As shown +
A Sample of propane C3H8, was completely
burned in air at StP. The reaction occured
C₂ Hg + O₂ CO₂ + H₂O
If 3 mol of CO2
were produced and
all the carbon in the co2 came from
the propane, what was the mass of
the propane Sample ?

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

Animals that reproduce sexually either do it through external or internal fertilization. read the following statement and decide if it is true or false. birds reproduce through external reproduction which is because the female will then be able to protect the egg.

How many liters of water can be produced from 5.0liters of butane gas at stp, assuming excess oxygen? c4h10(g) + 02(g) → co2 (e) + h2o (g)