Answer:
you need to provide more info to your question
Explanation:
<span>It is classified as a homogeneous mixture because you cannot see any of the parts of the solution because they've been mixed perfectly.</span>
Answer:
pure hydrogen is a pure substance even though it consists of many different types of molecules. what makes it pure substance is that it is free from contamination.
Answer:
D
Explanation:
∆H° = ∆Hf ° (products) – ∆Hf ° (reactants)
