Contact Us
Sign In / Sign Up for FREE
Go to advanced search...

Chemistry - Assignment Example

Comments (0) Cite this document
Elements with atomic numbers of 110 and beyond have not yet been discovered. Which of the elements with atomic numbers in the range of 110 - 118 would have chemical properties most like those of thallium (Tl)? Explain why it is possible to make this kind of prediction.
Download full paperFile format: .doc, available for editing
GRAB THE BEST PAPER91.2% of users find it useful
Chemistry assignment
Read TextPreview

Extract of sample "Chemistry"

Download file to see previous pages Periodicity can be found in ionization energies and electronic affinities along the groups in the periodic table (Atkins). This prediction can be made because of arrangement of atoms on the basis of valence shell electrons in the periodic table.
In heteronuclear molecules, some atoms are more electronegative than others. The electron pair in a bond in such a molecule is shared unequally. The more electronegative atom attracts the shared electron pair, causing a polarity in the bond. The more electronegative atom has a partial negative charge, while the other atom has a partial positive charge. Molecules where the difference in electronegativities is low (0) are nonpolar, while those with greater differences are polar (see Figure 1). In molecules with very high electronegativity differences, the bonds are ionic as the electrons are with the electronegative atom (Atkins; ...Download file to see next pagesRead More
Cite this document
  • APA
  • MLA
(“Chemistry assignment Example | Topics and Well Written Essays - 750 words”, n.d.)
Chemistry assignment Example | Topics and Well Written Essays - 750 words. Retrieved from
(Chemistry Assignment Example | Topics and Well Written Essays - 750 Words)
Chemistry Assignment Example | Topics and Well Written Essays - 750 Words.
“Chemistry Assignment Example | Topics and Well Written Essays - 750 Words”, n.d.
  • Cited: 0 times
Comments (0)
Click to create a comment or rate a document

CHECK THESE SAMPLES OF Chemistry assignment

Clinical Chemistry Assignment: Case study and data interpretation

...?Case Study and Data Interpretation Question Plasma Osmolality is the amount of electrolyte water balance in the body. Sodium salts, glucose, and urea are the major causes of osmolality (Moritz ML, 2010). Most of the people confuse plasma osmolarity with plasma osmolality. The difference is the amount of measure used to quantify the amount of solutes in plasma. One litre of plasma osmolality is equivalent to 1 kilogram of plasma osmolarity. Osmolality in blood tend to increase with the body loss of water. For a normal person the antidiuretic hormone will be under stimulation if there is increased rate of osmolality. The presence of antidiuretic hormone leads to reabsorption of water. The urine excreted also becomes more... Study and Data...
3 Pages(750 words)Assignment

Discover the Universe of an Atom

...Week1 DQ A fire is started in a fireplace by striking a match and lighting crumpled paper under some logs. Describe all the energy transfers in the scenario. Answer: Match stick is made up of (wood+sulphur) that contain chemical energy Striking the match involves scratching the sulphur end on the rough surface thus producing friction hence kinetic, sound and heat energy are produced at this instance. The match stick lights hence produces light and heat energy that burns the crumpled papers and logs consecutively. Crumpled papers and logs contain chemical energy and while burning produces light and heat energy. Thus: Chemical energy kinetic energy heat energy sound energy light energy heat energy chemical energy... DQ A fire...
1 Pages(250 words)Essay

Chemistry Assignment

...Question a) has 4 protons and 11-4=7 neutrons, because it's neutral it has 4 electrons b) "hydrogen like beryllium ion has electron. Symbol for such ion is: c) i)En=-(13.6eV*z)/n, because z=4 it can be written as En=-16*13.6eV / n ii) the dependence of quatum numbers n upon l is given by the following formula l=n-1 2(2*l+1)=2* n iii) n=2 for beryllium, so l=1 and can not be 3 d) i) E1=-16*13.6eV / 1=-217.6eV E2=-16*13.6eV / 4= -54.4eV E3=-16*13.6eV / 9 = -3.067eV Eoo=-16*13.6eV/inf = 0 ii) iii) energy emitted by photon: |Einf- E2|= 0+54.4eV=54.4 eV= 54.4*1.6*10^-19 [J]=8,7*10^-18 [J] 8,7*10^-18 [J] now we should express photon's frequency from it' energy: E=h*f => f=E/h f= 8,7*10^-18 [J]/6.63... a) has 4...
1 Pages(250 words)Assignment

Chemistry Practical Assignment - Copper carbonate

...Chemistry Practical Assignment Introduction: Copper carbonate if heated will produce gas and by measuring the volume of gas, we can experimentally establish the correctness of both the equations provided to us. The important thing for finding the correct equation is that the volume of one mole of gas at NTP is 22.4 liter and using this equation we can back calculate the mole or mass of carbon dioxide formed from the copper carbonate used for the experiment (Determining the Correct Equation for the Decomposition of Copper Carbonate, 2003) and hence find out the correctness of the eauation provided. Equipment and Apparatus required for conducting the experiment: The following apparatuses are required to conduct the experiment...
4 Pages(1000 words)Lab Report


...ASSIGNMENT IN CHEMISTRY The following is a reversible reaction. CaCO3(s) CaO(s) +CO2(g) a. Write the reaction equation of the forward reaction: CaCO3 (s) CaO(s) + CO2(g) b. Write the reaction equation of the backward reaction: CaO(s) + CO2(g) CaCO3 (s) c. When is equilibrium reached in the above reaction Equilibrium is reached in the above reaction when the rate of the forward reaction is equal to the rate of the backward reaction. At equilibrium, [CaO(s)] [CO2(g)] / [CaCO3] = k' / k" = K. d. Draw and label the curves of the two reaction rates reaching equilibrium for the above reaction. The equilibrium system is balanced in terms of the forward and reverse reaction rates e. The overall rate...
4 Pages(1000 words)Essay

Formulae, Moles, Molarity

... containing unreacted NaOH was made up to 250 cm3 in a volumetric flask. 25 cm3 samples of this solution were titrated against 0.1 mol dm-3 hydrochloric acid using bromothymol blue as an indicator. HCl + NaOH  NaCl + H2O The mean titre was 20.0 cm3. Calculate the percentage of ammonium sulphate by mass in the lawn sand. From HCl + NaOH  NaCl + H2O, From (NH4) 2SO4 (s) + 2NaOH (aq)  2NH3 (g) + Na2SO4(aq) + 2H2O (1), Source: Brown, T., Bursten, B., Lemay, E. (2002). Chemistry: The central science. New York: Prentice Hall... FORMULAE & EQUATIONS Write formulae for the following compounds: a) magnesium chloride - d) sodium hydrogen carbonate -b) calcium carbonate - e) ammonium sulphate - c) potassium phosphate - f) barium ni...
6 Pages(1500 words)Assignment

Org chemistry drawing assignment

... Your Module Organic Chemistry Drawing Assignment Draw a chair cyclohexane ring and label of the substituents as axial or equatorial. Figure 1: Axial (a) and equatorial (e) positions in cyclohexane 2) Draw trans-1,2-dimethylcyclohexane and cis-1,2-dimethylcyclohexane as their most stable chair conformations. Label all non-favorable interactions, describe why they are unfavorable, and to what value (energy). Which is more stable, the trans or cis structure? Figure 2: cis and trans 1,2-dimethylcyclohexane. All non-favorable 1,3-diaxial interactions are presented in the figure above. Such interactions are unfavorable because both methyl groups and hydrogens try to occupy the same space, which leads to destabilization of the molecule...
4 Pages(1000 words)Coursework

Assignment (Chemistry subject)

... Assignment Chapter Molecular Reasons 14- What is the difference between a homogeneous and a mixture and a heterogeneous mixture? Give one example of each Answer: Mixture: This is a mixture of two or more pure substance combined to form a mixture. It can consist of Matter having variable composition with definite or varying properties and can be separated into component elements or compounds. Example include carbonated soda, coarse mixture of sea water or even mixture of air that contain nitrogen, oxygen, carbon dioxide and many others. Homogeneous Mixture: They possess uniform composition and look. They include salt and water, soda, metallic alloys. Heterogeneous Mixture: They do not have uniform composition such as coarse sand and iron...
2 Pages(500 words)Assignment

