Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Chemistry Expert

problem1) Answer all the problems:

i) Describe structure of biborance B2H6, and types of bond present.

ii) Describe the composition of fresh air and give the detail of main air polluting gases.

iii) describe Pearson’s HSAB concept?

iv) Describe silicons with the structure of three silicons.

v) Give two preparation methods of Aryl halides.

problem2) describe paramagnatism, diamagnetism, ferromagnetism and antiferromagnetism with appropriate diagrams and exs.

problem3) prepare down the formulae for the mononuclear carbonycs formed by V, Cr, Fe and Ni.

problem4) prepare brief notes on the following :

(a) Radioactive pollution and exs from 20th century radioactive pollution in world.

(b) Soil pollution and effect on agriculture.

Chemistry, Academics

  • Category:- Chemistry
  • Reference No.:- M94106

Have any Question? 


Related Questions in Chemistry

At 518degc the rate of decomposition of a sample of gaseous

At 518°C, the rate of decomposition of a sample of gaseous acetaldehyde, initially at a pressure of 363 Torr, was 1.07 Torr s-1 when 5.0% had reacted and 0.76 Torr s-1 when 20.0% had reacted. If the reaction rate is prop ...

A 15-gram sample of neon is placed in a sealed container

A 15-gram sample of neon is placed in a sealed container with a constant volume of 8.5 liters. If the temperature of the container is 27ºC, which of the following expressions gives the correct pressure of gas? The ideal ...

In the reaction of meso-stilbene dibromide koh and

In the reaction of meso-stilbene dibromide, KOH and triethylene glycol and heat, if the KOH has a purity of 85% and the remainder is water; why did the mixture appear to boil?

1 the general public often expects solutions to our

1. The general public often expects solutions to our environmental issues that have zero risk. Explain in less than 200 words whether this is possible, supporting your answer with a thoughtful discussion of what risk is ...

What is the molarity of 200 l naoh solution prepared from

What is the molarity of 2.00 L NaOH Solution prepared from the dilution of 50.00 mL of 19.1 M NaOH?

You are provided with 200ml of 05moll-1 hydrochloric acid

You are provided with 200ml of 0.5molL-1 hydrochloric acid in which has been dissolved in a small quantity of anhydrous sodium carbonate. When titrated, 25ml of this solution requires 20.5ml of 0.5molL-1 sodium hydroxide ...

Calculate the molality of a solution prepared by dissolving

Calculate the molality of a solution prepared by dissolving 4.75g of C10H8 in 75.0 mL of C6H6 (l) of density, 0.879g/mL.

At a particular location in a countercurrent stripper for

At a particular location in a countercurrent stripper for the removal of solute A from a liquid stream, the mole fraction of the transferring species A in the bulk gas phase is 0.01, and the mole fraction of solute A in ...

Case studythe purpose of this assignment is for you to

Case Study The purpose of this assignment is for you to apply the concepts and information you learned in this unit about combustion products. Also, this assignment provides you with the opportunity to use your skills, e ...

Calculate the increase in the boiling point deltat for a

Calculate the increase in the boiling point, ΔT, for a 1.87 m solution of sucrose (dissolves as a molecule) in water.

  • 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

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

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