Answer: B
Explanation:
There is an atom of one type of element and then two atoms of another type of element.
It is endothermic and the ∆H = +393.5 kJ.
The chemical name of Hc2h3o2 is Acetic Acid.
Answer:
When 0.250 moles of a gas is placed in a container at 25 °C, it exerts a pressure of 700 mm Hg.
Explanation: