Answer:
so 0.15 moles X 22.4 dm3/mole=3.36 dm3. Next we find the moles of hexane combusted, and then the moles of CO2. Finally, we find the volume of CO2 using the fact that at STP, 1 mole of gas = 22.4 dm3.
Answer:
okay so, 20 Ca goes to group 2A and the chemical group family is alkaline earth metal family
54 Xe goes to group 8A the chemical group family is the noble gas family
37 Rb goes to group 1A the chemical group family is alkali metal family
17 Cl goes to group 7A the chemical group family is the halogen family
Explanation:
It's Bromine(Br-) Group 17 element that has 7 valence electrons on the fourth energy level.
Answer:
1.Gamma Rays
2. Infrared
3. Radio Waves
Explanation:
Radio waves have the longest wavelength, and gamma rays have the shortest wavelength.
