Answer: it is called the ovary
Answer: B2H6 (g) + 3O2 (g) → B2O3 (s) + 3H2O (g) (ΔH = -2035 kJ/mol) 3H2O (g) → 3H2O (l) (ΔH = -132 kJ/mol) 3H2O (l) → 3H2 (g) + (3/2) O2 (g) (ΔH = 858 kJ/mol)
Explanation: ??
Answer:
2. A
3.B
4.B
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Elements are substances that contain only 1 kind of atom.
Sound travels through gases faster than it travels through liquids
