The chemical equation below shows the combustion of propane (C3H8). C3H3 + 502-3CO2 + 4H2O
The molar mass of oxygen gas (O2) is 32.00 g/mol. The molar mass of CzHe 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 step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size

In pqr m< p=60 m< q= 30 and m