by mass of oxygen in fe2o3

The molar mass of nickel(ni) is 58.7 g/mol. how many moles are in an 88 gram sample of nickel?