Question 2: Answer is (B), Soil Conservation Act (1936)
Hope that helps!!!
Answer:
1.2*10^24 molecules of CF4
Explanation:
the molar mass of cf4 is 88.0043 g/mol
176/88.0043 = 2 moles of CF4
Then multiply by avogadro's number (6.022*10^23) to get the number of molecules
2*6.022*10^23 = 1.2*10^24 molecules of CF4
K is Potassium
Cl is Chlorine
There are 2 elements.
Chemical, because it is breaking down the chemical and properties in the candle itself.