The chemical equation below shows the combustion of propane (c3h8).
c3h8 + 5o2 mc012-1.jpg 3co2 + 4h2o
the molar mass of oxygen gas (o2) is 32.00 g/mol. the molar mass of c3h8 is 44.1 g/mol. what mass of o2, in grams, is required to completely react with 0.025 g c3h8?
a) 0.018
b) 0.034
c) 0.045
d) 0.091

Which of the following reasons best explains why a scientist would want to replicate gregor mendel's pea plant experiment? a. to discover new aspects of the natural world b. to test the predictions of current theories c. to explain recently observed phenomena d. to test the conclusions of prior investigations