The first law of thermodynamics usually applies to situations where Question 1 options:

thermal energy is converted to mechanical energy

chemical energy is converted to electrical energy

light energy is converted to sound energy

nuclear energy is converted to sound energy

they are made of gases.

they have a spherical shape.

they make energy through fusion.

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.