Please explain the photo attached

Q: Briefly explain what you should do before you dispose of waste or excess materials.

A:

Q: Q9. Which of the following lithography printing causes almost no damage to the mask used during the…

A: Answer : Projection Printing  Proximity printing also have a gap During proximity printing, the…

Q: Question 3 Why is it necessary to run a blank before measuring the absorbance of a sample? O To…

A: Why is it necessary to run a blank before measuring the absorbance of a sample ? The reason is given…

Q: Why do you think polymers have no definite melting point?

A: Here we have to predict why ploymer have no definite melting point.

Q: Please help complete the sub-parts

A: The given answers for #(a), #(b) and #(c) are right.

Q: If a transparent substance (light goes through it) appears red, the substance is _______ res light.…

A: When we see a specific color of an object, it appears to be of that color if it reflects and allows…

Q: Describe Werner’s Theory?

A:

Q: Why is paper used for weighing dry, non-hygroscopic chemicals only? Why is watch glass used…

A: When weighing chemicals, only dry, non-hygroscopic substances may be weighed on paper, otherwise,…

Q: How are impurities separated from bauxite ore to get pure alumina?

A: To find: How are impurities separated form the bauxite ore to get pure alumina

Q: Which of the following is true about heavy metals and their environmental impact? O a. Coffee and…

A: A metal is a substance with a glossy look that conducts electricity and heat reasonably effectively…

Q: based

A: Caffeine's UV absorption spectrum shows two absorption bands peaking at 205 nm and 273 nm, with a…

Q: cadmium * Your answer

A: Electronic configuration is the arrangement of electrons in the atomic orbitals

Q: Aside from reading the SDS sheet, suggest what else can be done to prevent these DCC exposure…

A: DCC is  N,N′-Dicyclohexylcarbodiimide  Basically it is a waxy white solid, used during artificial…

Q: tion 2 How do you call the science that is concerned with the quantitative measurement of light…

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Q: Question 4: Give 3 reason why PMTS are not (or cannot) be used in IR or ATR.

A: Dear student I have given answer to your question in the image format.

Q: None

A: Step 1:  Microwaves radiation are used to measure the rotation of the bond in the molecule. because…

Q: ___________Beer's Law can be applied to what spectroscopic techniques?   All choices are correct…

A: Beers law states that the absorbance (A) is proportional to the concentration (C) and  path length…

Q: How would YOU compare the texture of diorite with the texture of gneiss? Answer in a complete…

A: Diorite: Diorite is a grey to a dark-grey intermediate intrusive igneous rock composed principally…

Q: 7. Fill the absorbance value below; Path length % T 0.2 0.4 0.6 0.8 1.0 25 12.5 6.25 3.125 100 50…

A: The objective of the question is to fill the table with the correct absorbance values for the given…

Q: The coarse focus knob should be adjusted when using this Condenser ΟΙΟ O HPO O LPO lens.

A: Coarse focus knob should be adjusted when using this _ lens.

Q: How does the perspective of the grid change in the first set of photographs?

A: Given How does the perspective of the grid change in the first set of photographs

Q: Charcoal is a good absorbing agent due to its large surface area that can attract particles to its…

A: To solve this problem we have to know about charcoal .

Q: Why is Aluminum a commonly materials used in chips?  Based on mass transfer concepts

A: Aluminum is the metal used to create heat sinks for your computer. A heat sink is designed to…

Q: what are refractory materials?

A: Materials that are inorganic non-metallic materials are called refractories.  They can withstand…

Q: Considering the placement of Cu and I in the periodic table. explain why Cu is used for electrical…

A: Considering the placement of Copper (Cu) and Iodine (I), the reason for employing copper for making…

Q: The Graph

A: The above graph is an example of  (A) yoe Jones plot – This Jones plot is used to determination of…

Q: Help interpreting IR

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: e. Name five types of fire extinguishers and indicate which fires that they can be used to fight.

A:

Q: ОН Br

A:

Q: Which of the ff. wavelengths will avoid the problem of colored samples during turbidity…

A: Answer  Wavelength will avoid the problem of coloured sample…

Q: What is the RF value of this?

A: Rf  = distance travelled by component / distance travelled by solvent.

Q: Which glass can cut off ultraviolet rays?

A: Glass is an amorphous solid. It is transparent in nature. There are many types of glasses and have…

Q: Which of the following statements are true for chemical interference? I. Releasing agents are added…

A: Chemical Interference : It is occurs when the analyte is not totally decomposed in a flame. These…

Q: How do the properties of polymers compare with those of metals?

A:

Q: Br₂ heat or light Br

A: The bromination of alkanes is a substitution reaction in which a hydrogen atom in an alkane is…

Q: Why flame tests are important in chemistry?

A: Salt analysis involves the identification of the cation and anion in an inorganic salt.

Q: Does sunlight affect uv vis spectrophotometer ? is this statement true? ''Sunlight can dim the…

A: Yes sunlight affect UV -Vis spectrophotometer. Yes this statement is true .

Q: _________IR spectrum is normally utilized by analytical laboratories.   Transmittance   Absorbance…

A: IR spectroscopy is a characterization technique used to identify functional groups in a molecule.

Q: Calculate the approximate length of a PVA strand in centimeters, assuming that each monomer unit…

A: The O-C-C bond point in PVA chain is three-sided plannar, bringing about a bond point of 120°.…

Q: How can tungsten be conserved if it accidentally becomes contaminated?

A: Allowing the tungsten to touch the weld pool is one of the most common causes of contamination. This…

Q: Define Rf value

A: Mixture is a type of matter which is composed of two or more substances. These are called as…

Q: What is a skimmer

A: Please find your solution below : In chemistry, in order to separate the mixtures, various…

Q: structure A structure B Select Draw Rings More Erase Select Draw Rings More Erase C N N :N EC - ==…

A:

Q: Compare and Contrast any two microscopy techniques.

A: There are three main types of microscopy: Optical microscopy Single molecule microscopy Stimulated…