False, because generally forensics collect the evidence to make sure the evidence doesn’t get damaged or tainted.... hope this helps
A scientific control is an experiment or observation designed to minimize the effects of variables other than the independent variable.
Answer: 0.335 mols Ca(NO3)2
Explanation: To go from grams to mols you divide grams by the molar mass of the substance so, 55/164.088 = 0.335
Answer:
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This is a difficult task because zinc is much more active than copper and could hardly be passivated. ... The sur- face immediately turns white (the color of copper(I) iodide) and the yellow-brown color of iodine quickly fades. Rinse the coin with water, brighten it with polish and cloth and begin the whole process again.N
