I believe the answer is the first one <span>NaH</span>
Answer: B volume
Explanation: that tool is used to measure volume or liquid
Answer:
3 o2(g)
Explanation:
the reaction releases 3 moles O2 --- enthalpy per mole
just divide -284.6 / 3
neg. heat of reaction (enthalpy) means energy is released by the reaction
The answer is actually 13 you divide 55 miles by the hours to get 12.9 which you round to 13
Answer:
Phosphorus pentachloride
Explanation: P is Phosphorus, Cl is Chlorine. Penta is latin for 5.