Answer:
A
Explanation:
always more reactants than products
The famous formula E=mc^2 really says that mass and energy are the same thing, but measured in different units. So the separate laws of conservation- one for mass and the other for energy- are now merged into one law.
Einstein's theory of special relativity (1905) shows that matter (as mass) and energy can be converted into each other according to the famous equation E = mc2, where E is energy, m is mass, and c is the speed of light.
<em>Hope</em><em> </em><em>It</em><em> </em><em>helps</em><em> </em><em>you</em><em>.</em>
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:
A
Explanation:
because number of particle = moles × 6.02 × 10^23
which gives the answer as an A
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