Worksheet - Acids‚ Bases and Salts 1. I am pure water. When heated my pH (increases‚ decreases)‚ because more of my water molecules dissociate. 2. I am a 0.020 M solution of weak acid‚ HA. If I only dissociate to the extent of 1.50%‚ what is the value of my Ka? 3. I am a 0.20 M solution of hydrocyanic acid‚ HCN‚ with a Ka of 4.93 x 10¯ 10 . What is my pH? 4. I am a buffer made from 0.10 M acetic acid and 0.15 M sodium acetate. If the Ka for acetic acid is 1.77 x 10¯ 5 ‚ what is my pH? 5. I am
Premium Acid Acid dissociation constant Acetic acid
What is the care value base? The care value base is a range of standards for health and social care. It is designed to guide the practice of professionals working in this area. The aim of the standards is to improve clients’ quality of life‚ by ensuring that each person gets the care that is most appropriate for them as an individual. The care value base offers guidance‚ and sets standards‚ in three main areas of health and social care: ➢ Fostering equality and diversity ➢ Fostering people’s
Premium Discrimination Individual rights Rights
Perception and Attention People will perceive the world not in the same way. For example‚ two people may look at a cloud‚ and they both may say they see two different things. One may say they see a rabbit whereas the other person may say they see a dog. Perception aids in a persons information process. Attention aids the impact of information in a person ’s long-term memory (Robinson Riegler & Robinson-Riegler‚ 2008). This paper will define the concept of perception and the perceptual organizational
Premium Perception Psychology Sense
Anna Powell 2nd I.Title: Acid-Base Titrations AP Chemistry Laboratory #6 II.Purpose: The purpose of this experiment is to standardize a sodium hydroxide solution and use the standard solution to titrate an unknown solid acid. The equivalent mass of the solid acid will be determined from the volume of sodium hydroxide added at the equivalence point. The equilibrium constant‚ Ks‚ of the solid acid will be calculated from the titration curve obtained by plotting the pH of the solution versus
Premium Sodium hydroxide PH Acid
Case Study 1 Self - perception Project 4 Case Study 2 1.Describe your perception of the situation: This situation has the potential to be awkward‚ but it is certainly salvageable. I think that mentioning Toya’s high level of responsibility and her ability to be a “self-starter” was a very good opening to this conversation about her first few weeks on the job. Making an interrogative statement about‚ “how Toya could improve her work” was a bit of a mistake in my opinion. It put Toya
Premium Management Marketing Education
Perception checking Synchronizing our perceptions Have you ever asked yourself “do I have a good communication skills”?. Some people don’t have a good communication skill because they don’t get involved with people in the communities a lot‚ but other do because they want to build up the relationship and understand how people react. The perceptional process is consider for people to create varieties of things or situations. For example‚ when I
Premium Communication Perception Graphic communication
UFOs‚ Underground Bases‚ and Government cover-ups Julian Mercado October 1‚ 2010 UFO‚ Underground Bases‚ and Government cover-ups Introduction UFOs have been seen by people all over the world. People of different cultures and ethnicities have different names for these unknown craft. In Spanish it is “objeto volante no identificado”‚ and in German it is actually UFO. Regardless of what race you are‚ UFO means the same thing‚ “Unidentified flying Object”. Let me be clear on this. It means
Premium Unidentified flying object
Introduction 1 2. What is base 5 number 1 3. How to read a Multiplication TABLE 2 4. How to read an Addition TABLE 3 5. Process of multiplying two base 5 number 3 APPENDIX A: LIST OF FIGURES 6 APPENDIX B: REFERENCE PAGE 6 ii PREFACE Thanks the help of my professor Nancy Acemian and the students who contribute their ideas when I write this instruction. Wenjun zhu February 2008 iii 1. Introduction In reality‚ people use base 10 numbers quite often
Free Multiplication Elementary arithmetic Addition
day and there have been no distractions then things make sense. On the other hand the daily concerns which are presented in general may cause my sense to be altered therefore things that would make sense are distorted and challenged. Our sensual perception (using sight as an example) can deceive our brain in three major ways: limited biologically‚ we see the superficial; corralled by custom‚ we see the habitual; and blinded by language‚ we see the general. Provide at least three reasons for believing
Free Sense Perception Cognition
Social and biological factors have a large impact on individuals by triggering specific behaviors. These factors have a social effect‚ where changes occur depending on the people that surround them‚ and biological effects‚ which depend on their genetics‚ hormones‚ etc. Body weight‚ is the weight of a persons body. Biologically‚ the weight of a person may be based on their genetics‚ depending on their parent’s traits that were passed down to them. Such as a kid‚ that is a newborn to two
Premium Social influence Alcoholic beverage Sociology