Provide the names for the following (3 points each): a) Blank 1 b) Blank 2 c) Blank 3 Last saved 8:04:23 PM ming1 p Questions Filter (8) receint-6935- 20227 CH3 H ||| HIC C C-H 111 CIH H НО. H 8th burk O ACEC C20 Week 12 nelf
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Q: please answer both Mcqs otherwise don't slove
A: Use ideal gas law equation. PV = NKbT For monoatpmic Cv= 3/2 NKb
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- 1) List three factors which would contribure to departure from Nernstian behaviour. 2) Provide as many error sources in calibration of the ISE (up to five).3. a. Briefly explain why internal standardization method is useful inanalytical chemistry?b. Why does a response factor of an instrument’s detector need to becalculated?No need guideline answer if u provide guideline answer I will dislike ok Module Code & Title: CHM9011M Chromatography and Sep Sciences Description of Assessment Task and Purpose: To prepare an SOP for the GC-MS Instrument
- (a) A sample of body serum is to be analysed for sodium by flame emission spectroscopy. 1.00cm3 aliquot of serum was pipetted into each of two 50.0 cm3 volumetric flasks. The firstflask was diluted to volume with deionised water. The absorbance of this first solution was0.350. To the second flask 10.0 cm3 of a 25.0 ppm sodium standard was added and theflask made up to volume with deionised water. The absorbance of this second solution was0.720.(i) Calculate the concentration of the sodium in the body serum in mg dm–3Calculate delt g for Pbl2(s) + Pb2+(aq) +2I-(aq) T= 25C Kp= 8.7x10-9What safety precaution are needed when working with a.) centrifuge b.) Inductively Coupled Plasma mass spectrometry (ICP-MS) c.) stirring hot plate
- Can you tell me if I am doing this correctly? For the thermoeter correction, we are given that: literature value of standard - experimental value of standard at end of melting temperature. I found online that the melting range of pure acetanilide is 113-115. From there I calculated the therometer correction. Substance Melting Point Range Begins/Ends (oC) Interval of Melting (oC) Thermometer Correction for Calibration Data (oC) Corrected Melting Point (oC) Crystallized acetanilide Trial #1 111.9 – 112.9 1.0 2.1 Crystallized acetanilide Trial #2 111.0 – 112.3 1.3 2.7 Crude acetanilide 112.9-115.4 2.5 -0.4 Acetanilide standard Lot # 115.6-116.5 0.9 -1.5 N/ACalculate the amount of phycocyanin in Sample 1 in mg where A620 = 0.193 and A650 = 0.095, taking into account the dilution factor of 100 ul, and the total volume of extract 45ml. Note your answer to 2 decimal places.How the 2D Thin layer Chromatography separation processes are worked? Please shortly wtite at your own words. Answer should be to the point (5-6 lines maximum).
- Discuss and explain the differences that you observe when calibrating with both techniques (AAS and ICP-AES).Structural elucidation of a sample component is possible through point estimation of its components with modern instrumentation methodologies. Additionally, characterization of their chemical nature is possible through qualitative analytical methods. A - If the first statement is TRUE and the second statement is FALSEB - If the first statement is FALSE and the second statement is TRUEC - If both statements are TRUED - If both statements are FALSECalculate the amount of phycocyanin in Sample 1 in mg where A620=0.211 and A650=0.086, taking into account the dilution factor as per question 6 (100ul), and the total volume of extract as per question 4 (140ml) . Note your answer to 2 decimal places