Answer:
Atom
Explanation:
The smallest unit which maintains an element's properties is an atom.
Answer:
It is a group of compound derived from alkanes containing one or more halogens .
Answer:
D. CH₄(g) + H₂O(g) → CO(g) + 3H₂(g)
Explanation:
A rule of thumb is that there's an increase in entropy if there are more molecules in the products than in the reactants when there's no state change. The only given option where that takes place is option D., as there are two molecules in the reactants and 4 (1 of CO and 3 of H₂) in the products.
Answer:
1. Gases can be easily liquefied into very small volumes and stored in liquid form Eg in LPGA cylinders and used in homes.
2. Balloons can be easily filled with air.
