Explain why is it necessary to Intergate the intensity of the peak before you plot it on the calibration curve. What is the risk of not integrating the peak and using the intensity from a single wavelength

Question 16 A group of students completed an experiment to determine the effect of temperature on the solubility of a substance. Use the data given in the table to graph the results of the experiment using Excel (or other graphing software). Add a line of best fit, the equation for the line and the R2 value. Upload your graph. Temperature (°C) 5 15 25 35 45 55 Solubility (mM) 5.0 4.5 4.0 3.5 3.0 2.5

How many red blood cells are needed to make a line 1 in.in. long?

2. Calculate the [I] (after dilution in the 50.00 mL flasks) for the four standard solutions you make up in part B. Use the data given in Table B and show all calculations. Round your answers to the correct number of significant figures. Record these values on the spreadsheet template before the lab.

35 - How many mL solution should be taken from 0.900 M K2SO4 solution to prepare 250 mL of 0.450 M K2SO4 solution?     A) 45  B) 95  C) 125  D) 15  E) 25

5. Which substance was/is insoluble in water ? Group of answer choices A. salt B. sodium hydroxide C. Sand D. ammonium chloride

Write a chemical reaction that takes place during soap aging

How many milliliters of 0.105 M HCl are needed to completely neutralize 40.0 mL of 0.108 M Ba(OH)2 solution? Express the volume in milliliters to three significant digits. V = %3D mL Submit Request Answer

What volume of carbon dioxide at STP can be formed from 600 mL of a 2.0 mol/L HCl solution according to the equation: Na2CO3 + 2 HCl -> 2 NaCl + H2O + CO2

The pKb of water is _______.(a) 1 (b) 7 (c) 14 (d) not defined (e) none of the above