Amount of Water Colin Lee Dr.Cooper Chemistry 12 Introduction: Alka-seltzer contains three active ingredients‚ aspirin‚ sodium hydrogen carbonate and citric acid. It is used for headaches‚ migraines‚ and cold and flu symptoms. Alka-Seltzer is usually taken when dissolved in a glass of water. When placed in water a series of chemical reactions result into Sodium citrate and Sodium acetylsalicylate. The sodium citrate would act as the antacid for stomach pains‚ and the sodium acetylsalicylate
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interpret this is that at a constant pressure‚ volume and temperature are directly proportional. Materials Lab quest Vernier gas pressure sensor Temperature probe 20 mL gas syringe 125 mL Erlenmeyer flask 3 600mL beakers hot plate Dry ice rubber stopper with 2-way valve Procedure and observations (Part 1) The first thing we did in this experiment was measure pressure and volume. To do this we used the lab quest and syringe. You attach the syringe to the valve of the gas pressure sensor. We pick a volume
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Chapter 3‚4‚4 Monte Reynolds What effect do each of the following have on the demand for small automobiles such as the mini cooper and smart car? A Demand increases B Demand increases C Demand decreases D Demand decreases E Demand Increases Question 6 What effect will each of the following have on the supply of auto tires? A Advances in technology should increase the supply B A decline in the number of firms in the tire industry will decrease supply C Increase in the price of rubber will make supplies
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13/22 Grade 59.09 out of a maximum of 100 (59%) Questions 1 through 4 are based on Lab Exercise #1: Time Lag. Marks: Record your answer from Lab Exercise #1‚ Step 1‚ Question 1. What time in 1 hours:minutes:seconds GMT did the P waves arrive? Choose one answer. a. 01:48:00 b. 01:49:00 c. 01:50:00 d. 01:51:00 Correct Marks for this submission: 1/1. 2 Marks: 1 Record your answer from Lab Exercise #1‚ Step 1‚ Question 2. What time in hours:minutes:seconds GMT did
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Mechatronics II Lab #4 – Velocity and Position Control of a Servomotor Submitted By: ____________________________________________________________ Introduction: This report covers the methods‚ procedures and results of lab #4. During this lab‚ an understanding of the velocity and position control of a servomotor was developed. Matlab-Simulink was used to represent the transfer functions used during this lab. Results: This section of the report goes over the results of the lab questions‚ including
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The inverted water method MLA citation BBC News. BBC‚ n.d. Web. 09 Nov. 2015. "Factors Affecting Enzyme Activity." Factors Affecting Enzyme Activity. N.p.‚ n.d. Web. 14 Nov. 2015. Enzymes. Scenario experiment AIM: To investigate one factor that affect the distribution of hydrogen peroxide by the catalase in this organism. In this catalase and hydrogen peroxide experiment‚ we will find out how enzymes act as catalysts by causing chemical reactions to occur. Using a potato and hydrogen peroxide
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Bio 225 Chapter 4 Practice Questions 1. Which of the following is not a distinguishing characteristic of prokaryotic cells? a. Their DNA is not associated with histones. b. They have cell walls containing peptidoglycan. c. They lack membrane-enclosed organelles. d. Their DNA is not enclosed within a membrane. e. None of the above. 2. Which of the following is not true about a gram-positive cell wall? a. It contains teichoic acids. b. It protects the cell in a hypertonic environment
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4.1 Organisational chart Managing Director ( Andrea Anthony ) Sales Executive ( Nur Amirah Masrih ) Management ( Rafedah Hassan ) Account Executive ( Andrea Anthony ) Production ( Nur Azlin Razal ) Financial Administration ( Hasmie Abdul Rahman ) Sales ( Nur Amirah Masrih ) Marketing ( Nur Azlin Razal ) 4.2 Human Resources Planning ( list of employees and position ) Position | Number of Staff | Managing Director | 1 | Account Executive
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Review Questions pgs. 124-125‚ #1-23 (odd) 1. b 3. c 5. Wien’s law explains that objects of different temperatures emit spectra that peak at different wavelengths. Hotter objects emit shorter wavelengths‚ thus appearing bluer‚ whilst colder objects emit longer wavelengths‚ appearing redder. A star’s surface temperature can be deciphered using this method by seeing its color and surmising the amount of heat it’s giving off. 7. Wien’s law states that the peak of the emission spectrum
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Exercise 4.1.1 Because those same standards define how communication between different hardware and software involved‚ will take place. 4.1.2 The difference is between signal circuits and power circuits. Signal circuits operate at extremely low current levels and use digital logic voltage levels. Power circuits on the other hand require larger amounts of current to operate electrical devices such as motors‚ heating units 4.1.3 A very common application is the health care field. Shielded copper cable
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