Analytical Chemistry Spring 2014 September 2nd‚ 2014 Pre-Lab 1: Calibration of Volumetric Glassware Objective: The sole objective of this lab is to become acquainted with the scientific techniques that are utilized in this lab including: data analysis‚ analytical balance‚ and use of glassware and lab materials. To demonstrate these basic concepts‚ a 50 mL buret and 10 mL volumetric flask will be calibrated. Apparatus: Procedure and Equipment: The following equipment
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Determination of the Enthalpy for Decomposition of Hydrogen Peroxide Objective: To construct a coffee cup calorimeter‚ measure its calorimeter constant‚ and determine the enthalpy of decomposition and formation of hydrogen peroxide. Background: This experiment is a classic thermodynamics lab. In it‚ we attempt to measure the enthalpy (H) of a chemical reaction. The main obstacle is that this is a quantity that cannot be measured directly. It instead is observed as heat from one substance is transferred
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The reaction order‚ based on the rate law‚ was first order with respect to crystal violet and second order with respect to OH-. The rate law was as follows: Rate law = k [CV]1[OH-]1 where k equaled 2.61. In order to determine the reaction order with respect to crystal violet‚ the graph that described the relationship between ln[CV] and time (seconds) was Figure 2. Not only did Figure 2 generate a more linear relationship‚ but it had the highest R2 value of 0.992 than ([CV] versus time) and ([1/CV]
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From the experimental data and through its analysis‚ the enthalpy of combustion for the five alcohols were determined; methanol‚ ethanol‚ propanol‚ butanol‚ and pentanol. As the line of best fit in the graph suggests‚ the enthalpy of combustion increased as the sizes of the molecules increased. This was predicted in the hypothesis and proves it to be correct. As seen on the graph‚ the enthalpy of combustion increases from 140kJ/mol for methanol‚ which has the smallest molecular mass‚ to 530kJ/mol
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Hess Law Lab DESIGN Aspect 1: Problem: What is the molar enthalpy of formation of magnesium oxide? Variables: Manipulated: None Responding: None Controlled: Isolation of calorimeter‚ concentrations of substances involved. Aspect 2: Background Information: Assumptions: Specific heat capacity of water‚ we assume that the acid has the same qualities as water including heat capacity‚ and we assume the enthalpy of formation for magnesium oxide from the data booklet for theoretical
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A brief introduction of People’s Republic of China’s Tort Law Student Name: QIAN‚Xin Group: MLM09-01 Student Number:0892439 Table of Contents Background The Tort Liability Law of the People’s Republic of China (‘Tort Law’) which was passed on December 29‚ 2009‚ came into effect since July 1‚ 2010. It is believed that more and more public affairs could damage civil benefits as a result of the rapid development in china’s economy and society. As the response
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------------------------------------------------- REACTION PAPER Nursing Laws and Ethics As nursing profession continuously progresses in its quest for excellence‚ its nature becomes complex in the light of meeting the standards set forth by the implementing bodies in nursing profession. These standards are indeed the result of careful assessment and observation made to resolve the never ending issues and concerns pertaining to the legal responsibilities and ethical obligations of nurses.
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Reaction Paper about Martial Law On September 21‚ 1972‚ President Ferdinand E. Marcos placed the Philippines under Martial Law. The declaration issued under Proclamation 1081 suspended the civil rights and imposed military authority in the country. Marcos defended the declaration stressing the need for extra powers to quell the rising wave of violence allegedly caused by communists. As I watched the 11 clips of Martial Law‚ different feelings showed up in me. At first‚ knowing that a bright Filipino
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filed and was denied unemployment compensation because she was terminated due to “misconduct”. Issue: The issue is that Miss Attired’s refusal to remove her tattoo does this constitute as “misconduct” under the New Mexico Statute § 51-1-7. Rule of Law: N.M. Stat. Ann. § 51-1-7 does not have a definition for misconduct so they adopted the definition for misconduct under Mitchell v. Lovington Good Samaritan Center. INC.‚ 89 N.M. 575‚ 577‚ 555 P.2d 696‚ 698 (1976) “Misconduct is limited to conduct
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own role is a legal obligation on me requiring me to adhere to a reasonable standard of care while performing acts of care. 1.2 I have a legal and professional duty of care. If I was to neglect someone and this caused them harm then a court of law could find me negligent and stop me working in care or impose sanctions on me and this is how duty of care contributes to safeguarding individuals. 2.1 There are a few potential dilemmas that can arise in care work for example individual’s rights
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