D) It is transferred to the air via the process of radiation.
Answer:
2 half lives.
Explanation:
Suppose there are 100g of parent isotope at the start.
After 1 half-life there will be 50g of parent and 50g of daughter isotope.
After another half life there is 25 g of parent and 75g of daughter isotope.
<h2>
D) 46.07 g/mol</h2>
The molar mass is given by the sum of the atomic masses of the component elements of the substance.
In our case, the substance is ethanol or C₂H₅OH.


Answer: combustion
Explanation:
Combustion reactions can be identified by looking at the reactants and the products.
Usually, the reactants will be a hydrocarbon and oxygen. And the products will be CO2 and H2O