PAGE NO.121(CHAPTER-9 CHEMISTRY PRACTICALS) Q4.How would you distinguish between the following: a)Calcium nitrate and lead nitrate using ammonium hydroxide Ans: Add ammonium hydroxide to the given substance‚ calcium nitrate does not form any ppt. with ammonium hydroxide. But lead nitrate forms chalky white ppt. With ammonium hydroxide b)Calcium nitrate and lead nitrate using sodium hydroxide solution Ans: Add sodium hydroxide to the given substance‚ Calcium nitrate forms milky white ppt
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Investigations Incident Causation Not Just for Fatalities Objectives • Familiarize with incident causation • Apply root cause analysis Heinrich Domino Theory Management / Root Cause • Management Structure objectives organization operations Operational Error Manager behavior/Supervisor behavior Tactical Error unsafe acts unsafe conditions LCU Theory • Accident probability is situational • Overload taxes person’s capacity • Leads to accidents (or illness) • >300 → 79% in 2 yrs • >200 → 51%
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/name /When I...have mangled it?‚” continuing to scold herself for doubting Romeo (3.2.99-101). Although Juliet does feel ashamed for being skeptical of Romeo‚ Juliet says‚ “wherefore‚ villain‚ didst thou kill my cousin?‚” still trying to understand why Romeo would do such a thing to put not only their love‚ but also their lives in danger (3.2.102). Seeking to justify her mistake‚ Juliet says‚ “That villain cousin would have killed my husband‚” reasoning with herself that the evil Tybalt had attempted
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CORRELATION & LINEAR REGRESSION Prof. Jemabel Gonzaga-Sidayen Spearman rank order correlation coefficient rho (rs) • Spearman rho is really a linear correlation coefficient applied to data that meet the requirements of ordinal scaling • Formula: rs = 1 - 6 Σ D i 2 N3 - N – Di = difference between the ith pair of ranks – R(Xi) = rank of the ith X score – R(Yi) = rank of the ith Y score – N = number of pairs of ranks Try this Subject Proportion of Similar Attitudes (X) Attraction (Y) Rank of
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Guns and crime. These two seem to correlate hand in hand with one another‚ but are they really associated in anyway? Do guns lead to crime? These are the questions citizens and lawmakers have to ask themselves when creating gun laws or restrictions. The debate over gun control is not a new topic it has been going on for a very long time and continues to go on today. Some are against bearing arms and call for reforms and bans on firearms; there are great uses for guns such as self-defense‚ recreational
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Being nervous is a normal phenomenon prior to taking a test. The degree of nervousness however may be correlated to how prepared someone is for their exam. I personally felt nervous and stressed throughout the 2 or 3 days leading up to the day I took my practical. I was even more nervous as I was standing behind the door‚ prior to walking in to be examined. The anticipation alone can increase the stress levels. However‚ as soon as I entered the lab I started taking deep breaths to decrease my heart
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The purpose of this paper is to provide a response to a scenario by running a correlation and regression analysis for a statistics class assignment. The assignment provides a scenario with two part‚ pursuing ways to develop and maintain online and blended programs (Szapkiw‚ 2014‚ p. 2). This assignment required the use of SPSS to “choose the appropriate tests . . . run the tests and analyze the data” (Szapkiw‚ 2014‚ p. 14). Structure This assignment has two aspects and seven sections for the
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Di 3a) What distinguishes a developing country from a developed country (10mks) ADVICE: All the indicators are examined here with supporting statistics. There won’t be time to include statistics for all the indicators‚ so you’ll include those that you most easily remember). Countries can be classified as developed or developing according to the value of the gross national product (GNP) per capita. A developing country can be distinguished from a developed country by examining
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Background Is being physically strong still important in today’s workplace? In our current high-tech world one might be inclined to think that only skills required for computer work such as reading‚ reasoning‚ abstract thinking‚ etc. are important for performing well in many of today’s jobs. There are still‚ however‚ a number of very important jobs that require‚ in addition to cognitive skills‚ a significant amount of strength to be able to perform at a high level. Take‚ for example‚ the job
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DISTINGUISH BETWEEN A NATION AND A STATE AND EXPLAIN WHY THE TWO ARE OFTEN CONFUSED. (15) A nation is a grouping of people who consider themselves to have similar circumstances of cultural‚ political‚ same language‚ religion‚ traditions and so on. However‚ as no nation is culturally homogeneous‚ nations are ultimately defined subjectively by their members through the existence of patriotism or national consciousness. There are two types of nations‚ one being political and the other cultural. A
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