Density of gold = 19.3 g/mL
Density can be calculated from volume and mass of a substance as follows,
Given the volume of gold nugget = 5.40 mL
Calculating the mass of gold nugget from density and volume:
Therefore, the mass of the nugget is 104.22 g
<span>The Three R's: Reduce, Reuse and Recycle. The three R's - reduce, reuse and recycle - all help to cut down on the amount of waste we throw away. They conserve natural resources, landfill space and energy.
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Answer: 5. Positive
6. Negative
9. Oxygen carbon hydrogen nitrogen
Explanation:
They speed up reactions by lowering activation energy. Many enzymes change shape when substrates bind.
