D will because water just turns from liquid to a gas by adding heat. That is a physical change. The other equations are chemical changes.
collect this money and use it to finance social projects
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The answer is C. Since aluminum reacts with chloride displacing only Copper.
The correct answer for this question is this one: " a.The solution has a volume of 25 mL "
The observation that shows a quantitative observation is when you are talking about numeric data. Just like this one, <em>The solution has a volume of 25 mL </em>
Hope this helps answer your question and have a nice day ahead.