Chemistry assignment

... Advanced biochemistry ll Response to question The anaerobiosis needs the NAD+ regeneration from NADH so as to allow the continuation of glycolysis. Part a Figure 1 shows the fate of the glucose carbon atoms. C-1 (or C-6) becomes C-3 of a glyceraldeldehyde 3-phosphate and pyruvate subsequently. If the decarboxylation of the pyruvate occurs and ethanol is reduced, C-3 would be the C-2 of ethanol given by CH3-CH2-OH. Figure 1. O14 CO + Part b For all the conversion of all the labeled atoms of carbon to 14CO2 from glucose during the fermentation of ethanol, the original label has to be placed on C-3 or C-4 of the glucose as these are changed to the pyruvate carboxyl group. Response to question 2. The fermentation of ethanol in yeast...
2 Pages(500 words)Assignment

Analytical chemistry assignment 12 questions

...ANALYTICAL CHEMISTRY ASSIGNMENT due Explain the problems encounter when making chemical measurements, define the terms analyte, matrix and interferent (5 Marks). Some of the problems encountered when making chemical measurements include the complexity of the measuring equipment and the expertise of the personnel. Some procedures may not produce reliable results without complicated measuring equipment while others may require highly trained staff to perform the procedures. An analyte can be defined as the substance or component that is of interest in a chemical analysis procedure. It is the chemical constituent that is being measured. A matrix, on the other hand, can be defined as the chemical components of a substance that are not being...
5 Pages(1250 words)Essay

Corporations Assignment

...Corporations Assignment Ans According to Section 588G of the Corporations Act of 2001, when a Company is in a of insolvency which has resulted due to debts, then the liability for those debts will be attached to the Director/s of the Company1. Similarly, Section 588V of the Corporations Act specifically pertains to the liability of holding companies for the debts incurred by their subsidiary companies that have led to insolvency. Thus both these sections attempt to pin the responsibility for corporate mismanagement leading to insolvency upon the Directors (on the basis of fiduciary duty) or upon the holding Company itself. Therefore these sections in effect, lift the corporate veil. These Sections are opposed to the principle laid out...
9 Pages(2250 words)Assignment

UN Convention on the Assignment of Receivables

The basic structures of the UN law for receivables have influenced domestic law reforms, regional projects of harmonization of law such as Directives of the European Community, and international projects of unification such as the Principles for International Commercial Contracts of 1994/2004, promulgated by the Institute for the Unification of Private Law in Rome.
It, most likely, is the uniform law convention with the greatest influence on the law of worldwide trans-border commerce, and in some countries, lawyers and courts are today as familiar with the Convention as they are with their domestic law - it is the lingua franca of sales.
Part of the success is or might be due to the simple requirements of the application...
14 Pages(3500 words)Assignment

Fire safety: Design Assignment

...Fire safety - Design Assignment 0.Introduction This report provides a guidance for fire safety aspects that has to be followed in the designof Mr. and Mrs. Jones’s new house. Being the fire safety advisor for Mr. and Mrs. Jones , I intend to provide the fire safety standards according to modern Building Regulations , demanded by the building planning authorities. This fire safety report details the type of fire safety facilities that are planned to be incorporated in this house along with their specifications. This report has been prepared based on the guidance laid by Approved Document B ( Fire Safety ) – Volume 1 : Dwelling Houses ( 2006 ) edition. The report provides a combination of the aspects related to provisions for warning...
7 Pages(1750 words)Assignment

MQP Markiting assignment

...Running Head: report Strategic marketing plan for Buxton Water of the of the of the Introduction Strategic marketing starts with strategic analysis of company’s competencies, vision and competitors in the market. Strategic marketing plan for Buxton water also builds upon these fundamentals before framing its promotional, pricing and communication strategies. Because bottled water industry is continuously on rise, it becomes imperative to first define the mission of Buxton water. Following the vision and mission is the present market condition of Buxton, based on which are the marketing strategies and tactics. These marketing strategies will depend upon the current demand, rivals in the market, present customer perception... Head: report...
6 Pages(1500 words)Assignment

Job Package Assignment

...A. Job Advertisement: https Company Profile: Starbucks used to be known for its taken from the classic novel Moby Dick. Founded in 1970, Howard Schultz joined the company and incorporated the cozy ambiance of Italy’s espresso bars, making Starbucks a phenomenon in the coffee industry. The company has almost 15,000 stores in 40 countries. (Starbucks, 2003) It prides itself in providing customers roasted coffee and a place to relax and catch up, instead of fast-food type service. A Starbucks store typically offers drinks such as bottled drinks, brewed coffee, icy-cold coffee, chocolate and espresso beverages, smoothies and teas. Bakery products, sandwiches, ice cream, yogurt... Job...
6 Pages(1500 words)Essay

Assignment 4

...Digital World Picture relating to the assignment own Digital World Introduction During the ancient times, the term digital referred to as the use of terms and numbers emanating from the digit or finger (Gere, P-7). But over the recent times, the term digital means more than just digits. The term has recently been used to refer to computers and to electronic technology used to process and store data in both positive and non-positive state (Gere, P-7). There are several contributors of digital world among them include; Steve Jobs and even academicians such as Sherry Turkle (Tapscott, Don, Alex and David.167-175). Turkle used the Rorschach metaphor to show the relationship between people... World Picture relating to the assignment own Digital Wor...
7 Pages(1750 words)Essay

Assignment 2

...Assignment 2 Assignment 2 Question a) Consider a firm in a perfectly competitive market whose marginal cost (MC) is described by MC = 2q, where q denotes the output of the firm. Suppose that the firm produces 10 units of output in the long-run equilibrium. (i) Find the long-run equilibrium price for this market, explaining your reasoning. Answer (i) The long run equilibrium price for this competitive market occurs at the condition when; So first we will determine the marginal cost of the market from given conditions; Also, Therefore, So the long run equilibrium price is £20. (ii) Calculate the total cost incurred by this firm in the long-run equilibrium. Answer (ii) Since the average total cost of a firm operating in perfect competition...
7 Pages(1750 words)Essay

Writing assignment

During the career a parole agent got the opportunity to conduct many interviews of the prisoners and every interview give him a different type of experience. The essay aims to present the process of taking interview of a prisoner as a parole agent.
The parole agents are required to ask different types of questions from the prisoners to get detailed information about the case and incident due to which they have been imprisoned. The interview decides the eligibility of the prisoner to get the parole and sometimes the interview also ends up with the identification of new aspects of the case. I was also ordered to take interview of a prisoner and for this I made my plan to conduct the interview with the prisoner and scheduled it w...
7 Pages(1750 words)Essay


...MARKETS, S AND MARKETING ~ Assignment Table of Contents Introduction 3 SOSTAC Marketing Plan 4 Situation Analysis 5 Objectives 7 Strategy 7 STP 8 Ansoff’s Matrix 9 Tactics 10 Product 10 Place 11 Promotion 12 Price 14 Process 14 People 15 Physical Evidence 15 Action 15 Control 17 Estimation of Revenue/Customer Gains 18 Economic Perspective 20 Opportunity Cost 20 Production Possibility frontier model 21 Elasticity of demand 21 Type of competition 22 Inspiration from Marketing Management 23 Summary 25 Reference 26 Introduction The era of 21st century is an era of fast changing working environments, where new rules and working conditions in the developing as well as the developed world demands high productivity from the employees from all...
22 Pages(5500 words)Essay

Features of Journal Assignment

... and Academic Development: Current Theories and Controversies.” Journal of the American Society for Information Science and Technology. 62.8. (2011): 1435-1445. “Social Network Impact.” N.d. Web. 4 May 2015. . Journal 3 Reflection The journal assignments have had a remarkable effect on my writing and thinking during this semester. Before this semester, I was not an expert writer. I did not even have organized thinking. While thinking to write about a topic, I would get all sorts of information from all of the sources and brainstorm myself so much that I would myself get confused on what to include in the topic and what to leave. I did not have...
6 Pages(1500 words)Essay
sponsored ads
We use cookies to create the best experience for you. Keep on browsing if you are OK with that, or find out how to manage cookies.

Let us find you another Assignment on topic Chemistry assignment for FREE!

Contact Us