Copy and complete 14 to 18. Calculate the number of moles of oxygen molecules needed for the complete combustion of the substance named.
14 24 g of carbon (A, 12)
C + O2 → CO2
15 32 g of methane CH(A, H1, C 12) CHA + 202 → CO2 + 2H20
16 24 g of carbon (A, C-12)
2C+ O2 + 2002
17 88 g of propane CHS (A, H1, C 12) C:Hg + 502 — 3CO2 + 4H2O

Two liquids are shaken together in a test tube to produce a mixture that quickly separates into two layers. which of the following best describes the behavior of the above pair of substances? soluble insoluble miscible immiscible

When a nucleus absorbs a neutron and then breaks apart, there are many products of the reaction. what is not a product of a nuclear fission reaction

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean