Unknown 2 Scheme “ Fair game” ions Cations: Na+‚ K+‚ NH4+ ‚ Ca2+‚ Mg(OH2)62+ ‚ Al(OH2)63+ Anions: SO42-‚ HSO4-‚ NO3-‚ OH-‚ Cl-‚ CO32-‚ HCO3- Insoluble Compounds: Ca(OH)2‚ CaSO4•2H2O‚ CaCO3‚ MgCO3‚ Mg(OH)2 I. Describe Sample a. Quick description of sample. Ex: Phase‚ color‚ odor‚ crystalline‚ amorphous‚ gel-like‚ powdery‚ etc. II. Flame Test a. Part 1 i. Orange Flame: Na+ is present. K+ ‚ NH4+ ‚ Ca2+‚ Mg(OH2)62 ‚ Al(OH2)63+ may also be present. ii. Purple Flame: K+ is present (no Na+
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Materials Small objects‚ such as pennies‚ pop-it beads‚ paper clips‚ bingo chips‚ etc.‚ 60 Beakers or other large containers‚ 2 Safety Precautions Although this activity is considered nonhazardous‚ observe all normal laboratory safety guidelines. Overview of the Activity 1. Each member of the group chooses a defined role: (a) reactant‚ (b) product‚ (c) monitor‚ and (d) recorder. 2. Obtain a counted set of 60 small pennies. These will be used to represent reactants and products in a chemical reaction
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SCI203 Phase 2 Lab Report SPECIATION Sharon Patton June 1‚ 2015 Colorado Technical University Purpose The purpose of this lab is to explain what would happen if a species were split into two groups by an earthquake‚ creating a physical barrier between the two groups. Showing how the formation of a new species can evolve. Introduction Speciation is when a species is created from the splitting of a species. In other words if a group of a certain species is separated say by an earthquake
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differential voltage at zero. The output of the op-amp will be the product of input voltage and the gain set by the feedback. A commonly used op-amp is A741 with the pin diagram and symbol as shown below: 1 – Offset null 1 5 – Offset null 2 2 – Inverting input 6 – Output 3 – Non-inverting input 7 – Positive DC supply 4 – Negative DC Supply 8 – Not connected OVERVIEW Part A: Measurement of offset parameters The circuit configuration was constructed as shown in Figure 1‚ which VCC
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Unit 2 Research Paper 1: Experiment A problem that I think needs to be solved is traffic lights causing the back up of traffic. Traffic lights cause a delay in traffic and cause for traffic back up. It causes everyone to be late when there is no need for it. From personal experience I have been late of several occasions due to backed up traffic because of traffic lights. There are certain spots where traffic lights are not needed and they are only backing up traffic more than needed. Traffic lights
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t Actions * Flexion: decrease in joint angle from anatomical postion (bend elbow‚ flexing forearm) * Extension: return to anatomical position from flexion * Abduction: away from body * Adduction: return of body to anatomical position * Rotation: circular * Lateral: anterior surface to lateral side * Medial: anterior surface to medial side * Circumduction: conical shape * Protraction: horizontal movement in anterior direction (jaw forward) * Retraction:
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to break it down the cell will die‚ along with the organism itself. However with the aid of an enzyme‚ catalase‚ hydrogen peroxide is able to be broken down into an intermediate and thereafter harmless substances water and oxygen. The goal of this lab is to measure the reaction rate of this process in different substances such as a liver‚ a vegetable‚ and breast tissue. By using variables such a pH and temperature we are able to how the rate of reaction is altered or improved. If it has improved
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creating Groups and adding Users to Groups? By creating groups you can get people access to the information that they need to get to. When a user is created and added to a group that user then has the access permissions of the group that has been made. 2. Given a scenereo where there are 5 database admins that may periodically need access to a given system. Discuss a better concept to better manage the admins access permissions. Break down admin responsabilities and only give them the access for what
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Who sang at the Grammy’s in Spanish in the late 1990s? What was the reaction? Ricky Martin shocked the audience by singing in Spanish at the 1990’s Grammy Awards. Eventually‚ the audience gave Martin a standing ovation for his brilliant song. 2. When did Latin music burst back on the scene? What song brought it back to the mainstream? What effect did it have? Latin music came back onto the scene 15 years before Ricky Martin’s performance with Gloria Estefan’s “Conga”. It gave
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LearnName_SalesProgram.ps1 which will do the following. Allow the sales clerk to the following at the console: 1. Enter the book title –data type string a. If the user enters a null string‚ the program should beep and redisplay the needed value 2. Enter a one sentence description of the book -- data type string 3. Enter the book’s ID number. Code numbers are alpha-numeric (e.g. ROM482‚SCI233‚BUS400) a. If the user enters a numeric value‚ the program should prompt for alphanumeric 4. Enter
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