Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Physics Expert

problem 1)(a) Round off the following numbers to three significant figures :

(i) 75.8437

(ii) 59.873

iii) 68.752

(iv) 67.520

(v) 63.35

(b) Distinguish between:

(i) Precision and accuracy.

(ii) Absolute and relative errors.

(iii) Mean and median.

problem 2)(a) How are weights calibrated?

(b) Describe the term standard deviation.

(c) What are the kinds of errors? How are they minimised?

problem 3)(a) describe the principle, instrumentation and applications of Nephelometry.

(b) Describe briefly about polarography.

problem 4)(a) describe the principle, instrumentation and applications of Amperometry.

(b) Describe the applications of cyclic voltammetry.

problem 5)(a) Describe the theory and applications of IR spectroscopy.

(b) State the applications of Raman spectroscopy.

(c) describe spin-spin coupling and coupling constant.

problem 6)(a) Describe the theory and applications of NMR spectroscopy.

(b) prepare briefly on:

(i) Franck-Condon principle.

(ii) Chemical shift.

problem 7)(a) What are the characteristics of primary standard in volumetric analysis?

(b) What is an acid-base filtration? describe the use of indicators in acid-base titrations.

(c) Describe how common-ion effect is helpful in inorganic qualitative analysis.

problem 8)(a) What are the advantages of precipitation from homogeneous medium?

(b) Discuss the following in detail:

(i) Co precipitation.

(ii) Colorimetric estimation.

problem 9) Discuss the principle and applications TLC.

problem 10) describe the principle and applications of column chromatography.

Physics, Academics

  • Category:- Physics
  • Reference No.:- M96929

Have any Question? 


Related Questions in Physics

Imagine fitting a mixture of ten gaussians to data in a

Imagine fitting a mixture of ten Gaussians to data in a twenty-dimensional space. Estimate the computational cost of implementing inferences for this model by enumeration of a grid of parameter values.

1 an n-type si crystal 1017nbspdonorcm3 contains

1. An n-type Si crystal (10 17  donor/cm 3 ) contains 10 15  Au/cm 3 . What are the low level and high level lifetimes of electrons and holes in this sample? 2. Use the analysis procedure and physical model of the therma ...

What material parameter values are necessary so that at

What material parameter values are necessary so that at V G  =0, AI/SiO 2 /Si MOSC has the condition of (a) flat-band, (b) intrinsic surface, (c) onset of strong inversion, and (d) in strong inversion with V S -= 2V F +4 ...

A a gas bottle contains 752times1023nbsphydrogen molecules

a.) A gas bottle contains 7.52×10 23  Hydrogen molecules at a temperature of 369 K. What is the thermal energy of the gas? (You might need to know Boltzmann's constant: k B  = 1.38×10 -23  J/K.)  b.) How much energy is s ...

In the aeration of wastewater liquid-gas contact systems

In the aeration of wastewater, liquid-gas contact systems are designed to raise the concentration toward equilibrium levels. This goal is accomplished by dispersing air bubbles into the water. An aqueous solution, initia ...

Identify the area of the united states that annually

Identify the area of the United States that annually experiences the most thunderstorms. Explain why?

Two soccer players kick a soccer ball back and forth along

Two soccer players kick a soccer ball back and forth along a straight line. The first player kicks the ball 16 m to the right to the second player. The second player kicks the ball to the left weakly; it only moves 1.7 m ...

Consider the device shown below that will be used to

Consider the device shown below that will be used to humidity an air stream. In the current process, air containing 1.0 mol% water vapor (species A) at 40°C and 1.0 atm enters the tube of 3.0 cm inner diameter at a veloc ...

Sio2nbspclusters are found to be excellent sink for

SiO 2  clusters are found to be excellent sink for metallic impurities in Si crystals. Experiments have shown that SiO 2 clusters can be formed inside Si owing to oxygen precipitation at defect (dangling bond) sites Curi ...

Wilke and hougan27nbspstudied the mass-transfer

Wilke and Hougan 27  studied the mass-transfer characteristics of packed beds containing granular solids. In their experimental investigations, hot air was blown through a packed bed of porous celite pellets saturated wi ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen