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Yakvenalex [24]
3 years ago
15

The vibrations in the primary (p) and secondary (s) seismic waves caused by earthquakes are

Biology
1 answer:
saveliy_v [14]3 years ago
8 0
Perpendicular to the direction of travel for S waves and along the direction of travel for P Waves
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Multiply by the power of the eyepiece, usually 10x.
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Compare and Contrast Viruses and bacteria in regard to their structure.<br> Bacteria:<br> Viruses:
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The twisted ladder shape of DNA
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C. Double helix

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In the exercise to determine the concentration of a solution of CuSO4, for the
Soloha48 [4]

Answer:

This question is incomplete

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Experimentally, when trying to determine the concentration of an unknown sample of CuSO₄ with known absorbance, a standard curve is used. The standard curve is a scattered plot/graph in which known concentrations and there respective/corresponding absorbance are plotted on a "X and Y axis" graph (scattered plot). The absorbance is represented on the y-axis while the concentration is represented on the x-axis.

Once this known values are plotted on the standard curve, an unknown value (either absorbance or concentration) can be extrapolated from the curve. What is missing from the question is data required for the standard curve.

This question shows the absorbance of the CuSO₄ has been determined (most likely using spectrophotometer), the concentration could have been extrapolated from a standard curve.

An example of a standard curve is provided in the attachment for guidance.

Download docx
5 0
3 years ago
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